74HCT139D View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
74HCT139D Datasheet PDF : 7 Pages
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Philips Semiconductors
Dual 2-to-4 line decoder/demultiplexer
PIN DESCRIPTION
PIN NO.
1, 15
2, 3
4, 5, 6, 7
8
12, 11, 10, 9
14, 13
16
SYMBOL
1E, 2E
1A0, 1A1
1Y0 to 1Y3
GND
2Y0 to 2Y3
2A0, 2A1
VCC
NAME AND FUNCTION
enable inputs (active LOW)
address inputs
outputs (active LOW)
ground (0 V)
outputs (active LOW)
address inputs
positive supply voltage
Product speciļ¬cation
74HC/HCT139
Fig.1 Pin configuration.
Fig.2 Logic symbol.
(a)
(b)
Fig.3 IEC logic symbol.
September 1993
3
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