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Standard Products

UT54ACS244/UT54ACTS244

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

UT54ACS244 - SMD 5962-96570

UT54ACTS244 - SMD 5962-96571

DESCRIPTION

The UT54ACS244 and the UT54ACTS244 are non-inverting

octal buffer 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

A

Y

L

L

L

L

H

H

H

X

Z

(1)

1G

EN

(2)

1A1

(4)

1A2

(6)

1A3

(8)

1A4

(18)

1Y1

(12)

1Y4

(14)

1Y3

(16)

1Y2

(19)

2G

EN

(11)

2A1

(13)

2A2

(15)

2A3

(17)

2A4

(9)

2Y1

(3)

2Y4

(5)

2Y3

(7)

2Y2

Note:

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

Publication 617-12.

1G

1A1

2Y4

1A2

2Y3

1A3

2Y2

2G

1Y1

2A4

1Y2

1Y3

1A4

2A2

2A3

2Y1

1Y4

2A1

120

219

318

417

516

615

714

813

912

10

11

1G

1A1

2Y4

1A2

2Y3

1A3

2Y2

2G

1Y1

2A4

1Y2

1Y3

1A4

2A2

2A3

2Y1

1Y4

2A1

120

219

318

417

516

615

714

813

912

10

11