1

Standard Products

UT54ACS541/UT54ACTS541

Octal Buffers & Line Drivers, Three-State Outputs

Datasheet

November 2010

www.aeroflex.com/logic

FEATURES

Three-state outputs drive bus lines or buffer memory address

registers

1.2μ CMOS

- Latchup immune

High speed

Low power consumption

Single 5 volt supply

Available QML Q or V processes

Flexible package

- 20-pin DIP

- 20-lead flatpack

UT54ACS541 - SMD 5962-96594

UT54ACTS541 - SMD 5962-96595

DESCRIPTION

The UT54ACS541 and the UT54ACTS541 are non-inverting

octal buffers and line drivers which improve the performance

and density of three-state memory address drivers, clock drivers,

and bus-oriented receivers and transmitters. The devices are

characterized over full military temperature range of -55

°C to

+125

°C.

FUNCTION TABLE

LOGIC SYMBOL

PINOUTS

20-Pin DIP

Top View

20-Lead Flatpack

Top View

INPUTS

OUTPUT

1G

2G

An

Yn

L

L

L

L

L

L

H

H

H

X

X

Z

X

H

X

Z

(1)

EN

(2)

A1

(3)

A2

(4)

(18)

Y1

(16)

(17)

Y2

Note:

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

Publication 617-12.

A3

(5)

A4

(6)

A5

(7)

A6

Y3

(13) Y6

(14)

Y5

(15)

Y4

(8)

A7

(9)

A8

(11) Y8

(12) Y7

(19)

&

1G

2G

1G

A1

A2

A3

A4

A5

A6

2G

Y1

Y2

Y3

Y5

A7

Y6

Y4

A8

Y7

Y8

120

219

318

417

516

615

714

813

912

10

11

1G

A1

A2

A3

A4

A5

A6

2G

Y1

Y2

Y3

Y5

A7

Y6

Y4

A8

Y7

Y8

120

219

318

417

516

615

714

813

912

10

11