PMC-Sierra, Inc.
PRELIMINARY
PM5381 S/UNI-2488
DATASHEET
PMC-2000489
ISSUE 1
SATURN USER NETWORK INTERFACE FOR 2488 MBIT/S
19.1 APS Port Interface
Symbol
Description
Min
Typical
Max
Units
f
APSI+/-[4:1], APSO+/-[4:1] Bit Rate
5fSYSCLK
-
5fSYSCLK
5fSYSCLK
-
Mbps
RLVDS
100ppm
100ppm
t
V
fall time, 80%-20%, (R
=100Ω
=100Ω
200
300
300
400
ps
ps
ps
FALL
ODM
LOAD
±1%)
t
V
ODM
rise time, 20%-80%, (R
LOAD
200
400
50
RISE
±1%)
t
Differential Skew
SKEW
Table 23: JTAG Port Interface (Figure 30)
Symbol
Description
Min
Max
Units
f
TCK Frequency
4
MHz
ns
TCK
tHI
TCK HI Pulse Width
TCK LO Pulse Width
TMS Set-up time to TCK
TMS Hold time to TCK
TDI Set-up time to TCK
TDI Hold time to TCK
TCK Low to TDO Valid
TRSTB Pulse Width
100
100
25
TCK
tHI
ns
TCK
tS
ns
TMS
tH
25
ns
TMS
tS
25
ns
TDI
tH
25
ns
TDI
tP
2
25
ns
TDO
tV
100
ns
TRSTB
Proprietary and Confidentail to PMC-Sierra Inc., and for its Customer’s Internal Use
461
PMC [ PMC-SIERRA, INC ]
