HC-5560 데이터 시트보기 (PDF) - Intersil

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HC-5560

PCM Transcoder

Intersil 

Timing Waveforms (Continued)

HC-5560

CLK DEC

AMI AIN

BIN

NRZ DATA OUT

HDB3 AIN

BIN

NRZ DATA OUT

B6ZS AIN

BIN

NRZ DATA OUT

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

B8ZS AIN

BIN

NRZ DATA OUT

4 CYCLES

6 CYCLES

8 CYCLES

S

S

S

S

S

S

S

S

FIGURE 7. DECODE TIMING AND DELAY

Data that appears on AIN and BIN is clocked by the positive edge of CLK DEC, decoded, and zeros are inserted for all valid line

code substitutions. The data then appears in non-return to zero to zero form at output NRZ Data Out. AIN and BIN are

interchangeable.

CLK DEC

AIN

BIN

NRZ DATA

OUT

ERROR

E

EE

FIGURE 8.

The ERROR signal indicates bipolar violations that are not part of a valid substitution.

S

S

S

S

9

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