1

Standard Products

UT54ACS157/UT54ACTS157

Quadruple 2 to 1 Multiplexers

Datasheet

November 2010

www.aeroflex.com/logic

FEATURES

1.2μ CMOS

- Latchup immune

High speed

Low power consumption

Single 5 volt supply

Available QML Q or V processes

Flexible package

- 16-pin DIP

- 16-lead flatpack

UT54ACS157 - SMD 5962-96552

UT54ACTS157 - SMD 5962-96553

DESCRIPTION

The UT54ACS157 and the UT54ACTS157 are monolithic data

selectors/multiplexers. A 4-bit word is selected from one of two

sources and is routed to the four outputs. A separate strobe

input, G, is provided.

The devices are characterized over full military temperature

range of -55

°C to +125°C.

FUNCTION TABLE

PINOUTS

16-Pin DIP

Top View

16-Lead Flatpack

Top View

LOGIC SYMBOL

INPUTS

OUTPUT

STROBE

G

SELECT

A/B

DATA

A

B

Y

H

X

X

X

L

L

L

L

X

L

L

L

H

X

H

L

H

X

L

L

L

H

X

H

H

1

2

3

4

5

7

6

16

15

14

13

12

10

11

A/B

A1

B1

Y1

A2

B2

Y2

G

A4

B4

Y4

A3

B3

8

9

Y3

1

2

3

4

5

7

6

16

15

14

13

12

10

11

A/B

A1

B1

Y1

A2

B2

Y2

G

A4

B4

Y4

A3

B3

Y3

8

9

(15)

G

(1)

A/B

G1

EN

MUX

Note:

1. Logic symbol in accordance with ANSI/IEEE Std 91-1984 and

IEC Publication 617-12.

(2)

A1

1

(3)

B1

1

(5)

A2

(6)

B2

(11)

A3

(10)

B3

(14)

A4

(13)

B4

(4)

Y1

(7)

Y2

(9)

Y3

(12)

Y4