LS7082 View Datasheet(PDF) - LSI Computer Systems

Part Name

Description

MFG CO.

LS7082

QUADRATURE CLOCK CONVERTER

LSI Computer Systems 

1 2 3 4

TPW

A

B

TPS

INDX

UPCK (x1)

DNCK (x1)

TDS

Tow

UPCK (x2)

DNCK (x2)

UPCK (x4)

DNCK (x4)

INDX

TDS

UP/DN

FIGURE 2. LS7082 INPUT/OUTPUT TIMING DIAGRAM

RBIAS 3

CURRENT

MIRROR

A5

B9

INDX 2

x4/x1 10

x2 8

V DD 1

V SS 4

FILTER

FILTER

+V

-V

7082-100100-3

DUAL

ONE-SHOT

DUAL

ONE-SHOT

CLOCK

AND

DIRECTION

DECODE

x2 CLOCK

MUX

FIGURE 3. LS7082 BLOCK DIAGRAM

14 INDX

11 UP/DN

13

12

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