PMC-Sierra, Inc.
PRELIMINARY
PM5381 S/UNI-2488
DATASHEET
PMC-2000489
ISSUE 1
SATURN USER NETWORK INTERFACE FOR 2488 MBIT/S
Table 22: Transmit System Interface Timing (Figure 29)
Symbol
Description
TFCLK Frequency
Min
60
Max
Units
MHz
ns
f
104
TFCLK
tHI
TFCLK HI Pulse Width
TFCLK LO pulse Width
TENB Set-up time to TFCLK
3.85
3.85
2
TFCLK
tLO
tS
ns
TFCLK
ns
TENB
tH
tS
TENB Hold time to TFCLK
0.5
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
TENB
TSOC/TSOP Set-up time to TFCLK
TSOC/TSOP Hold time to TFCLK
TEOP Set-up time to TFCLK
TEOP Hold time to TFCLK
TSOP
tH
0.5
2
TSOP
TEOP
tS
tH
tS
0.5
2
TEOP
TPRTY Set-up time to TFCLK
TPRTY Hold time to TFCLK
TERR Set-up time to TFCLK
TERR Hold time to TFCLK
TPRTY
tH
0.5
2
TPRTY
tS
TERR
tH
tS
0.5
2
TERR
TDAT[31:0] Set-up time to TFCLK
TDAT[31:0] Hold time to TFCLK
TMOD[1:0] Set-up time to TFCLK
TMOD[1:0] Hold time to TFCLK
TFCLK High to TCA/DTPA Valid
TDAT
tH
0.5
2
TDAT
tS
TMOD
tH
0.5
1
TMOD
tP
5
TPA
Proprietary and Confidentail to PMC-Sierra Inc., and for its Customer’s Internal Use
459
PMC [ PMC-SIERRA, INC ]
