74HC147D データシートの表示（PDF） - Philips Electronics
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74HC147D Datasheet PDF : 7 Pages
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Philips Semiconductors
10-to-4 line priority encoder
PIN DESCRIPTION
PIN NO.
8
9, 7, 6, 14
11, 12, 13, 1, 2, 3, 4, 5, 10
15
16
SYMBOL NAME AND FUNCTION
GND
ground (0 V)
Y0 to Y3
A0 to A8
n.c.
BCD address outputs (active LOW)
decimal data inputs (active LOW)
not connected
VCC
positive supply voltage
Product specification
74HC/HCT147
Fig.1 Pin configuration.
Fig.2 Logic symbol.
December 1990
Fig.3 IEC logic symbol.
3
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