74HC574 データシートの表示（PDF） - NXP Semiconductors.
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コンポーネント説明
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74HC574 Datasheet PDF : 7 Pages
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Philips Semiconductors
Octal D-type flip-flop; positive edge-trigger;
3-state
Product specification
74HC/HCT574
PIN DESCRIPTION
PIN NO.
1
2, 3, 4, 5, 6, 7, 8, 9
10
11
19, 18, 17, 16, 15, 14, 13, 12
20
SYMBOL
OE
D0 to D7
GND
CP
Q0 to Q7
VCC
NAME AND FUNCTION
3-state output enable input (active LOW)
data inputs
ground (0 V)
clock input (LOW-to-HIGH, edge-triggered)
3-state flip-flop outputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3
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