Product Information

SY55859LMG-TR

Product Image X-ON

Analog & Digital Crosspoint ICs
Manufacturer: Microchip


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From 18.4457

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SY55859LMG-TR
Microchip

1 : $ 23.2857
25 : $ 20.28
100 : $ 18.4457

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Manufacturer
Microchip
Product Category
Analog & Digital Crosspoint ICs
RoHS - XON
Y Icon ROHS
Configuration
2 X 2
Package / Case
MLF-32
Data Rate
2.7 Gb/S
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
Maximum Operating Temperature
+85 C
Minimum Operating Temperature
- 40 C
Product
Digital Crosspoint Switches
Packaging
Reel
Input Type
Cml, Lvpecl, Ttl
Output Type
Cml
Supply Type
Single
Brand
Microchip Technology / Micrel
Mounting Style
Smd/Smt
Operating Supply Voltage
3.3 V
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SY55859L 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch General Description TM The SY55859L is a dual CML 2x2 crosspoint switch SuperLite optimized for high-speed data and/or clock applications Features (up to 3.2Gbps or 2.7GHz) where low jitter and skew are critical. This device is pin-for-pin, plug-in compatible to the ? Pin-for-pin, plug-in compatible to the MAX3840 MAX3840. Each 2x2 of the SY55859L routes any input to ? Supply voltage operation: +3.3V?10% any output, and thus can distribute or multiplex a clock or ? Low Jitter: data stream. The I/O architecture is fully differential and -2ps random jitter RMS CML compatible. Both inputs and outputs are optimized for -5ps deterministic jitter PP 50 transmission lines. The inputs (DA 0-1 and DB 0-1) ? Power saving output disable feature are internally terminated with 50, thus eliminating ? 15ps channel-to-channel skew external termination, and the outputs (QA0-1 and QB0-1) include 50 source termination. Furthermore, a power- ? Fast CML outputs: <100ps t /t r f saving output enable feature is provided which powers- ? Available in a small (5mm x 5mm) 32-pin EPAD-QFN down unused outputs. package The SY5859L operates from a +3.3V ?10% supply, and is guaranteed over the industrial (?40?C to +85?C) Applications temperature range. It is available in a 32-pin (5mm x 5mm) QFN package. ? SONET/SDH optical transport For applications that require either lower voltage operation ? High-speed backplane redundancy or a more flexible input interface (for applications such as ? Add-drop multiplexers AC?coupled LVPECL inputs), consider the SY55858U. Data sheets and support documentation can be found on Micrel?s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Applications Typical Performance SuperLite is a trademark of Micrel, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-012110-A January 2010 hbwhelp@micrel.com or (408) 955-1690 SY55859L 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch General Description TM The SY55859L is a dual CML 2x2 crosspoint switch SuperLite optimized for high-speed data and/or clock applications Features (up to 3.2Gbps or 2.7GHz) where low jitter and skew are critical. This device is pin-for-pin, plug-in compatible to the ? Pin-for-pin, plug-in compatible to the MAX3840 MAX3840. Each 2x2 of the SY55859L routes any input to ? Supply voltage operation: +3.3V?10% any output, and thus can distribute or multiplex a clock or ? Low Jitter: data stream. The I/O architecture is fully differential and -2ps random jitter RMS CML compatible. Both inputs and outputs are optimized for -5ps deterministic jitter PP 50 transmission lines. The inputs (DA 0-1 and DB 0-1) ? Power saving output disable feature are internally terminated with 50, thus eliminating ? 15ps channel-to-channel skew external termination, and the outputs (QA0-1 and QB0-1) include 50 source termination. Furthermore, a power- ? Fast CML outputs: <100ps t /t r f saving output enable feature is provided which powers- ? Available in a small (5mm x 5mm) 32-pin EPAD-QFN down unused outputs. package The SY5859L operates from a +3.3V ?10% supply, and is guaranteed over the industrial (?40?C to +85?C) Applications temperature range. It is available in a 32-pin (5mm x 5mm) QFN package. ? SONET/SDH optical transport For applications that require either lower voltage operation ? High-speed backplane redundancy or a more flexible input interface (for applications such as ? Add-drop multiplexers AC?coupled LVPECL inputs), consider the SY55858U. Data sheets and support documentation can be found on Micrel?s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Applications Typical Performance SuperLite is a trademark of Micrel, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-012110-A January 2010 hbwhelp@micrel.com or (408) 955-1690 Micrel, Inc. SY55859L (1) Ordering Information Part Number Package Type Operating Range Package Marking Lead Finish SY55859LMI H32-1 Industrial SY55859LMI Sn-Pb (2) SY55859LMITR H32-1 Industrial SY55859LMI Sn-Pb (3) H32-1 Industrial SY55859LMG SY55859LMG with Pb-Free Pb-Free bar-line indicator NiPdAu (2,3) H32-1 Industrial SY55859LMGTR SY55859LMG with Pb-Free Pb-Free bar-line indicator NiPdAu Notes: 1. Contact factory for die availability. Dice are guaranteed at T = 25?C, DC Electricals only. A 2. Tape and Reel. 3. Pb-Free package recommended for new designs. Cross Reference Table Micrel Semiconductor Maxim SY55859LMI MAX3840EGJ Pin Configuration 32-Pin EPAD-QFN M9999-012110-A January 2010 2 hbwhelp@micrel.com or (408) 955-1690 SY55859L 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch General Description TM The SY55859L is a dual CML 2x2 crosspoint switch SuperLite optimized for high-speed data and/or clock applications Features (up to 3.2Gbps or 2.7GHz) where low jitter and skew are critical. This device is pin-for-pin, plug-in compatible to the ? Pin-for-pin, plug-in compatible to the MAX3840 MAX3840. Each 2x2 of the SY55859L routes any input to ? Supply voltage operation: +3.3V?10% any output, and thus can distribute or multiplex a clock or ? Low Jitter: data stream. The I/O architecture is fully differential and -2ps random jitter RMS CML compatible. Both inputs and outputs are optimized for -5ps deterministic jitter PP 50 transmission lines. The inputs (DA 0-1 and DB 0-1) ? Power saving output disable feature are internally terminated with 50, thus eliminating ? 15ps channel-to-channel skew external termination, and the outputs (QA0-1 and QB0-1) include 50 source termination. Furthermore, a power- ? Fast CML outputs: <100ps t /t r f saving output enable feature is provided which powers- ? Available in a small (5mm x 5mm) 32-pin EPAD-QFN down unused outputs. package The SY5859L operates from a +3.3V ?10% supply, and is guaranteed over the industrial (?40?C to +85?C) Applications temperature range. It is available in a 32-pin (5mm x 5mm) QFN package. ? SONET/SDH optical transport For applications that require either lower voltage operation ? High-speed backplane redundancy or a more flexible input interface (for applications such as ? Add-drop multiplexers AC?coupled LVPECL inputs), consider the SY55858U. Data sheets and support documentation can be found on Micrel?s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Applications Typical Performance SuperLite is a trademark of Micrel, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-012110-A January 2010 hbwhelp@micrel.com or (408) 955-1690 SY55859L 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch General Description TM The SY55859L is a dual CML 2x2 crosspoint switch SuperLite optimized for high-speed data and/or clock applications Features (up to 3.2Gbps or 2.7GHz) where low jitter and skew are critical. This device is pin-for-pin, plug-in compatible to the ? Pin-for-pin, plug-in compatible to the MAX3840 MAX3840. Each 2x2 of the SY55859L routes any input to ? Supply voltage operation: +3.3V?10% any output, and thus can distribute or multiplex a clock or ? Low Jitter: data stream. The I/O architecture is fully differential and -2ps random jitter RMS CML compatible. Both inputs and outputs are optimized for -5ps deterministic jitter PP 50 transmission lines. The inputs (DA 0-1 and DB 0-1) ? Power saving output disable feature are internally terminated with 50, thus eliminating ? 15ps channel-to-channel skew external termination, and the outputs (QA0-1 and QB0-1) include 50 source termination. Furthermore, a power- ? Fast CML outputs: <100ps t /t r f saving output enable feature is provided which powers- ? Available in a small (5mm x 5mm) 32-pin EPAD-QFN down unused outputs. package The SY5859L operates from a +3.3V ?10% supply, and is guaranteed over the industrial (?40?C to +85?C) Applications temperature range. It is available in a 32-pin (5mm x 5mm) QFN package. ? SONET/SDH optical transport For applications that require either lower voltage operation ? High-speed backplane redundancy or a more flexible input interface (for applications such as ? Add-drop multiplexers AC?coupled LVPECL inputs), consider the SY55858U. Data sheets and support documentation can be found on Micrel?s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Applications Typical Performance SuperLite is a trademark of Micrel, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-012110-A January 2010 hbwhelp@micrel.com or (408) 955-1690 Micrel, Inc. SY55859L (1) Ordering Information Part Number Package Type Operating Range Package Marking Lead Finish SY55859LMI H32-1 Industrial SY55859LMI Sn-Pb (2) SY55859LMITR H32-1 Industrial SY55859LMI Sn-Pb (3) H32-1 Industrial SY55859LMG SY55859LMG with Pb-Free Pb-Free bar-line indicator NiPdAu (2,3) H32-1 Industrial SY55859LMGTR SY55859LMG with Pb-Free Pb-Free bar-line indicator NiPdAu Notes: 1. Contact factory for die availability. Dice are guaranteed at T = 25?C, DC Electricals only. A 2. Tape and Reel. 3. Pb-Free package recommended for new designs. Cross Reference Table Micrel Semiconductor Maxim SY55859LMI MAX3840EGJ Pin Configuration 32-Pin EPAD-QFN M9999-012110-A January 2010 2 hbwhelp@micrel.com or (408) 955-1690 Micrel, Inc. SY55859L Pin Description Pin Number Pin Name Pin Function 1 ENB1 TTL Input. Channel B1 Output Enable. Setting this pin inactive low powers down QB1 and /QB1. Do not leave floating. 2 DB1 CML Input. Channel B1 true input. 3 /DB1 CML Input. Channel B1 complement input. 4 ENB0 TTL Input. Channel B0 Output Enable. Setting this pin inactive low powers down QB0 and /QB. Do not leave floating. 5 SELB0 TTL Input. Channel B0 output select. Please refer to Table 2. Do not leave floating. 6 DB0 CML Input. Channel B0 true input. 7 /DB0 CML Input. Channel B0 complement input. 8 SELB1 TTL Input. Channel B1 output select. Please refer to Table 2. Do not leave floating. 9, 24 GND Supply ground. Most negative supply voltage. 10, 13, 16, 17, VCC Positive Supply. 20, 23 11 /QB0 CML Output. Channel B0 complement output. 12 QB0 CML Output. Channel B0 true output. 14 /QB1 CML Output. Channel B1 complement output. 15 QB1 CML Output. Channel B1 true output. 18 /QA1 CML Output. Channel A1 complement output. 19 QA1 CML Output. Channel A1 true output. 21 /QA0 CML Output. Channel A0 complement output. 22 QA0 CML Output. Channel A0 true output. 25 SELA1 TTL Input. Channel A1 output select. Please refer to Table 1. Do not leave floating. 26 DA0 CML Input. Channel A0 true input. 27 /DA0 CML Input. Channel A0 complement input. 28 SELA0 TTL Input. Channel A0 output select. Please refer to Table 1. Do not leave floating. 29 ENA0 TTL Input. Channel A0 output enable. Setting this pin inactive low powers down QA0 and /QA0. Do not leave floating. 30 DA1 CML Input. Channel A1 true input. 31 /DA1 CML Input. Channel A1 complement input. 32 ENA1 TTL Input. Channel A1 output enable. Setting this pin inactive low powers down QA1 and / QA1. Do not leave floating. EP Exposed Pad Ground. This must be soldered to circuit board ground for proper electrical and thermal operation. M9999-012110-A January 2010 3 hbwhelp@micrel.com or (408) 955-1690 SY55859L 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch General Description TM The SY55859L is a dual CML 2x2 crosspoint switch SuperLite optimized for high-speed data and/or clock applications Features (up to 3.2Gbps or 2.7GHz) where low jitter and skew are critical. This device is pin-for-pin, plug-in compatible to the ? Pin-for-pin, plug-in compatible to the MAX3840 MAX3840. Each 2x2 of the SY55859L routes any input to ? Supply voltage operation: +3.3V?10% any output, and thus can distribute or multiplex a clock or ? Low Jitter: data stream. The I/O architecture is fully differential and -2ps random jitter RMS CML compatible. Both inputs and outputs are optimized for -5ps deterministic jitter PP 50 transmission lines. The inputs (DA 0-1 and DB 0-1) ? Power saving output disable feature are internally terminated with 50, thus eliminating ? 15ps channel-to-channel skew external termination, and the outputs (QA0-1 and QB0-1) include 50 source termination. Furthermore, a power- ? Fast CML outputs: <100ps t /t r f saving output enable feature is provided which powers- ? Available in a small (5mm x 5mm) 32-pin EPAD-QFN down unused outputs. package The SY5859L operates from a +3.3V ?10% supply, and is guaranteed over the industrial (?40?C to +85?C) Applications temperature range. It is available in a 32-pin (5mm x 5mm) QFN package. ? SONET/SDH optical transport For applications that require either lower voltage operation ? High-speed backplane redundancy or a more flexible input interface (for applications such as ? Add-drop multiplexers AC?coupled LVPECL inputs), consider the SY55858U. Data sheets and support documentation can be found on Micrel?s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Applications Typical Performance SuperLite is a trademark of Micrel, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-012110-A January 2010 hbwhelp@micrel.com or (408) 955-1690 SY55859L 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch General Description TM The SY55859L is a dual CML 2x2 crosspoint switch SuperLite optimized for high-speed data and/or clock applications Features (up to 3.2Gbps or 2.7GHz) where low jitter and skew are critical. This device is pin-for-pin, plug-in compatible to the ? Pin-for-pin, plug-in compatible to the MAX3840 MAX3840. Each 2x2 of the SY55859L routes any input to ? Supply voltage operation: +3.3V?10% any output, and thus can distribute or multiplex a clock or ? Low Jitter: data stream. The I/O architecture is fully differential and -2ps random jitter RMS CML compatible. Both inputs and outputs are optimized for -5ps deterministic jitter PP 50 transmission lines. The inputs (DA 0-1 and DB 0-1) ? Power saving output disable feature are internally terminated with 50, thus eliminating ? 15ps channel-to-channel skew external termination, and the outputs (QA0-1 and QB0-1) include 50 source termination. Furthermore, a power- ? Fast CML outputs: <100ps t /t r f saving output enable feature is provided which powers- ? Available in a small (5mm x 5mm) 32-pin EPAD-QFN down unused outputs. package The SY5859L operates from a +3.3V ?10% supply, and is guaranteed over the industrial (?40?C to +85?C) Applications temperature range. It is available in a 32-pin (5mm x 5mm) QFN package. ? SONET/SDH optical transport For applications that require either lower voltage operation ? High-speed backplane redundancy or a more flexible input interface (for applications such as ? Add-drop multiplexers AC?coupled LVPECL inputs), consider the SY55858U. Data sheets and support documentation can be found on Micrel?s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Applications Typical Performance SuperLite is a trademark of Micrel, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-012110-A January 2010 hbwhelp@micrel.com or (408) 955-1690 Micrel, Inc. SY55859L (1) Ordering Information Part Number Package Type Operating Range Package Marking Lead Finish SY55859LMI H32-1 Industrial SY55859LMI Sn-Pb (2) SY55859LMITR H32-1 Industrial SY55859LMI Sn-Pb (3) H32-1 Industrial SY55859LMG SY55859LMG with Pb-Free Pb-Free bar-line indicator NiPdAu (2,3) H32-1 Industrial SY55859LMGTR SY55859LMG with Pb-Free Pb-Free bar-line indicator NiPdAu Notes: 1. Contact factory for die availability. Dice are guaranteed at T = 25?C, DC Electricals only. A 2. Tape and Reel. 3. Pb-Free package recommended for new designs. Cross Reference Table Micrel Semiconductor Maxim SY55859LMI MAX3840EGJ Pin Configuration 32-Pin EPAD-QFN M9999-012110-A January 2010 2 hbwhelp@micrel.com or (408) 955-1690 SY55859L 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch General Description TM The SY55859L is a dual CML 2x2 crosspoint switch SuperLite optimized for high-speed data and/or clock applications Features (up to 3.2Gbps or 2.7GHz) where low jitter and skew are critical. This device is pin-for-pin, plug-in compatible to the ? Pin-for-pin, plug-in compatible to the MAX3840 MAX3840. Each 2x2 of the SY55859L routes any input to ? Supply voltage operation: +3.3V?10% any output, and thus can distribute or multiplex a clock or ? Low Jitter: data stream. The I/O architecture is fully differential and -2ps random jitter RMS CML compatible. Both inputs and outputs are optimized for -5ps deterministic jitter PP 50 transmission lines. The inputs (DA 0-1 and DB 0-1) ? Power saving output disable feature are internally terminated with 50, thus eliminating ? 15ps channel-to-channel skew external termination, and the outputs (QA0-1 and QB0-1) include 50 source termination. Furthermore, a power- ? Fast CML outputs: <100ps t /t r f saving output enable feature is provided which powers- ? Available in a small (5mm x 5mm) 32-pin EPAD-QFN down unused outputs. package The SY5859L operates from a +3.3V ?10% supply, and is guaranteed over the industrial (?40?C to +85?C) Applications temperature range. It is available in a 32-pin (5mm x 5mm) QFN package. ? SONET/SDH optical transport For applications that require either lower voltage operation ? High-speed backplane redundancy or a more flexible input interface (for applications such as ? Add-drop multiplexers AC?coupled LVPECL inputs), consider the SY55858U. Data sheets and support documentation can be found on Micrel?s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Applications Typical Performance SuperLite is a trademark of Micrel, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-012110-A January 2010 hbwhelp@micrel.com or (408) 955-1690 SY55859L 3.3V, 3.2Gbps Dual 2X2 Crosspoint Switch General Description TM The SY55859L is a dual CML 2x2 crosspoint switch SuperLite optimized for high-speed data and/or clock applications Features (up to 3.2Gbps or 2.7GHz) where low jitter and skew are critical. This device is pin-for-pin, plug-in compatible to the ? Pin-for-pin, plug-in compatible to the MAX3840 MAX3840. Each 2x2 of the SY55859L routes any input to ? Supply voltage operation: +3.3V?10% any output, and thus can distribute or multiplex a clock or ? Low Jitter: data stream. The I/O architecture is fully differential and -2ps random jitter RMS CML compatible. Both inputs and outputs are optimized for -5ps deterministic jitter PP 50 transmission lines. The inputs (DA 0-1 and DB 0-1) ? Power saving output disable feature are internally terminated with 50, thus eliminating ? 15ps channel-to-channel skew external termination, and the outputs (QA0-1 and QB0-1) include 50 source termination. Furthermore, a power- ? Fast CML outputs: <100ps t /t r f saving output enable feature is provided which powers- ? Available in a small (5mm x 5mm) 32-pin EPAD-QFN down unused outputs. package The SY5859L operates from a +3.3V ?10% supply, and is guaranteed over the industrial (?40?C to +85?C) Applications temperature range. It is available in a 32-pin (5mm x 5mm) QFN package. ? SONET/SDH optical transport For applications that require either lower voltage operation ? High-speed backplane redundancy or a more flexible input interface (for applications such as ? Add-drop multiplexers AC?coupled LVPECL inputs), consider the SY55858U. Data sheets and support documentation can be found on Micrel?s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Applications Typical Performance SuperLite is a trademark of Micrel, Inc. Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com M9999-012110-A January 2010 hbwhelp@micrel.com or (408) 955-1690 Micrel, Inc. SY55859L (1) Ordering Information Part Number Package Type Operating Range Package Marking Lead Finish SY55859LMI H32-1 Industrial SY55859LMI Sn-Pb (2) SY55859LMITR H32-1 Industrial SY55859LMI Sn-Pb (3) H32-1 Industrial SY55859LMG SY55859LMG with Pb-Free Pb-Free bar-line indicator NiPdAu (2,3) H32-1 Industrial SY55859LMGTR SY55859LMG with Pb-Free Pb-Free bar-line indicator NiPdAu Notes: 1. Contact factory for die availability. Dice are guaranteed at T = 25?C, DC Electricals only. A 2. Tape and Reel. 3. Pb-Free package recommended for new designs. Cross Reference Table Micrel Semiconductor Maxim SY55859LMI MAX3840EGJ Pin Configuration 32-Pin EPAD-QFN M9999-012110-A January 2010 2 hbwhelp@micrel.com or (408) 955-1690 Micrel, Inc. SY55859L Pin Description Pin Number Pin Name Pin Function 1 ENB1 TTL Input. Channel B1 Output Enable. Setting this pin inactive low powers down QB1 and /QB1. Do not leave floating. 2 DB1 CML Input. Channel B1 true input. 3 /DB1 CML Input. Channel B1 complement input. 4 ENB0 TTL Input. Channel B0 Output Enable. Setting this pin inactive low powers down QB0 and /QB. Do not leave floating. 5 SELB0 TTL Input. Channel B0 output select. Please refer to Table 2. Do not leave floating. 6 DB0 CML Input. Channel B0 true input. 7 /DB0 CML Input. Channel B0 complement input. 8 SELB1 TTL Input. Channel B1 output select. Please refer to Table 2. Do not leave floating. 9, 24 GND Supply ground. Most negative supply voltage. 10, 13, 16, 17, VCC Positive Supply. 20, 23 11 /QB0 CML Output. Channel B0 complement output. 12 QB0 CML Output. Channel B0 true output. 14 /QB1 CML Output. Channel B1 complement output. 15 QB1 CML Output. Channel B1 true output. 18 /QA1 CML Output. Channel A1 complement output. 19 QA1 CML Output. Channel A1 true output. 21 /QA0 CML Output. Channel A0 complement output. 22 QA0 CML Output. Channel A0 true output. 25 SELA1 TTL Input. Channel A1 output select. Please refer to Table 1. Do not leave floating. 26 DA0 CML Input. Channel A0 true input. 27 /DA0 CML Input. Channel A0 complement input. 28 SELA0 TTL Input. Channel A0 output select. Please refer to Table 1. Do not leave floating. 29 ENA0 TTL Input. Channel A0 output enable. Setting this pin inactive low powers down QA0 and /QA0. Do not leave floating. 30 DA1 CML Input. Channel A1 true input. 31 /DA1 CML Input. Channel A1 complement input. 32 ENA1 TTL Input. Channel A1 output enable. Setting this pin inactive low powers down QA1 and / QA1. Do not leave floating. EP Exposed Pad Ground. This must be soldered to circuit board ground for proper electrical and thermal operation. M9999-012110-A January 2010 3 hbwhelp@micrel.com or (408) 955-1690

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