參數(shù)資料
型號: 78Q2120-CGT
廠商: Electronic Theatre Controls, Inc.
英文描述: 10/100BASE-TX Ethernet Transceiver
中文描述: 10/100BASE-TX以太網(wǎng)收發(fā)器
文件頁數(shù): 20/33頁
文件大?。?/td> 200K
代理商: 78Q2120-CGT
78Q2120
10/100BASE-TX
Ethernet Transceiver
ELECTRICAL SPECIFICATIONS
(continued)
20
DIGITAL TIMING CHARACTERISTICS
TRANSMIT INPUTS TO THE 78Q2120
MII TRANSMIT INTERFACE
CHARACTERISTICS
SYMBOL
CONDITIONS
MIN
NOM
MAX
UNIT
Setup Time: TX_CLK to
TXD[3:0], TX_EN, TX_ER
TX
SU
15
ns
Hold Time: TX_CLK to
TXD[3:0], TX_EN, TX_ER
TX
HD
0
ns
CKIN-to-TX_CLK Delay
T
CKIN
20
35
ns
TX_CLK Duty-Cycle
40
60
%
RECEIVE OUTPUTS FROM THE 78Q2120
MII RECEIVE INTERFACE
CHARACTERISTICS
SYMBOL
CONDITIONS
MIN
NOM
MAX
UNIT
Receive Output Delay:
RX_CLK to RXD[3:0],
RX_DV, RX_ER
RX
DLY
10
30
ns
RX_CLK Duty-Cycle
40
60
%
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