參數(shù)資料
型號: 1894-40KLFT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: DATACOM, INTERFACE CIRCUIT, QCC40
封裝: 6 X 6 MM, ROHS COMPLIANT, QFN-40
文件頁數(shù): 35/52頁
文件大?。?/td> 459K
代理商: 1894-40KLFT
ICS1894-40
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
IDT / ICS 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE 40
ICS1894-40
REV C 092909
100M MII: Carrier Assertion/De-Assertion (Half-Duplex Transmission)
The table below lists the significant time periods for the 100M MII carrier assertion/de-assertion during half-duplex
transmission. The time periods consist of timings of signals on the following pins:
TXEN
TXCLK
CRS
The 100M MII Carrier Assertion/De-Assertion Timing Diagram (Half-Duplex Transmission Only) shows the timing
diagram for the time periods.
100M MII Carrier Assertion/De-Assertion Timing Diagram (Half-Duplex Transmission Only)
Time
Period
Parameter
Conditions
Min.
Typ.
Max.
Units
t1
TXEN Sampled Asserted to CRS Assert
0
3
4
Bit times
t2
TXEN De-Asserted to CRS De-Asserted
0
3
4
Bit times
t2
t1
TXEN
TXCLK
CRS
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