參數(shù)資料
型號(hào)： LAN8700
廠商： SMSC Corporation
英文描述： 【15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR TM in a Small Footprint
中文描述： 【15kV的ESD保護(hù)信息產(chǎn)業(yè)部/ RMII快速的HP Auto - MDIX功能和SMSC flexPWR商標(biāo)以太網(wǎng)PHY在小尺寸
文件頁數(shù)： 69/73頁
文件大?。?/td> 457K
代理商： LAN8700
±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR
TM
in a Small Footprint
Datasheet
SMSC LAN8700/LAN8700I
69
Revision 1.0 (02-09-07)
DATASHEET
Note:
For VDDIO operation below +2.5V, SMSC recommends designs add external strapping
resistors in addition the internal strapping resistors to ensure proper strapped operation.
Note 7.4
Measured at the line side of the transformer, line replaced by 100
Ω
(± 1%) resistor.
Note 7.5
Offset from 16 nS pulse width at 50% of pulse peak
Note 7.6
Measured differentially.
Note 7.7
Min/max voltages guaranteed as measured with 100
Ω
resistive load.
Table 7.12 100Base-TX Transceiver Characteristics
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Peak Differential Output Voltage High
V
PPH
950
-
1050
mVpk
Note 7.4
Peak Differential Output Voltage Low
V
PPL
-950
-
-1050
mVpk
Note 7.4
Signal Amplitude Symmetry
V
SS
98
-
102
%
Note 7.4
Signal Rise & Fall Time
T
RF
3.0
-
5.0
nS
Note 7.4
Rise & Fall Time Symmetry
T
RFS
-
-
0.5
nS
Note 7.4
Duty Cycle Distortion
D
CD
35
50
65
%
Note 7.5
Overshoot & Undershoot
V
OS
-
-
5
%
Jitter
1.4
nS
Note 7.6
Table 7.13 10BASE-T Transceiver Characteristics
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Transmitter Peak Differential Output Voltage
V
OUT
2.2
2.5
2.8
V
Note 7.7
Receiver Differential Squelch Threshold
V
DS
300
420
585
mV
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