參數(shù)資料
型號(hào): M74HC165TTR
廠商: 意法半導(dǎo)體
元件分類: 通用總線功能
英文描述: 8 BIT PISO SHIFT REGISTER
中文描述: 8位皮索移位寄存器
文件頁數(shù): 2/12頁
文件大小: 475K
代理商: M74HC165TTR
M74HC165
2/12
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
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
LOGIC DIAGRAM
PIN No
SYMBOL
NAME AND FUNCTION
1
2
7
SHIFT/LOAD Data Inputs
QH
QH
Complementary Output
Serial Output
Clock Input (LOW to
HIGH, Edge Triggered
Serial Data Inputs
9
CLOCK
10
SI
11, 12, 13,
14, 3, 4, 5, 6
15
8
16
A to H
Parallel Data Inputs
CLOCK INH Clock Inhibit
GND
Vcc
Ground (0V)
Positive Supply Voltage
INPUTS
INTERNAL OUTPUTS
OUTPUTS
SHIFT /
LOAD
CLOCK INH
CLOCK
SI
A..........H
QA
QB
QH
L
X
X
X
a..........h
a
b
h
H
L
H
X
H
QAn
QGn
H
L
L
X
L
QAn
QGn
H
L
H
X
H
QAn
QGn
H
L
L
X
L
QAn
QGn
H
H
X
H
H
X
X
X
X
X
NO CHANGE
NO CHANGE
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