參數(shù)資料
型號: DM9601
廠商: Electronic Theatre Controls, Inc.
英文描述: USB Ethernet MAC Controller with Intergrated 10/100 PHY
中文描述: USB以太網(wǎng)MAC控制器與集成10/100網(wǎng)卡芯片
文件頁數(shù): 45/58頁
文件大?。?/td> 603K
代理商: DM9601
DM9601
USB to Ethernet MAC Controller with Integrated 10/100 PHY
Preliminary
Version: DM9601-DS-P01
June 22, 2001
45
13.5 AC Electrical Characteristics & Timing Waveforms
13.5.1 TP Interface
Symbol
tTR/F
TTM
TTDC
Parameter
Min.
3.0
0
0
Typ.
---
---
---
Max.
5.0
0.5
0.5
Unit
Conditions
100TX+/- Differential Rise/Fall Time
100TX+/- Differential Rise/Fall Time Mismatch
100TX+/- Differential Output Duty Cycle
Distortion
100TX+/- Differential Output Peak-to-Peak Jitter
100TX+/- Differential Voltage Overshoot
ns
ns
ns
tT/T
XOST
0
0
---
---
1.4
5
ns
%
13.5.2 Oscillator/Crystal Timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
TCKC
OSC Cycle Time
39.998
40
40.002
ns
50ppm
TPWH
OSC Pulse Width High
16
20
24
ns
TPWL
OSC Pulse Width Low
16
20
24
ns
13.5.3 USB Transceiver Interface AC Specification
Symbol
Parameter
Condition
Min
Max
Unit
TFR
Rise time
CL=50pf
4
20
ns
TFF
Fall time
CL=50pf
4
20
ns
Tfrfm
Rise time / Fall time
matching
Output voltage cross point
90
111.1
%
VCRS
1.3
2.0
V
13.5.4 External MII Interface Transmit Timing
TXCK
TXEN
TXD[3:0]
T1
∫∫
∫∫
T2
∫∫
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