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SL74HC20D 参数 Datasheet PDF下载

SL74HC20D图片预览
型号: SL74HC20D
PDF下载: 下载PDF文件 查看货源
内容描述: 两个4输入与非门 [Dual 4-Input NAND Gate]
分类和应用:
文件页数/大小: 4 页 / 36 K
品牌: SLS [ SYSTEM LOGIC SEMICONDUCTOR ]
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SL74HC20
Dual 4-Input NAND Gate
High-Performance Silicon-Gate CMOS
The SL74HC20 is identical in pinout to the LS/ALS20. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0
µA
High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
SL74HC20N Plastic
SL74HC20D SOIC
T
A
= -55° to 125° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
NC = NO CONNECTION
PIN 14 =V
CC
PIN 7 = GND
PINS 3,11 = NO CONNECTION
FUNCTION TABLE
Inputs
A
L
X
X
X
H
B
X
L
X
X
H
C
X
X
L
X
H
D
X
X
X
L
H
Output
Y
H
H
H
H
L
X = don’t care
SLS
System Logic
Semiconductor