KS8737 Micrel Inc, KS8737 Datasheet - Page 21

• Manufacturer Part Number: KS8737
• Manufacturer: Micrel Inc

Specifications of KS8737

• Lead Free Status / RoHS Status: Not Compliant

Timing Diagrams
Symbol
t
t
t
t
t
t
t
t
t
August 2003
KS8737
SU1
SU2
HD1
HD2
CRS1
CRS2
LAT
SQE
SQEP
Parameter
TXD [3:0] Set-Up to TXC High
TXEN Set-Up to TXC High
TXD [3:0] Hold After TXC High
TXEN Hold After TXC High
TXEN High to CRS Asserted Latency
TXEN Low to CRS De-Asserted Latency
TXEN High to TXP/TXM Output (TX Latency)
COL (SQE) Delay Aftter TXEN Ae-Asserted
COL (SQE) Pulse Duration
TXC
TXEN
TXD[3:0],
TXER
CRS
TXP/TXM
Table 2. 10BaseT MII Transmit Timing Parameters
t
t
Data
In
SU2
SU1
Figure 1. 10BaseT MII Transmit Timing
t
CRS1
t
LAT
t
t
HD2
HD1
Symbol
Out
21
t
CRS2
Min
10
10
0
0
Typ
1.5
1.0
Max
2
5
3
KS8737
Micrel
Units
BT
BT
BT
ns
ns
ns
ns
s
s