參數(shù)資料
型號(hào): HD74HC182
廠商: Hitachi,Ltd.
英文描述: Look-Ahead Carry Generator
中文描述: 超前卡里發(fā)生器
文件頁(yè)數(shù): 5/9頁(yè)
文件大?。?/td> 56K
代理商: HD74HC182
HD74HC182
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
Pn
to
P
Propagation delay t
PLH
time
140 —
175
ns
t
PHL
4.5
11
28
35
6.0
24
30
2.0
150 —
190
ns
Cn to output
4.5
15
30
38
6.0
26
33
2.0
185 —
230
ns
Pn
or
Gn
to output
4.5
17
37
46
6.0
31
39
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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