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TC9208M
Preliminary Data Sheet
12 Timing Requirements
12.1
GMII / MII Receive Timing Requirements
Symbol
Description
Min.
Typ.
Max.
Unit
Rx_Clk
Receive clock period GMII
-
8
-
ns
Rx_Clk
Receive clock period MII
-
40
-
ns
TsRx_Clk
RxDv, RxData to Rx_Clk rising setup time
2
-
-
ns
ThRx_Clk
RxDv, RxData to Rx_Clk rising hold time
0.5
-
-
ns
G MII / MII R eceive
Rx_C lk
RxDv
RxData
TsRx_Clk
T hRx_Clk
TRx_Clk
12.2
GMII / MII Transmit Timing
Symbol
Description
Min.
Typ.
Max.
Unit
TTx_Clk
Transmit clock period GMII
-
8
-
ns
TTx_Clk
Transmit clock period MII
-
40
-
ns
TdTx_Clk
Tx_En, TxData to Tx_Clk rising delay
1
-
4
ns
GMII / MII Transmit
TdTx_Clk
Tx_Clk
Tx_En
TxData
TTx_Clk
Confidential.
49/53
August 1, 2003
Copyright © 2003, IC Plus Corp.
TC9208M-DS-R06