74HCT7273 查看數據表（PDF） - Philips Electronics

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产品描述 (功能)

生产厂家

74HCT7273

Octal D-type flip-flop with reset; positive edge-trigger; open drain outputs

Philips Electronics 

Philips Semiconductors

Octal D-type flip-flop with reset; positive

edge-trigger; open drain outputs

Product specification

74HCT7273

PINNING

PIN

1

2, 5, 6, 9, 12, 15, 16, 19

3, 4, 7, 8, 13, 14, 17, 18

10

11

20

SYMBOL

MR

Q0 to Q7

D0 to D7

GND

CP

VCC

DESCRIPTION

asynchronous master reset (active LOW)

flip-flop outputs

data inputs

ground (0 V)

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

DC supply voltage

handbook, halfpage

MR 1

Q0 2

D0 3

D1 4

Q1 5

Q2 6

D2 7

D3 8

Q3 9

GND 10

7273

20 VCC

19 Q7

18 D7

17 D6

16 Q6

15 Q5

14 D5

13 D4

12 Q4

11 CP

MNA380

Fig.1 Pin configuration.

handbook, halfpage 3 4 7 8 13 14 17 18

D0 D1 D2 D3 D4 D5 D6 D7

11 CP

1 MR

Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7

2 5 6 9 12 15 16 19

MNA381

Fig.2 Logic symbol.

1999 Oct 01

4

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