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参数资料
| 型号： | HD74LS165AP-E |
| 元件分类： | 计数移位寄存器 |
| 英文描述： | LS SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, COMPLEMENTARY OUTPUT, PDIP16 |
| 封装： | 6.30 X 19.20 MM, 2.54 MM PITCH, PLASTIC, DIP-16 |
| 文件页数： | 2/8页 |
| 文件大小： | 186K |
| 代理商： | HD74LS165AP-E |
HD74LS165A
Rev.3.00, Jul.15.2005, page 2 of 7
Function Table
Inputs
Parallel
Internal outputs
Shift / Load
Clock
Inhibit
Clock
Serial
A
…H
QA
QB
Output
QH
L
X
a
…h
a
b
h
H
L
↑
X
QA0
QB0
QH0
H
L
↑
H
X
H
QAn
QGn
H
L
↑
L
X
L
QAn
QGn
H
X
QA0
QB0
QH0
Notes: 1. H; high level, L; low level, X; irrelevant
2.
↑; transition from low to high level
3.
a to h; the level of steady-state input at inputs A to H respectively
4.
QA0 to QH0; the level of QA to QH, respectively, before the indicated steady-state input conditions were
established.
5.
QAn to QGn; the level of QA to QG, respectively, before the most recent
↓ transition of the clock.
Block Diagram
Shift /
Load
Clock
Inhibit
Serial
Input
A
B
C
D
E
F
G
H
PR
S
R
QA
CK
PR
S
R
QB
CK
PR
S
R
QC
CK
PR
S
R
QD
CK
PR
S
R
QE
CK
PR
S
R
QF
CK
PR
S
R
QG
CK
PR
Clear
S
R
QH
CK
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage
VCC
7
V
Input voltage
VIN
7
V
Power dissipation
PT
400
mW
Storage temperature
Tstg
–65 to +150
°C
Note:
Voltage value, unless otherwise noted, are with respect to network ground terminal.
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