PM7344 S/UNI-MPH
DATA SHEET
PMC-950449
ISSUE 6
MULTI-PHY USER NETWORK INTERFACE
Table 16
- Transmit Cell Interface Timing (Figure 48)
Symbol
Description
Min
Max
Units
%
tDTFCLK
5
40
60
TFCLK Duty Cycle
tS
TWRENB[x] Set-up time to TFCLK 10
ns
TWRENB
(or TWA[1:0], TWRMPHB if
1
MPHEN = 1)
tH
TWRENB Hold time to TFCLK (or
1
ns
TWRENB
TWA[1:0], TWRMPHB if
2
MPHEN = 1)
t
t
t
t
t
t
t
1
10
1
ns
ns
ns
ns
ns
ns
ns
S
TDAT[7:0] Set-up time to TFCLK
TDAT
2
H
S
TDAT[7:0] Hold time to TFCLK
TDAT
1
10
1
TXPRTY Set-up time to TFCLK
TXPRTY
2
H
TXPRTY Hold time to TFCLK
TXPRTY
TSOC
1
10
1
S
TSOC Set-up time to TFCLK
2
H
TSOC Hold time to TFCLK
TSOC
TCA
TFCLK High to TCA Valid (and
4
25
P
7,8
TCAMPH if MPHEN=1)
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
269
PMC [ PMC-SIERRA, INC ]
