Datasheet

December 1990 3
Philips Semiconductors Product specification
8-bit addressable latch 74HC/HCT259
ORDERING INFORMATION
See “74HC/HCT/HCU/HCMOS Logic Package Information” .
PIN DESCRIPTION
PIN NO. SYMBOL NAME AND FUNCTION
1, 2, 3 A
0
to A
2
address inputs
4, 5, 6, 7, 9 10, 11, 12 Q
0
to Q
7
latch outputs
8 GND ground (0 V)
13 D data input
14
LE latch enable input (active LOW)
15
MR conditional reset input (active LOW)
16 V
CC
positive supply voltage
Fig.1 Pin configuration. Fig.2 Logic symbol. Fig.3 IEC logic symbol.