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參數(shù)資料
| 型號： | HD74HC155 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Dual 4-Input Positive-AND Gates 14-CDIP -55 to 125 |
| 中文描述： | 雙路2至4行解碼器/解復用器 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 49K |
| 代理商： | HD74HC155 |
HD74HC155
5
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
—
—
160 —
200
ns
A, B, 2C, 1G or 2G to Y
t
PHL
4.5
—
13
32
—
40
6.0
—
—
27
—
34
2.0
—
—
160 —
200
A or B to Y
4.5
—
15
32
—
40
6.0
—
—
27
—
34
2.0
—
—
145 —
180
1C to Y
4.5
—
14
29
—
36
6.0
—
—
25
—
31
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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