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參數(shù)資料
| 型號： | HD74HC77 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-bit Bistable Latch |
| 中文描述： | 4位雙穩(wěn)態(tài)鎖存 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 48K |
| 代理商： | HD74HC77 |
HD74HC77
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
Propagation delay t
PLH
time
—
—
105 —
130
ns
D to Q
t
PHL
4.5
—
12
21
—
26
6.0
—
—
18
—
22
2.0
—
—
100 —
125
G to Q
4.5
—
13
20
—
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
—
—
75
—
95
ns
time
4.5
—
5
15
—
19
6.0
—
—
13
—
16
Input capacitance
Cin
—
—
5
10
—
10
pF
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