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參數(shù)資料
| 型號： | HD74HC279 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Bus Transceivers With 3-State Outputs 20-CDIP -55 to 125 |
| 中文描述： | 四。簡鎖存 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 59K |
| 代理商： | HD74HC279 |
HD74HC279
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
S
to Q
Propagation delay t
PLH
time
—
—
130 —
165
ns
t
PHL
4.5
—
10
26
—
33
6.0
—
—
22
—
28
t
PHL
2.0
—
—
120 —
150
ns
R
to Q
4.5
—
12
24
—
30
6.0
—
—
20
—
26
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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