74HC259DB View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

74HC259DB

8-bit addressable latch

Philips Electronics 

Philips Semiconductors

8-bit addressable latch

Product specification

74HC/HCT259

ORDERING INFORMATION

See “74HC/HCT/HCU/HCMOS Logic Package Information”.

PIN DESCRIPTION

PIN NO.

1, 2, 3

4, 5, 6, 7, 9 10, 11, 12

8

13

14

15

16

SYMBOL

A0 to A2

Q0 to Q7

GND

D

LE

MR

VCC

NAME AND FUNCTION

address inputs

latch outputs

ground (0 V)

data input

latch enable input (active LOW)

conditional reset input (active LOW)

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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