74HCT74 查看數據表（PDF） - Philips Electronics

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74HCT74

Dual D-type flip-flop with set and reset; positive-edge trigger

Philips Electronics 

Philips Semiconductors

Dual D-type flip-flop with set and reset;

positive-edge trigger

FUNCTION TABLES

Table 1 See note 1

INPUT

SD

RD

CP

D

L

H

X

X

H

L

X

X

L

L

X

X

Table 2 See note 1

INPUT

SD

RD

CP

D

H

H

↑

L

H

H

↑

H

Note

1. H = HIGH voltage level;

L = LOW voltage level;

X = don’t care;

↑ = LOW-to-HIGH CP transition;

Qn+1 = state after the next LOW-to-HIGH CP transition.

ORDERING INFORMATION

TYPE NUMBER

74HC74N

74HCT74N

74HC74D

74HCT74D

74HC74DB

74HCT74DB

74HC74PW

74HCT74PW

74HC74BQ

74HCT74BQ

TEMPERATURE

RANGE

−40 to +125 °C

−40 to +125 °C

−40 to +125 °C

−40 to +125 °C

−40 to +125 °C

−40 to +125 °C

−40 to +125 °C

−40 to +125 °C

−40 to +125 °C

−40 to +125 °C

PINS

14

14

14

14

14

14

14

14

14

14

PACKAGE

PACKAGE

DIP14

DIP14

SO14

SO14

SSOP14

SSOP14

TSSOP14

TSSOP14

DHVQFN14

DHVQFN14

Product specification

74HC74; 74HCT74

OUTPUT

Q

Q

H

L

L

H

H

H

OUTPUT

Qn+1

Qn+1

L

H

H

L

MATERIAL

plastic

plastic

plastic

plastic

plastic

plastic

plastic

plastic

plastic

plastic

CODE

SOT27-1

SOT27-1

SOT108-1

SOT108-1

SOT337-1

SOT337-1

SOT402-1

SOT402-1

SOT762-1

SOT762-1

2003 Jul 10

3

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