74HC93 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

比赛名单

74HC93

4-bit binary ripple counter

Philips Electronics 

Philips Semiconductors

4-bit binary ripple counter

Product specification

74HC/HCT93

PIN DESCRIPTION

PIN NO.

1

2, 3

4, 6, 7, 13

5

10

12, 9, 8, 11

14

SYMBOL

CP1

MR1, MR2

n.c.

VCC

GND

Q0 to Q3

CP0

NAME AND FUNCTION

clock input 2nd, 3rd and 4th section (HIGH-to-LOW, edge-triggered)

asynchronous master reset (active HIGH)

not connected

positive supply voltage

ground (0 V)

flip-flop outputs

clock input 1st section (HIGH-to-LOW, edge-triggered)

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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