74hct166db NXP Semiconductors, 74hct166db Datasheet - Page 3

• Manufacturer Part Number: 74hct166db
• Description: 8-bit Parallel-in/serial-out Shift Register
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN DESCRIPTION
December 1990
PIN NO.
1
2, 3, 4, 5, 10, 11, 12, 14
6
7
8
9
13
15
16
8-bit parallel-in/serial-out shift register
Fig.1 Pin configuration.
SYMBOL
D
D
CE
CP
GND
MR
Q
PE
V
CC
s
0
7
to D
7
Fig.2 Logic symbol.
NAME AND FUNCTION
serial data input
parallel data inputs
clock enable input (active LOW)
clock input (LOW-to-HIGH edge-triggered)
ground (0 V)
asynchronous master reset (active LOW)
serial output from the last stage
parallel enable input (active LOW)
positive supply voltage
3
Fig.3 IEC logic symbol.
74HC/HCT166
Product specification