ZL40272 Low-Skew, Low Additive Jitter, 12 Output HCSL/LVDS/ LVPECL Fanout Buffer with Per-Output Enable Control Features 3-to-1 input Multiplexer: Two Inputs Accept Any Applications Differential (LVPECL, HCSL, LVDS, SSTL, CML, PCIe Gen1/2/3/4/5 Clock Distribution LVCMOS) or a Single-Ended Signal and the Third Wired Communications: OTN, SONET/SDH, GE, Input Accepts a Crystal or a Single-Ended Signal 10 GE, FC, and 10G FC Twelve Differential HCSL/LVDS/LVPECL Outputs General Purpose Clock Distribution Ultra-Low Additive Jitter: 24 fs (Integration Band: Low Jitter Clock Trees 12 kHz to 20 MHz at 625 MHz Clock Frequency) Logic Translation Supports Clock Frequencies from 0 GHz to Clock and Data Signal Restoration 1.5 GHz Wireless Communications Supports 2.5V or 3.3V Power Supplies on HCSL/ High Performance Microprocessor Clock Distribu- LVDS/LVPECL Outputs tion Embedded Low Drop Out (LDO) Voltage Regula- Test Equipment tor Provides Superior Power Supply Noise Rejec- tion Maximum Output to Output Skew of 50 ps 2 Device Controlled via I C or Hardware Control Pins Factory Configurable Default Settings via OTP Transparent for Spread Spectrum Clock SEL OUT0 p HW CTRL/SMBus IN SEL0 OUT0 n IN SEL0/ I2C SA 0 Registers: I2C SA 0 xtal buf gain 7:0 IN SEL1 xtal drive level 7:0 OUT1 p IN SEL1/ xtal load cap 7:0 I2C SA 0 OUT1 n I2C SA 1 xtal normal run input select 1:0 output drive low 7:0 output drive low 11:8 OUT2 p vcm sel OUT TYPE SEL0 OUT2 n dev addr 2:0 OUT TYPE SEL0/ I2C SCL Device ID I2C SCL OUT3 p OUT TYPE SEL1 OUT TYPE SEL1 OUT3 n I2C SDA /I2C SDA OUT4 p OE b 11:0 OUT4 n OUT5 p OUT5 n IN0 p IN0 n OUT6 p IN1 p OUT6 n IN1 n OUT7 p OUT7 n XOUT OUT8 p OUT8 n XIN ZL40272 OUT9 p IREF OUT9 n OUT10 p RH OUT10 n OUT11 p OUT11 n FIGURE 0-1: Functional Block Diagram. 2020 - 2021 Microchip Technology Inc. and its subsidiaries DS20006408B-page 1ZL40272 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: