參數(shù)資料
型號: AM79C875KI
廠商: ADVANCED MICRO DEVICES INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: NetPHY⑩ 4LP Low Power Quad 10/100-TX/FX Ethernet Transceiver
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP100
封裝: 14 X 20 MM, PLASTIC, QFP-100
文件頁數(shù): 39/48頁
文件大?。?/td> 2480K
代理商: AM79C875KI
Am79C875
39
SWITCHING CHARACTERISTICS
System Clock Signal
Symbol
Parameter Description
Min.
Max.
Unit
t
CLK
t
CLKH
t
CLKL
t
CLR
t
CLF
REFCLK Period
19.999
20.001
ns
REFCLK Width HIGH
9
11
ns
REFCLK Width LOW
9
11
ns
REFCLK Rise Time
-
5
ns
REFCLK Fall Time
-
5
ns
Notes:
1. Parametric values are the same for Commercial and Industrial devices.
t
CLR
80%
20%
t
CLF
t
CLKH
t
CLKL
t
CLK
TX_CLK
22236G-18
Figure 16. Clock Signal
MLT-3 Signals
Symbol
Parameter Description
Min.
Max.
Unit
t
TXR
t
TXF
t
TXRFS
t
TXDCD
t
TXJ
Rise Time of MLT-3 Signal
3.0
5.0
ns
Fall Time of MLT-3 Signal
3.0
5.0
ns
Rise Time and Fall Time Symmetry of MLT-3 Signal
-
5
%
Duty Cycle Distortion Peak to Peak
-
0.5
ns
Transmit Jitter Using Scrambled Idle Signals
-
1.4
ns
t
TXR
t
TXF
16 ns
TX
±
t
XTDCD
t
XTDCD
1
0
1
0
1
0
1
22236G-19
Figure 17. MLT-3 Test Waveform
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