ip1718lf ETC-unknow, ip1718lf Datasheet - Page 30

• Manufacturer Part Number: ip1718lf
• Description: 18-port 10/100mbps Smart Switch Controller
• Manufacturer: ETC-unknow

CPU Serial Bus Timing
MII Transmit Timing
Copyright © 2003, IC Plus Corp.
T
T
T
T
S_C
SIO_SU
SIO_H
SIO_D
T X E N , T X D [3:0 ]
Symbol
Symbol
T
T
T
T
TxClk_SU
TxClk_H
TxClk
TxClk
M II_T X C LK
SCPUIO
(Output)
SCPUC
SCPUC cycle time
Serial I/O set up time
Serial I/O hold time
Serial I/O output delay time
Transmit clock period 100Mbps MII
Transmit clock period 10Mbps MII
TXEN, TXD to MII_TXCLK setup time
TXEN, TXD to MII_TXCLK hold time
SCPUIO
SCPUC
(Input)
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SIO_SU
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Description
Description
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T
T xC lk _S U
S_C
Serial I/O Input Cycle
Serial I/O Output Cycle
T
SIO_H
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T
SIO_D
30/33
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T
T xC lk_H
T xC lk
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400
10
10
Min.
Min.
0.5
2
-
-
Preliminary Data Sheet
-
-
-
Typ.
Typ.
400
40
-
-
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-
-
20
IP1718 LF-DS-R05
Max.
Max.
IP1718 LF
January 27, 2005
-
-
-
-
ns
ns
ns
ns
Unit
Unit
ns
ns
ns
ns