Philips Semiconductors
8-bit serial-in/parallel-out shift register
Product specification
74AHC164; 74AHCT164
PINNING
PIN
1, 2
3, 4, 5, 6, 10, 11, 12, 13
7
8
9
14
SYMBOL
Dsa, Dsb
Q0 to Q7
GND
CP
MR
VCC
DESCRIPTION
data input
outputs
ground (0 V)
clock input (LOW-to-HIGH, edge-triggered)
master reset input (active LOW)
DC supply voltage
handbook, halfpage
Dsa 1
Dsb 2
Q0 3
Q1 4
Q2 5
Q3 6
GND 7
14 VCC
13 Q7
12 Q6
164
11 Q5
10 Q4
9 MR
8 CP
MNA596
Fig.1 Pin configuration.
handbook, halfpage 1
Dsa
2 Dsb
8
CP
9
MR
Q0
3
4
Q1
Q2
5
Q3
6
Q4 10
Q5 11
Q6 12
Q7 13
MNA597
Fig.2 Logic symbol.
2000 Aug 15
4