74HC688 データシートの表示（PDF） - Philips Electronics
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74HC688 Datasheet PDF : 7 Pages
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Philips Semiconductors
8-bit magnitude comparator
PIN DESCRIPTION
PIN NO.
1
2, 4, 6, 8, 11, 13, 15, 17
3, 5, 7, 9, 12, 14, 16, 18
10
19
20
SYMBOL
E
P0 to P7
Q0 to Q7
GND
P=Q
VCC
Product specification
74HC/HCT688
NAME AND FUNCTION
enable input (active LOW)
word inputs
word inputs
ground (0 V)
equal to output
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3
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