m54hc165k1 STMicroelectronics, m54hc165k1 Datasheet - Page 2

• Manufacturer Part Number: m54hc165k1
• Description: Rad-hard 8 Bit Piso Shift Register
• Manufacturer: STMicroelectronics

M54HC165
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
a........h : The level of steady input voltage at inputs a through respectively
QAn - QGn : The level of QA - QG, respectively. before the most-recent transition of the clock
2/12
SHIFT /
LOAD
H
H
H
H
H
H
L
CLOCK INH
X
X
H
L
L
INPUTS
CLOCK
H
X
X
L
L
SI
X
H
H
X
X
L
L
A..........H
PIN DESCRIPTION
a..........h
14, 3, 4, 5, 6
11, 12, 13,
PIN N°
X
X
X
X
X
X
10
15
16
1
2
7
9
8
SHIFT/LOAD Data Inputs
INTERNAL OUTPUTS
CLOCK INH Clock Inhibit
SYMBOL
QA
CLOCK
A to H
H
H
a
L
L
GND
V
QH
QH
SI
CC
NO CHANGE
NO CHANGE
Complementary Output
Serial Output
Clock Input (LOW to
HIGH, Edge Triggered
Serial Data Inputs
Parallel Data Inputs
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
QAn
QAn
QAn
QAn
QB
b
OUTPUTS
QGn
QGn
QGn
QGn
QH
h