ZL50120 Zarlink, ZL50120 Datasheet - Page 78

• Manufacturer Part Number: ZL50120
• Description: 32 / 64 / 128 Channel CESoP Processors
• Manufacturer: Zarlink

12.6.3
GTXCLK period
GTXCLK high time
GTXCLK low time
GTXCLK rise time
GTXCLK fall time
GTXCLK rise to TXD[7:0]
active delay
GTXCLK rise to TXEN active
delay
GTXCLK rise to TXER active
delay
GTXCLK
TXD[3:0]
GMII Transmit Timing
Parameter
TXEN
TXER
t
t
EV
DV
Table 32 - GMII Transmit Timing - 1000 Mbps
Symbol
Figure 34 - GMII Transmit Timing Diagram
t
t
t
t
t
GCH
GCR
GCF
t
t
GCL
t
GC
DV
EV
ER
ZL50115/16/17/18/19/20
Zarlink Semiconductor Inc.
t
ER
Min.
7.5
2.5
2.5
1.5
2
1
-
-
t
CC
78
1000 Mbps
Typ.
-
-
-
-
-
-
-
-
t
ER
t
CL
Max.
8.5
1
1
6
6
6
-
-
t
CH
t
EV
Units
ns
ns
ns
ns
ns
ns
ns
ns
Load = 25 pF
Load = 25 pF
Load = 25 pF
Data Sheet
Notes