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Advanced 10/100 Unmanaged Repeater — LXT9883/9863

Datasheet

Document #: 249115

Revision #: 003

Rev. Date: 08/07/01

Table 4.

Twisted-Pair Port Signal Descriptions

Symbol

Type1

Description

107, 108

111, 110

121, 122

125, 124

136, 137

140, 139

150, 151

154, 153

TPOP1, TPON1

TPOP2, TPON2

TPOP3, TPON3

TPOP4, TPON4

TPOP5, TPON5

TPOP6, TPON6

TPOP7, TPON7

TPOP8, TPON8

Caution: AO

Twisted-Pair Outputs - Ports 1 through 8. These pins are the positive and

negative outputs from the respective ports’ twisted-pair line drivers. For unused

ports, these pins can be left open.

104, 105

115, 114

118, 119

129, 128

132, 133

143, 142

146, 147

157, 156

TPIP1, TPIN1

TPIP2, TPIN2

TPIP3, TPIN3

TPIP4, TPIN4

TPIP5, TPIN5

TPIP6, TPIN6

TPIP7, TPIN7

TPIP8, TPIN8

Caution: AI

Twisted-Pair Inputs - Ports 1 through 8. These pins are the positive and

negative inputs to the respective ports’ twisted-pair receivers.

For unused ports, tie together with 100

Ω resistors and float.

160

159

TxSLEW_1

TxSLEW_0

Tx Output Slew Controls 0 and 1. These pins select the TX output slew rate

(rise and fall time) as follows:

TxSLEW_1

TxSLEW_0

Slew Rate (Rise and Fall Time)

2.5 ns

3.1 ns

3.7 ns

4.3 ns

1. I = Input, O = Output, I/O = Input/Output, D = Digital, A = Analog, AI = Analog Input, AO = Analog Output, A I/O = Analog

Input/Output,

OD = Open Drain,

OS = Open Source, PD = Pull Down, PU = Pull Up.

NC = No Clamp. Pad does not clamp input in the absence of power.

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