hcf4042b STMicroelectronics, hcf4042b Datasheet - Page 2

• Manufacturer Part Number: hcf4042b
• Description: Quad Clocked D Latch
• Manufacturer: STMicroelectronics

HCF4042B
IINPUT EQUIVALENT CIRCUIT
FUNCTIONAL DIAGRAM
TRUTH TABLE
2/9
CLOCK
H
L
POLARITY
0
0
1
1
PIN DESCRIPTION
4, 7, 13, 14
2, 10, 11, 1
3, 9, 12, 15
PIN No
16
5
6
8
POLARITY
SYMBOL
Q1 to Q4
Q1 to Q4
D1 to D4
CLOCK
V
V
SS
DD
Data Inputs
Q outputs
Q outputs
Clock Input
Polarity inputs
Negative Supply Voltage
Positive Supply Voltage
NAME AND FUNCTION
LATCH
LATCH
Q
D
D