m54hc164k1 STMicroelectronics, m54hc164k1 Datasheet - Page 2

• Manufacturer Part Number: m54hc164k1
• Description: 8 Bit Sipo Shift Register
• Manufacturer: STMicroelectronics

M54HC164
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
QAn - QGn : The level of QA - QG, respectively. before the most-recent transition of the clock
2/11
CLEAR
H
H
H
H
L
CLOCK
X
INPUTS
A
H
X
X
X
L
SERIAL IN
B
X
X
X
H
L
PIN DESCRIPTION
3, 4, 5, 6, 10,
11, 12, 13
QA
PIN N°
H
L
L
L
1, 2
14
8
9
7
SYMBOL
QA to QH
QAn
QAn
QAn
QB
CLOCK
CLEAR
L
GND
A, B
V
NO CHANGE
CC
OUTPUTS
Data Inputs
Outputs
Clock Input (LOW to
HIGH, Edge Triggered
Master Reset Input
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
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QGn
QGn
QGn
QH
L