74HC20N 查看數據表（PDF） - Philips Electronics
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74HC20N Datasheet PDF : 6 Pages
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Philips Semiconductors
Dual 4-input NAND gate
PIN DESCRIPTION
PIN NO.
1, 9
2, 10
3, 11
4, 12
5, 13
6, 8
7
14
SYMBOL
1A, 2A
1B, 2B
n.c.
1C, 2C
1D, 2D
1Y, 2Y
GND
VCC
NAME AND FUNCTION
data inputs
data inputs
not connected
data inputs
data inputs
data outputs
ground (0 V)
positive supply voltage
Product specification
74HC/HCT20
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3
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