74ABT544(2009) Ver la hoja de datos (PDF) - NXP Semiconductors.

Número de pieza

componentes Descripción

Lista de partido

74ABT544
(Rev.:2009)

Octal latched transceiver with dual enable; inverting; 3-state

NXP Semiconductors. 

NXP Semiconductors

74ABT544

Octal latched transceiver with dual enable; inverting; 3-state

5. Pinning information

5.1 Pinning

Fig 4. Pin configuration

74ABT544

LEBA 1

OEBA 2

A0 3

A1 4

A2 5

A3 6

A4 7

A5 8

A6 9

A7 10

EAB 11

GND 12

24 VCC

23 EBA

22 B0

21 B1

20 B2

19 B3

18 B4

17 B5

16 B6

15 B7

14 LEAB

13 OEAB

001aac755

5.2 Pin description

Table 2.

Symbol

LEBA

OEBA

A0 to A7

EAB

GND

OEAB

LEAB

B0 to B7

EBA

VCC

Pin description

Pin

Description

1

B-to-A latch enable input (active LOW)

2

B-to-A output enable input (active LOW)

3, 4, 5, 6, 7, 8, 9, 10

data input or output

11

A-to-B enable input (active LOW)

12

ground (0 V)

13

A-to-B output enable input (active LOW)

14

A-to-B latch enable input (active LOW)

22, 21, 20, 19, 18, 17, 16, 15 data input or output

23

B-to-A enable input (active LOW)

24

positive supply voltage

74ABT544_4

Product data sheet

Rev. 04 — 15 January 2009

© NXP B.V. 2010. All rights reserved.

3 of 15

Share Link: