74HC574 Просмотр технического описания (PDF) - NXP Semiconductors.

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74HC574

Octal D-type flip-flop; positive edge-trigger; 3-state

NXP Semiconductors. 

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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