74LVC157AD,118 product image


Encoders, Decoders, Multiplexers & Demultiplexers
NXP Semiconductors
The  74LVC157AD ,118 is a quad 2-input multiplexer which select four bits of data from two  sources under the control of a common select input (S). The four outputs present the  selected data in the true (non-inverted) form. The enable input (E) is active LOW. When  pin E is HIGH, all of the outputs (1Y to 4Y) are forced LOW regardless of all the other  input conditions. Moving the data from two groups of registers to four common output  buses is a common use of the 74LVC157AD,118. The state of the common data select input (S)  determines the particular register from which the data comes. It can also be used as  function generator. It is useful for implementing highly irregular logic by generating any 4 of the 16 different  functions of two variables with one variable common. The device 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 pin S. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these  devices as translators in mixed 3.3 V and 5 V applications.
74LVC157AD,118 Features
•5 V tolerant inputs for interfacing with 5 V logic
•Wide supply voltage range from 1.2 V to 3.6 V
•CMOS low power consumption
•Direct interface with TTL levels
•Complies with JEDEC standard:
-JESD8-7A (1.65 V to 1.95 V)
-JESD8-5A (2.3 V to 2.7 V)
-JESD8-C/JESD36 (2.7 V to 3.6 V)
•ESD protection:
-HBM JESD22-A114F exceeds 2000 V
-MM JESD22-A115-B exceeds 200 V
-CDM JESD22-C101E exceeds 1000 V


Propagation Delay Time:16 ns at 1.2 V, 3 ns at 2.7 V, 2.6 ns at 3.3 V
Supply Voltage - Max:3.6 V
Supply Voltage - Min:1.2 V
Maximum Operating Temperature:+ 125 C
Minimum Operating Temperature:- 40 C
Number of Input Lines:8
Number of Output Lines:4
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