Datasheet
December 1990 3
Philips Semiconductors Product speciļ¬cation
Octal D-type transparent latch; 3-state 74HC/HCT573
PIN DESCRIPTION
PIN NO. SYMBOL NAME AND FUNCTION
2, 3, 4, 5, 6, 7, 8, 9 D
0
to D
7
data inputs
11 LE latch enable input (active HIGH)
1
OE 3-state output enable input (active LOW)
10 GND ground (0 V)
19, 18, 17, 16, 15, 14, 13, 12 Q
0
to Q
7
3-state latch outputs
20 V
CC
positive supply voltage
Fig.1 Pin configuration. Fig.2 Logic symbol. Fig.3 IEC logic symbol.