參數(shù)資料
型號: HD74HC541
廠商: Hitachi,Ltd.
英文描述: Octal Buffers/Line Drivers (with 3-state outputs)
中文描述: 八路緩沖器/線路驅動器(3態(tài)輸出)
文件頁數(shù): 5/9頁
文件大?。?/td> 51K
代理商: HD74HC541
HD74HC540/HD74HC541
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
100 —
125
ns
(HD74HC540 only)
t
PHL
4.5
11
20
25
6.0
17
21
t
PLH
t
PHL
2.0
115 —
145
ns
(HD74HC541 only)
4.5
12
23
29
6.0
20
25
Output enable
t
ZH
t
ZL
2.0
150 —
190
ns
time
4.5
14
30
38
6.0
26
33
Output disable
t
HZ
t
LZ
2.0
150 —
190
ns
time
4.5
16
30
38
6.0
26
33
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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