HCF4021 Datasheet, PDF (3/13 Pages) STMicroelectronics – Asynchronous parallel input or synchronous serial-in/serial-out 8-stage static shift register

HCF4021
1
Pin information
Pin information
Figure 1. Pin connections (top view)
3, 
4 
4 
3, _
3, 
3, 
3, 
966 _
 9''
 3,
 3,
 ^3,
 4
 6(5,$/,1
 &/2&.
 ^{3$5$//(/6(5,$/&21752/}
*$06&%
Pin number
7, 6, 5, 4, 13, 14, 15, 1
11
9
10
2, 3, 12
8
16
Table 2. Pin description
Symbol
Name and function
PI-1 to PI-8
SERIAL IN
PARALLEL/SERIAL
CONTROL
CLOCK
Q6, Q7, Q8
V_SS
V_DD
Parallel input
Serial input
Parallel/serial input control
Clock input
Buffered outputs
Negative supply voltage
Positive supply voltage
DocID008216 Rev 3
3/13
13