PM6341 E1XC
DATA SHEET
PMC-910419
ISSUE 8
E1 FRAMER/TRANSCEIVER
Table 19
Symbol
- Microprocessor Write Access (Figure 37)
Parameter
Min
Max
Units
ns
tS
tS
tS
Address to Valid Write Set-up Time 25
AW
Data to Valid Write Set-up Time
Address to Latch Set-up Time
Address to Latch Hold Time
Valid Latch Pulse Width
20
15
15
15
0
ns
DW
ALW
ns
tH
ns
ALW
tV
tS
ns
L
Latch to Write Set-up
ns
LW
tH
tH
tH
Latch to Write Hold
13
10
13
40
ns
LW
DW
AW
WR
Data to Valid Write Hold Time
Address to Valid Write Hold Time
Valid Write Pulse Width
ns
ns
tV
ns
Figure 37
- Microprocessor Write AccessTiming
A[7:0]
Valid Address
tS
tH
ALW
ALW
tV
L
tS
tH
LW
LW
ALE
(CSB+WRB)
D[7:0]
tS
tV
tS
tH
AW
AW
WR
tH
DW
DW
Valid Data
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
234
PMC [ PMC-SIERRA, INC ]
