74HC393 Просмотр технического описания (PDF) - Philips Electronics

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74HC393

Dual 4-bit binary ripple counter

Philips Electronics 

Philips Semiconductors

Dual 4-bit binary ripple counter

PIN DESCRIPTION

PIN NO.

1, 13

2, 12

3, 4, 5, 6, 11, 10, 9, 8

7

14

SYMBOL

1CP, 2CP

1MR, 2MR

1Q0 to 1Q3, 2Q0 to 2Q3

GND

VCC

Product specification

74HC/HCT393

NAME AND FUNCTION

clock inputs (HIGH-to-LOW, edge-triggered)

asynchronous master reset inputs (active HIGH)

flip-flop outputs

ground (0 V)

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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