2

LOGIC SYMBOL

LOGIC DIAGRAM

(14)

CLR

(5)

UP

G1

CT=0

CTRDIV 16

(4)

DOWN

(15)

A

(1)

B

(10)

C

(9)

D

(12)

(3)

(7)

(6)

(2)

3D

(1)

(2)

(4)

(8)

2+

G2

(11)

LOAD

C3

(13)

BO

2CT=0

1-

CO

1CT=15

Note:

1. Logic symbol in accordance with ANSI/IEEE Std 91-1984 and IEC Publi-

cation 617-12.

A

DOWN

UP

CLR

LOAD

(15)

(4)

(5)

(1)

(10)

(9)

(14)

(11)

Q

(7)

(6)

(2)

(3)

(12)

(13)

B

C

D

BO

CO

D

C

B

A

Q

Q

Q

C

Q

R

S

Q

C

Q

R

S

Q

C

Q

R

S

Q

C

Q

R

S

Q