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KK74AC21 PDF预览

KK74AC21

更新时间: 2024-09-25 05:11:27
品牌 Logo 应用领域
可天士 - KODENSHI
页数 文件大小 规格书
5页 278K
描述
Dual 4-Input AND Gate High-Speed Silicon-Gate CMOS

KK74AC21 数据手册

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TECHNICAL DATA  
KK74AC21  
Dual 4-Input AND Gate  
High-Speed Silicon-Gate CMOS  
The KK74AC21 is identical in pinout to the LS/ALS21, HC/HCT21.  
The device inputs are compatible with standard CMOS outputs; with  
pullup resistors, they are compatible with LS/ALS outputs.  
Outputs Directly Interface to CMOS, NMOS, and TTL  
Operating Voltage Range: 2.0 to 6.0 V  
Low Input Current: 1.0 µA; 0.1 µA @ 25°C  
High Noise Immunity Characteristic of CMOS Devices  
Outputs Source/Sink 24 mA  
ORDERING INFORMATION  
KK74AC21N Plastic  
KK74AC21D SOIC  
TA = -40° to 85° C for all packages  
LOGIC DIAGRAM  
PIN ASSIGNMENT  
NC = NO CONNECTION  
FUNCTION TABLE  
PIN 14 =VCC  
PIN 7 = GND  
Inputs  
Output  
PINS 3,11 = NO CONNECTION  
A
L
B
X
L
C
X
X
L
D
X
X
X
L
Y
L
L
L
L
H
X
X
X
H
X
X
H
X
H
H
X = don’t care  
1

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