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參數(shù)資料
| 型號： | HD74HC652 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Bus Transceivers/Registers(with inverted 3-state outputs) |
| 中文描述： | 八路總線收發(fā)器/寄存器（帶倒三態(tài)輸出） |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 55K |
| 代理商： | HD74HC652 |
HD74HC651/HD74HC652
7
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
Propagation delay t
PLH
time
—
—
170 —
215
ns
Clock to Bus
t
PHL
4.5
—
19
34
—
43
6.0
—
—
29
—
37
2.0
—
—
135 —
170
ns
Bus to Bus
4.5
—
16
27
—
34
6.0
—
—
23
—
29
2.0
—
—
190 —
240
ns
Select to Bus
4.5
—
18
38
—
48
6.0
—
—
32
—
41
Output enable
t
ZL
t
ZH
2.0
—
—
150 —
190
ns
time
4.5
—
14
30
—
38
6.0
—
—
26
—
33
Output disable
t
LZ
t
HZ
2.0
—
—
150 —
190
ns
time
4.5
—
18
30
—
38
6.0
—
—
26
—
33
Pulse width
t
w
2.0
80
—
—
100
—
ns
4.5
16
7
—
20
—
6.0
14
—
—
17
—
Setup time
t
su
2.0
100 —
—
125
—
ns
4.5
20
4
—
25
—
6.0
17
—
—
21
—
Hold time
t
h
2.0
5
—
—
5
—
ns
4.5
5
–1
—
5
—
6.0
5
—
—
5
—
Output rise/fall
t
TLH
t
THL
2.0
—
—
60
—
75
ns
time
4.5
—
4
12
—
15
6.0
—
—
10
—
13
Input capacitance
Cin
—
—
5
10
—
10
pF
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