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LXT9883/9863 — Advanced 10/100 Unmanaged Repeater

Datasheet

Document #: 249115

Revision #: 003

Rev. Date: 08/07/01

5.0V Operation

IR100CFS current

single drive

––

N/A

–

RL = 215

Ω

collision

––

N/A

–

RL = 215

Ω

IR100CFSBP current

single drive

––

24.2

–

RL = 91

Ω2

collision

––

–

RL = 91

Ω2

IR100CFS/BP voltage

single drive

––

2.8

–

collision

––

0.6

–

Table 24. 10 Mbps IRB Electrical Characteristics

Parameter

Symbol

Min

Typ

Max

Units

Test Conditions

Output Low voltage

VOL

0.1

RL = 330

Ω

Output rise or fall time

TRF

–

410

CL = 15 pF

Input High voltage

VIH

VCC - 2.0

––

CMOS inputs

VCC - 2.0

––

IR10CLK (Schmitt trigger)

Input Low voltage

VIL

––

2.0

CMOS inputs

––

1.0

IR10CLK (Schmitt trigger)

Hysteresis voltage

–

0.5

––

IR10CLK (Schmitt trigger)

3.3V Operation

IR10CFS current

single drive

––

6.8

–

RL = 215

Ω

collision

––

13.5

–

RL = 215

Ω

IR10CFSBP current

single drive

––

4.5

–

RL = 330

Ω

collision

––

8.8

–

RL = 330

Ω

IR10CFS/BP voltage

single drive

–

1.3

1.83

2.4

–

collision

–

0.2

0.4

0.6

–

5.0V Operation

IR10CFS current

single drive

––

N/A

–

RL = 215

Ω

collision

––

N/A

–

RL = 215

Ω

IR10CFSBP current

single drive

––

7.0

–

RL = 330

Ω

collision

––

13.5

–

RL = 330

Ω

IR10CFS/BP voltage

single drive

–

1.9

2.8

3.2

–

collision

–

0.4

0.6

0.8

–

1. Typical values are at 25° C and are for design aid only; they are not guaranteed and not subject to production testing.

Table 23. 100 Mbps IRB Electrical Characteristics (Continued)

Parameter

Symbol

Min

Typ

Max

Units

Test Conditions

1. Typical values are at 25° C and are for design aid only; they are not guaranteed and not subject to production testing.

2. 91

Ω resistors provide greater noise immunity. Systems using 91Ω resistors are backwards stackable with systems using

100

Ω resistors.

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