ENCODER

A CLOCK

B CLOCK

6

2

8

7

4

5

8

16

CK-UP

CK-DN

40193

3

A

B

RB

4

5

1

+V

Vss

LS7183

UPCK

DNCK

FIGURE 6A. TYPICAL APPLICATION FOR LS7183 IN x4 MODE

+V

RBIAS

Vss

MODE

ENCODER

A CLOCK

B CLOCK

6

2

8

7

8

16

3

A

B

4

5

1

+V

+V

CK

UP/DN

Vss

15

10

LS7184

RBIAS

4516

CLK

UP/DN

FIGURE 6B. TYPICAL APPLICATION FOR LS7184 WITH MODE SELECTION

10K

RB

Vss

MODE

SPDT (On - Off - On)

7183/84-082301-4

RBIAS vs Tow

R, Mohm

0

20

40

60

80

100

120

140

160

1

2

3

5.1

6.8

8.2

10

RBIAS vs Tow

R, kohm

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

5

10

20

51

100

220

430

750

Figure 4. Bias resistance vs pulse width. R in k

Ω.

Figure 5. Bias resistance vs pulse width. R in M

Ω.