Rev.2.00, Oct 06, 2005 page 1 of 7

HD74HC73

Dual J-K Flip-Flops (with Clear)

REJ03D0548-0200

(Previous ADE-205-420)

Rev.2.00

Oct 06, 2005

Description

The flip-flop is edge sensitive to the clock input and change state on the negative going transition of the clock pulse.

Each flip-flop has independent, J, K, clock, and clear inputs and Q and Q outputs. Clear is independent of the clock and

accomplished by a low level on the input.

Features

• High Speed Operation: t

• High Output Current: Fanout of 10 LSTTL Loads

• Wide Operating Voltage: V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: I

• Ordering Information

Part Name

Package Type

Package Code

(Previous Code)

Package

Abbreviation

Taping Abbreviation

(Quantity)

HD74HC73P

DILP-14 pin

PRDP0014AB-B

(DP-14AV)

P

—

HD74HC73FPEL

SOP-14 pin (JEITA)

PRSP0014DF-B

(FP-14DAV)

FP

EL (2,000 pcs/reel)

HD74HC73RPEL

SOP-14 pin (JEDEC)

PRSP0014DE-A

(FP-14DNV)

RP

EL (2,500 pcs/reel)

Note:

Please consult the sales office for the above package availability.

Function Table

Inputs

Outputs

Clear

Clock

J

K

Q

Q

L

X

X

X

L

H

H

L

L

No change

H

L

H

L

H

H

H

L

H

L

L

H

H

Toggle

H

L

X

X

No change

H

H

X

X

No change

H

X

X

No change

H :

High level

L :

Low level

X :

Irrelevant