IO20PDB0V0 datasheet(53/197 Pages) MICROSEMI

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SmartFusion Customizable System-on-Chip (cSoC)

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Timing Characteristics

Table 2-63 • LVDS Minimum and Maximum DC Input and Output Levels

DC Parameter

Description

Min.

Typ.

Max.

Units

VCCFPGAIOBx

Supply voltage

2.375

2.5

2.625

VOL

Output low voltage

0.9

1.075

1.25

VOH

Output high voltage

1.25

1.425

1.6

IOL1

Output lower current

0.65

0.91

1.16

IOH1

Output high current

0.65

0.91

1.16

Input voltage

2.925

IIH2

Input high leakage current

µA

IIL2

Input low leakage current

µA

VODIFF

Differential output voltage

250

350

450

VOCM

Output common mode voltage

1.125

1.25

1.375

VICM

Input common mode voltage

0.05

1.25

2.35

VIDIFF

Input differential voltage

100

350

Notes:

1. IOL/IOH defined by VODIFF/(resistor network).

2. Currents are measured at 85°C junction temperature.

Table 2-64 • AC Waveforms, Measuring Points, and Capacitive Loads

Input Low (V)

Input High (V)

Measuring Point* (V)

VREF (typ.) (V)

1.075

1.325

Cross point

–

* Measuring point = Vtrip. See Table 2-22 on page 2-24 for a complete table of trip points.

Table 2-65 • LVDS

Worst Commercial-Case Conditions: TJ = 85°C, Worst-Case VCC = 1.425 V,

Worst-Case VCCFPGAIOBx = 2.3 V

Applicable to FPGA I/O Banks, I/O Assigned to EMC I/O Pins

Speed Grade

tDOUT

tDP

tDIN

tPY

Units

Std.

0.60

1.83

0.04

1.87

–1

0.50

1.53

0.03

1.55

Notes:

For the derating values at specific junction temperature and voltage supply levels, refer to Table 2-7 on page 2-9 for

derating values.

2. The above mentioned timing parameters correspond to 24mA drive strength.

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