B

UPCK

(x1/7083)

DNCK

(x1/7083)

UPCK

(x4/7083)

CLK

(x1/7084)

DNCK

(x4/7083)

CLK

(x4/7084)

UP/DN

(7084)

A

FIGURE 2. LS7083/LS7084 INPUT/OUTPUT TIMING DIAGRAM

CLOCK

AND

DIRECTION

DECODE

DUAL

ONE-SHOT

DUAL

ONE-SHOT

CURRENT

MIRROR

FILTER

FILTER

A

B

x4/x1

MUX

x4 CLOCK

x1 CLOCK

UP/DN

8

7

UPCK or CLK

DNCK or UP/DN

1

4

5

6

2

3

FIGURE 3. LS7083/LS7084 BLOCK DIAGRAM

RBIAS

+V

-V

7083/84-100100-3

The information included herein is believed to be

accurate and reliable. However, LSI Computer Systems,

Inc. assumes no responsibilities for inaccuracies, nor for

any infringements of patent rights of others which may

result from its use.