PMC-Sierra, Inc.

 

 

PM5349 S/UNI-QUAD

 

S/UNI-QUAD

 

 

 

 

 

 

 

 

 

 

 

 

DATASHEET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PMC-971239

 

ISSUE 6

SATURN USER NETWORK INTERFACE (155-QUAD)

 

 

 

 

 

 

 

 

 

18.3 ATM System Interface Timing

 

 

 

 

 

 

 

Table 18: Transmit ATM System Interface Timing (Figure 27)

 

 

 

 

 

 

 

 

 

 

 

Symbol

Description

 

Min

Max

Units

 

 

 

 

 

 

 

 

 

 

fTFCLK

TFCLK Frequency

 

 

50

MHz

 

 

DTFCLK

TFCLK Duty Cycle

 

40

60

%

 

 

tSTENB

TENB Set-up time to TFCLK

 

3

 

ns

 

 

tHTENB

TENB Hold time to TFCLK

 

0

 

ns

 

 

tSTADR

TADR[4:0] Set-up time to TFCLK

 

3

 

ns

 

 

tHTADR

TADR[4:0] Hold time to TFCLK

 

0

 

ns

 

 

tSTDAT

TDAT[15:0] Set-up time to TFCLK

 

3

 

ns

 

 

tHTDAT

TDAT[15:0] Hold time to TFCLK

 

0

 

ns

 

 

tSTPRTY

TPRTY Set-up time to TFCLK

 

3

 

ns

 

 

tHTPRTY

TPRTY Hold time to TFCLK

 

0

 

ns

 

 

tSTSOC

TSOC Set-up time to TFCLK

 

3

 

ns

 

 

tHTSOC

TSOC Hold time to TFCLK

 

0

 

ns

 

 

tPDTCA

TFCLK High to DTCA[4:1] Valid

 

1

12

ns

 

 

tPTCA

TFCLK High to TCA Valid

 

1

12

ns

 

 

tZTCA

TFCLK High to TCA Tri-state

 

1

10

ns

 

 

tZBTCA

TFCLK High to TCA Driven

 

0

 

ns

 

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use

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PMC-Sierra PM5349 manual Tfclk Frequency MHz, Tfclk Duty Cycle, Tenb Set-up time to Tfclk, Tenb Hold time to Tfclk