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參數(shù)資料
| 型號： | HD74AC195 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-bit Parallel-Access Shift Register |
| 中文描述： | 4位并行存取移位寄存器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 67K |
| 代理商： | HD74AC195 |
HD74AC195
5
AC Characteristics: HD74AC195
Ta = +25
°
C
C
L
= 50 pF
Min
Ta = –40
°
C to +85
°
C
C
L
= 50 pF
Min
Item
Symbol
V
CC
(V)*
1
3.3
Typ
Max
Max
Unit
Maximum clock
f
max
75
—
—
65
—
MHz
frequency
5.0
100
—
—
85
—
Propagation delay
CP to Q
n
or
Q
3
Propagation delay
CP to Q
n
or
Q
2
Propagation delay
MR
to
Q
2
Propagaion delay
MR
to
Q
n
Note:
1. Voltage Range 3.3 is 3.3 V
±
0.3 V
Voltage Range 5.0 is 5.0 V
±
0.5 V
t
PLH
3.3
1.0
9.0
13.0
1.0
15.0
ns
5.0
1.0
5.5
10.0
1.0
11.5
t
PHL
3.3
1.0
9.0
13.0
1.0
15.0
ns
5.0
1.0
6.5
10.0
1.0
11.5
t
PLH
3.3
1.0
7.5
10.5
1.0
12.0
ns
5.0
1.0
5.5
8.0
1.0
9.5
t
PHL
3.3
1.0
6.0
9.0
1.0
10.5
ns
5.0
1.0
5.0
7.0
1.0
8.0
AC Operating Requirements: HD74AC195
Ta = +25
°
C
C
L
= 50 pF
Typ
Ta = –40
°
C
to +85
°
C
C
L
= 50 pF
Item
Symbol
V
CC
(V)*
1
3.3
Guaranteed Minimum
Unit
Setup time, HIGH or LOW
J,
K
or
D
n
to CP
Hold time, HIGH or LOW
J,
K
or
D
n
to CP
Setup time, HIGH or LOW
PE
to CP
t
su
3.0
5.5
7.0
ns
5.0
2.0
4.0
5.0
t
h
3.3
–0.5
2.0
3.6
ns
5.0
0.5
1.5
2.0
t
su
3.3
3.5
5.0
7.0
ns
5.0
2.5
4.0
5.0
Hold time, HIGH or LOW
PE
to CP
t
h
3.3
–2.0
0.0
0.0
ns
5.0
–1.5
0.0
0.0
Recovery time
MR
to CP
t
rec
3.3
–1.5
0.5
0.5
ns
5.0
–1.0
0.5
0.5
Pulse width
t
w
3.3
–3.0
5.5
7.0
ns
5.0
–3.0
4.5
5.0
Note:
1. Voltage Range 3.3 is 3.3 V
±
0.3 V
Voltage Range 5.0 is 5.0 V
±
0.5 V
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