Rev.3.00, Jul.13.2005, page 1 of 6

HD74LS107A

Dual J-K Negative-edge-triggered Flip-Flops (with Clear)

REJ03D0425–0300

Rev.3.00

Jul.13.2005

Features

• Ordering Information

Part Name

Package Type

Package Code

(Previous Code)

Package

Abbreviation

Taping Abbreviation

(Quantity)

HD74LS107AP

DILP-14 pin

PRDP0014AB-B

(DP-14AV)

P

—

HD74LS107AFPEL

SOP-14 pin (JEITA)

PRSP0014DF-B

(FP-14DAV)

FP

EL (2,000 pcs/reel)

Note:

Please consult the sales office for the above package availability.

Pin Arrangement

(Top view)

1CLR

1CK

2K

2CK

2CLR

1J

GND

1

Q

1Q

1K

2Q

2

Q

2J

1

2

3

4

5

6

7

14

8

9

10

11

12

13

CK

CK

Q

CLR J

CLR J

K

K

Q

Q

Q

Function Table

Inputs

Outputs

Clear

Clock

J

K

Q

Q

L

X

X

X

L

H

H

↓

L

L

Q

O

H

↓

H

L

H

L

H

↓

L

H

L

H

H

↓

H

H

Toggle

H

H

X

X

Q

O

Notes: H; high level, L; low level, X; irrelevant

↓; transition from high to low level

Q; level of Q before the indicated steady-state input conditions were established.

Q; complement of Q

Toggle; each output changes to the complement of its previous level on each active transition indicated by

↓.