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Home > Semiconductors > ICs > Philips 74HCT157D IC QUAD 2-INPUT MUX 16-SOIC

Philips 74HCT157D IC QUAD 2-INPUT MUX 16-SOIC

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74HCT157D Philips - NXP Encoders, Decoders, Multiplexers & Demultiplexer 2Input 16-SOIC

Philips 74HCT157D IC QUAD 2-INPUT MUX 16-SOIC

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PHILIPS - 74HCT157D IC QUAD 2-INPUT MUX 16-SOIC

Specifications
Manufacturer: NXP
Product Category: Encoders, Decoders, Multiplexers & Demultiplexers
Product: Decoders, Encoders, Multiplexers & Demultiplexers
Logic Family: HCT
Number of Input Lines: 8 Input
Number of Output Lines: 4 Output
Propagation Delay Time: 27 ns at 4.5 V
Supply Voltage - Max: 5.5 V
Supply Voltage - Min: 4.5 V
Maximum Operating Temperature: + 125 C
Mounting Style: SMD/SMT
Package / Case: SOT-109
Packaging: Reel
Minimum Operating Temperature: - 40 C

The 74HC157-Q100; 74HCT157-Q100 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL. It is specified in compliance with JEDEC standard no. 7A.

The 74HC/HCT157-Q100 are quad 2-input multiplexers which select 4 bits of data from two sources under the control of a common data select input (S). The enable input (E) is active LOW. When E is HIGH, all of the outputs (1Y to 4Y) are forced LOW regardless of all other input conditions.

Moving the data from two groups of registers to four common output buses is a common use of the 74HC/HCT157-Q100. 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. The device is useful for implementing highly irregular logic by generating any four of the 16 different functions of two variables with one variable common. The 74HC/HCT157-Q100 is logic implementation of a 4-pole, 2-position switch, where the position of the switch is determined by the logic levels applied to S.

The logic equations are:

1Y = E x (1I1 x S + 1I0 x S)

2Y = E x (2I1 x S + 2I0 x S)

3Y = E x (3I1 x S + 3I0 x S)

4Y = E x (4I1 x S + 4I0 x S)

This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.

Additional Information

74HCT157
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