參數(shù)資料
型號： 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
文件頁數(shù)： 2/9頁
文件大?。?/td> 56K
代理商： HD74HC182
HD74HC182
2
Features
High Speed Operation: t
pd
(Pn to P) = 11 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
Pin Designations
Item
Pin No.
Functions
G
0
, G
1
, G
2
, G
3
P
0
, P
1
, P
2
, P
3
C
n
C
n+x
, C
n+y
, C
n+z
G
P
3, 1, 14, 5
Active-low carry generate inputs
4, 2, 15, 6
Active-low carry propagate inputs
13
Carry input
12, 11, 9
Carry outputs
10
Active-low carry propagate output
7
Active-low carry propagate output
V
CC
GND
16
Supply voltage
8
Ground
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