FBFM2112F897CSLJLS View Datasheet(PDF) - Intel

Part Name

Description

Manufacturer

FBFM2112F897CSLJLS

Intel® FM2112 24-Port 10G/1G Ethernet Switch Chip

Intel 

Intel® FM2112 24-Port 10G/1G Ethernet Switch Chip Data Sheet

Table 25. XAUI Transmitter Characteristics (Continued)

VOH

VTCM

JTT@1.25

Gb/S

High-level output voltage

Transmit common-mode voltagec

Transmitter Total Jitter (Peak-Peak)d

Random jitter component (RJ)

VTT-0.5*

VSW

VTT-VSW

.24

.12

Deterministic jitter component (DJ)

.12

JTT@3.125

Transmitter Total Jitter (Peak-Peak)d

.35

Gb/S

Random jitter component (RJ)

.18

Deterministic jitter component (DJ)

.17

ZOSE

Single Ended Output Impedance

40

50

60

ZD

Differential Output Impedance

80

100

120

TTR, TTF

Rise, fall times of differential outputse

80

110

UI

UI

Ohms

Ohms

ps

a. HiDrv bit set to 0, LoDrv bit set to 1 in SERDES_CNTL_2 register

- see Table 133, and Current Drive bits set to 1100 in

SERDES_CNTL_1 register - see Table 130.

b. VTT = 1.8V, HiDrv bit set to 1, LoDrv bit set to 0 in

SERDES_CNTL_2 register - see Table 133, and Current Drive bits

set to 0011 in SERDES_CNTL_1 register - see Table 130.

c. AC coupled operation only.

d. Based on CJPAT.

e. 20% to 80%.

Table 26. XAUI Receiver Characteristics

Symbol

VLOS

VIN

VRCM

TRR, TRF

GJRbTp@s 1.25

JTT@ 3.25

Gbps

ZIN

LDR

VRHP

Parameter

Min

Low signal differential input threshold voltage 85

Differential input voltage, peak to peak

170

Common mode voltage

Rise, fall times of differential inputs

Total jitter tolerancea

Random jitter component (RJ)

Deterministic jitter component (DJ)

Total jitter tolerancea

Random jitter component (RJ)

Deterministic jitter component (DJ)

Impedance, single-ended

40

Differential return lossb

10

Hot plug voltage (applied with power on or

-.5

off)c

Typ

0.70

50

Max

2000

160

.71

.26

.45

.65

.24

.41

60

1.6

Units

mV

mV

V

ps

UI

UI

W

dB

V

76

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