参数资料
型号: WJLXT971ALE.A4-857346
厂商: CORTINA SYSTEMS INC
元件分类: 网络接口
英文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件页数: 48/80页
文件大小: 931K
代理商: WJLXT971ALE.A4-857346
Page 52
Cortina Systems LXT972A Single-Port 10/100 Mbps PHY Transceiver
LXT972A PHY
Datasheet
249186, Revision 5.2
13 September 2007
7.1 DC Electrical Parameters
Hard Power Down
ICC
––
1
mA
Soft Power Down
Icc
51
mA
Auto-Negotiation
ICC
90
110
mA
Table 22
Digital I/O Characteristics (Except for MII, XI/XO, and LED/CFG Pins)
Parameter
Sym
Min
Typ1
Max
Units
Test Conditions
Input Low voltage
VIL
––
0.8
V
Input High voltage
VIH
2.0
V
Input current
II
-10
10
μA
0.0 < VI < VCC
Output Low voltage
VOL
––
0.4
V
IOL = 4 mA
Output High voltage
VOH
2.4
V
IOH = -4 mA
1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production
testing.
Table 23
Digital I/O Characteristics1 - MII Pins
Parameter
Sym
Min
Typ2
Max
Units
Test Conditions
Input Low voltage
VIL
––
0.8
V
Input High voltage
VIH
2.0
V
Input current
II
-10
10
μA
0.0 < VI < VCCIO
Output Low voltage
VOL
––
0.4
V
IOL = 4 mA
Output High voltage
VOH
2.2
V
IOH = -4 mA, VCCIO = 3.3 V
VOH
2.0
V
IOH = -4 mA, VCCIO = 2.5 V
Driver output resistance
(Line driver output
enabled)
RO3
100
Ω
VCCIO = 2.5 V
RO3
100
Ω
VCCIO = 3.3 V
1. MII digital I/O pins are tolerant to 5 V inputs.
2. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production
testing.
3. Parameter is guaranteed by design and not subject to production testing.
Table 21
Recommended Operating Conditions (Sheet 2 of 2)
Parameter
Sym
Min
Typ1
Max
Units
1. Typical values are at 25 °C and are for design aid only, not guaranteed, and not subject to production
testing.
2. Voltages are with respect to ground unless otherwise specified.
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