Product Information

74AHCT257D,112

74AHCT257D,112 electronic component of Nexperia

Datasheet
NXP Semiconductors Encoders, Decoders, Multiplexers & Demultiplexers 8-BIT ADDRSSBL LATCH
Manufacturer: Nexperia
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



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N/A

Obsolete

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0 - WHS 1

MOQ : 1
Multiples : 1

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74AHCT257D,112
Nexperia

1 : USD 1.6311
10 : USD 0.7675
100 : USD 0.4163
500 : USD 0.3273
1000 : USD 0.2517
2500 : USD 0.2299
5000 : USD 0.2165
N/A

Obsolete

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RoHS - XON
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Logic Family
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Additional Infomation About Product

74AHC257 74AHCT257 Quad 2-input multiplexer 3-state Rev. 02 9 May 2008 Product data sheet 1. General description The 74AHC257 74AHCT257 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specied in compliance with JEDEC standard No. 7-A. The 74AHC257 74AHCT257 has four identical 2-input multiplexers with 3-state outputs, which select 4 bits of data from two sources and are controlled by a common data select input (S). The data inputs from source 0 (1I0 to 4I0) are selected when input S is LOW and the data inputs from source 1 (1I1 to 4I1) are selected when input S is HIGH. Data appears at the outputs (1Y to 4Y) in true (non-inverting) form from the selected inputs. The 74AHC257 74AHCT257 is the logic implementation of a 4-pole 2-position switch, where the position of the switch is determined by the logic levels applied to input S. The outputs are forced to a high-impedance OFF-state when OE is HIGH. The logic equations for the outputs are: 1Y = OE (1I1 S + 1I0 S) 2Y = OE (2I1 S + 2I0 S) 3Y = OE (3I1 S + 3I0 S) 4Y = OE (4I1 S + 4I0 S) The 74AHC257 74AHCT257 is identical to the 74AHC258 74AHCT258, but has non-inverting (true) outputs. 2. Features n Balanced propagation delays n All inputs have Schmitt-trigger actions n Non-inverting data path n Inputs accept voltages higher than V CC n Input levels: u For 74AHC257: CMOS level u For 74AHCT257: TTL level n ESD protection: u HBM EIA/JESD22-A114E exceeds 2000 V u MM EIA/JESD22-A115-A exceeds 200 V u CDM EIA/JESD22-C101C exceeds 1000 V n Multiple package options n Specied from -40 C to +85 C and from 40- C to +125 C74AHC257 74AHCT257 Nexperia Quad 2-input multiplexer 3-state 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name Description Version 74AHC257 74AHC257D 40- C to +125 C SO16 plastic small outline package 16 leads SOT109-1 body width 3.9 mm 74AHC257PW 40- C to +125 C TSSOP16 plastic thin shrink small outline package 16 leads SOT403-1 body width 4.4 mm 74AHCT257 74AHCT257D -40 C to +125 C SO16 plastic small outline package 16 leads SOT109-1 body width 3.9 mm 74AHCT257PW -40 C to +125 C TSSOP16 plastic thin shrink small outline package 16 leads SOT403-1 body width 4.4 mm 4. Functional diagram 2 3 5 6 11 10 14 13 1I0 1I1 2I0 2I1 3I0 3I1 4I0 4I1 1 S SELECTOR 15 OE 3-STATE MULTIPLEXER OUTPUTS 1Y 2Y 3Y 4Y 4 7 9 12 mgr280 Fig 1. Functional diagram 74AHC AHCT257 2 Nexperia B.V. 2017. All rights reserved Product data sheet Rev. 02 9 May 2008 2 of 16

HS Compliance

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits

Nexperia may also be referenced as

Nexperia
NEXPERIA USA INC
Nexperia USA Inc.

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