LS7060C 데이터 시트보기 (PDF) - LSI Corporation

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LS7060C

32 BIT BINARY UP COUNTER WITH BYTE MULTIPLEXED THREE-STATE OUTPUTS

LSI Corporation  

RESET

COUNT

LOAD

tRPW

tRR + tCPW

tRSCR

tCPW

tCR

tRSCPW

FIGURE 4. COUNTER TIMING DIAGRAM

tRPW

tRR+tCPW

tCPW

ENABLE

SCAN RESET

SCAN

A

CE

EN SC RESET SC

OUTPUT DATA BUS

B

CE

EN SC RESET SC

C

CE

EN SC RESET SC

END OF SCAN

FIGURE 5. ILLUSTRATION OF A 3 DEVICE CASCADE

SCAN RESET

ENABLE

SCAN

CASCADE ENABLE A

CASCADE ENABLE B

CASCADE ENABLE C

(END OF SCAN)

DATA BYTE ON BUS

PACKAGE

7060C/61C-121901-5

12 3

4

5

1

23

45

123

45

A

B

C

FIGURE 6. TIMING DIAGRAM FOR THE 3 DEVICE CASCADE

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