PMC-Sierra, Inc.
PRELIMINARY
PM5381 S/UNI-2488
DATASHEET
PMC-2000489
ISSUE 1
SATURN USER NETWORK INTERFACE FOR 2488 MBIT/S
Table 20: Microprocessor Interface Write Access (Figure 27)
Symbol
Parameter
Min
10
Max
Units
ns
tS
tS
tS
Address to Valid Write Set-up Time
Data to Valid Write Set-up Time
Address to Latch Set-up Time
Address to Latch Hold Time
AW
20
ns
DW
ALW
10
ns
tH
10
ns
ALW
tV
tS
L
Valid Latch Pulse Width
Latch to Write Set-up
5
0
ns
ns
ns
ns
ns
ns
LW
tH
tH
tH
LW
DW
AW
WR
Latch to Write Hold
5
Data to Valid Write Hold Time
Address to Valid Write Hold Time
Valid Write Pulse Width
5
5
tV
40
Figure 27: Intel Microprocessor Interface Write Timing
tSaw
tHaw
A[13:0]
tSalw
tVl
tHalw
tVwr
ALE
(CSB+WRB)
D[15:0]
tSlw
tHlw
tSdw
tHdw
VALID
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PMC [ PMC-SIERRA, INC ]
