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參數(shù)資料
| 型號： | HD74HC165 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers/Drivers With 3-State Outputs 20-LCCC -55 to 125 |
| 中文描述： | 并聯(lián)負(fù)載8位的移位寄存器 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 47K |
| 代理商： | HD74HC165 |
HD74HC165
4
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Symbol
V
CC
(V)
2.0
Min Typ Max Min
Max
Unit
Test Conditions
Maximum clock
f
max
—
—
5
—
4
MHz
frequency
4.5
—
—
27
—
21
6.0
—
—
32
—
25
Propagation delay t
PLH
time
2.0
—
—
150 —
190
ns
Clock to Q
H
or Q
H
t
PHL
4.5
—
21
30
—
38
6.0
—
—
26
—
33
2.0
—
—
160 —
200
Shift/Load to Q
H
or Q
H
4.5
—
23
32
—
40
6.0
—
—
27
—
34
2.0
—
—
150 —
190
H to Q
H
or Q
H
4.5
—
21
30
—
38
6.0
—
—
26
—
33
Setup time
t
su
2.0
100 —
—
125
—
ns
Parallel data inputs to
4.5
20
–3
—
25
—
Shift/Load
6.0
17
—
—
21
—
2.0
100 —
—
125
—
Sherial input to Clock
4.5
20
3
—
25
—
6.0
17
—
—
21
—
2.0
100 —
—
125
—
Shift/load to Clock
4.5
20
—
—
25
—
6.0
17
—
—
21
—
Removal time
t
rem
2.0
100 —
—
125
—
ns
Clock to Clock inhibit or
4.5
20
6
—
25
—
Clock inhibit to Clock
6.0
17
—
—
21
—
Hold time
t
h
2.0
5
—
—
5
—
ns
Shift/Load to parallel data input
4.5
5
–3
—
5
—
6.0
5
—
—
5
—
2.0
5
—
—
5
—
Clock to Serial data input
4.5
5
3
—
5
—
6.0
5
—
—
5
—
2.0
5
—
—
5
—
Clock to Shift/Load
4.5
5
—
—
5
—
6.0
5
—
—
5
—
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