74HCT238PW 查看數據表（PDF） - Philips Electronics
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74HCT238PW Datasheet PDF : 7 Pages
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Philips Semiconductors
3-to-8 line decoder/demultiplexer
PIN DESCRIPTION
PIN NO.
1, 2, 3
4, 5
6
8
15, 14, 13, 12, 11, 10, 9, 7
16
SYMBOL
A0 to A2
E1, E2
E3
GND
Y0 to Y7
VCC
NAME AND FUNCTION
address inputs
enable inputs (active LOW)
enable input (active HIGH)
ground (0 V)
outputs (active HIGH)
positive supply voltage
Product specification
74HC/HCT238
Fig.1 Pin configuration.
Fig.2 Logic symbol.
(a)
(b)
Fig.3 IEC logic symbol.
December 1990
3
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