TBD datasheet(44/80 Pages) FREESCALE

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MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 6

Electrical Characteristics

Freescale Semiconductor

For each baud rate at which an LP-Serial transmitter is specified to operate, the output eye pattern of the transmitter shall fall

entirely within the unshaded portion of the transmitter output compliance mask shown in Figure 13 with the parameters

specified in Table 36 when measured at the output pins of the device and the device is driving a 100

Ω ±5% differential resistive

load. The output eye pattern of an LP-Serial transmitter that implements pre-emphasis (to equalize the link and reduce

inter-symbol interference) need only comply with the transmitter output compliance mask when pre-emphasis is disabled or

minimized.

Table 33. Long Run Transmitter AC Timing Specifications—1.25 GBaud

Characteristic

Symbol

Range

Unit

Notes

Min

Max

Output Voltage,

-0.40

2.30

Voltage relative to COMMON of either signal

comprising a differential pair

Differential Output Voltage

VDIFFPP

800

1600

mVPP

Deterministic Jitter

0.17

UIPP

Total Jitter

0.35

UIPP

Multiple output skew

SMO

1000

Skew at the transmitter output between lanes of a

multilane link

Unit Interval

800

±100 ppm

Table 34. Long Run Transmitter AC Timing Specifications—2.5 GBaud

Characteristic

Symbol

Range

Unit

Notes

Min

Max

Output Voltage,

-0.40

2.30

Voltage relative to COMMON of either signal

comprising a differential pair

Differential Output Voltage

VDIFFPP

800

1600

mVPP

Deterministic Jitter

0.17

UIPP

Total Jitter

0.35

UIPP

Multiple output skew

SMO

1000

Skew at the transmitter output between lanes of a

multilane link

Unit Interval

400

±100 ppm

Table 35. Long Run Transmitter AC Timing Specifications—3.125 GBaud

Characteristic

Symbol

Range

Unit

Notes

Min

Max

Output Voltage,

-0.40

2.30

Voltage relative to COMMON of either signal

comprising a differential pair

Differential Output Voltage

VDIFFPP

800

1600

mVPP

Deterministic Jitter

0.17

UIPP

Total Jitter

0.35

UIPP

Multiple output skew

SMO

1000

Skew at the transmitter output between lanes of a

multilane link

Unit Interval

320

±100 ppm

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