9883 datasheet(48/56 Pages) INTEL

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LXT9883/9863 — Advanced 10/100 Unmanaged Repeater

Datasheet

Document #: 249115

Revision #: 003

Rev. Date: 08/07/01

Figure 18. 100 Mbps TP Port-to-Port Delay Timing

Table 27. 100 Mbps TP Port-to-Port Delay Timing Parameters

Parameter

Symbol

Min

Typ

Max

Units

Test Conditions

TPIP/N to TPOP/N, start of transmission

t1A

––

–

TPIP/N to TPOP/N, end of transmission

t1B

––

–

TPIP/N collision to TPOP/N, start of jam

t1C

––

–

TPIP/N idle to TPOP/N, end of jam

t1D

––

–

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

2. Bit Time (BT) is the duration of one bit as transferred to/from the MAC and is the reciprocal of bit rate. BT for

100BASE-T = 10

-8 s or 10ns.

TP Input #2

t1C

P Input #1

TP Output

Jam

t1D

t1A

TP Input

TP Output

t1B

Normal Propagation

Collision Jamming

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