Rev.2.00, Feb.18.2005, page 1 of 6

HD74LS157

Quadruple 2-line-to-1-line Data Selectors / Multiplexers

(noninverted outputs)

REJ03D0442–0200

Rev.2.00

Feb.18.2005

This data selector / multiplexer contains inverters and drivers to supply full on-chip data selection to the four output

gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four

outputs. Then, outputs present true data to minimize propagation delay time.

Features

• Ordering Information

Part Name

Package Type

Package Code

(Previous Code)

Package

Abbreviation

Taping Abbreviation

(Quantity)

HD74LS157P

DILP-16 pin

PRDP0016AE-B

(DP-16FV)

P

—

HD74LS157FPEL

SOP-16 pin (JEITA)

PRSP0016DH-B

(FP-16DAV)

FP

EL (2,000 pcs/reel)

HD74LS157RPEL

SOP-16 pin (JEDEC)

PRSP0016DG-A

(FP-16DNV)

RP

EL (2,500 pcs/reel)

Note:

Please consult the sales office for the above package availability.

Pin Arrangement

(Top view)

GND

15

16

1

2

3

4

5

6

7

14

8

9

10

11

12

13

S

1A

2Y

3Y

2B

1Y

1B

G

3B

3A

4B

4A

Select

1A

1B

1Y

2A

2B

2Y

3Y

3B

3A

4Y

4B

4A

Strobe

2A

4Y

Inputs

Inputs

Inputs

Output

Output

Output

Output

Inputs