OR4 datasheet(75/152 Pages) LATTICE

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Lattice Semiconductor

Data Sheet

May, 2006

ORCA Series 4 FPGAs

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-

lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess

of those given in the operations sections of this data sheet. Exposure to absolute maximum ratings for extended

periods can adversely affect device reliability.

The ORCA Series FPGAs include circuitry designed to protect the chips from damaging substrate injection currents

and to prevent accumulations of static charge. Nevertheless, conventional precautions should be observed during

storage, handling, and use to avoid exposure to excessive electrical stress.

Table 34. Absolute Maximum Ratings

Note: Overshoot and undershoot of -2V to (VIHMAX +2) volts is permitted for a duration of <20ns.

Recommended Operating Conditions

Table 35. Recommended Operating Conditions

Note:

1. The maximum recommended junction temperature (TJ) during operation is 125 °C.

2. Timing parameters in this data sheet an ispLEVER are characterized under higher voltage and temperature conditions than the recom-

mended operating conditions in this table.

3. The internal PLLs operate from the VDD33 power supply. This power supply should be well isolated from all other power supplies on the board

for proper operation.

Parameter

Symbol

Min

Max

Unit

Storage Temperature

Tstg

–65

150

°C

Power Supply Voltage with Respect to Ground

VDD33

–0.3

4.2

VDDIO

–0.3

4.2

VDD15

–0.3

2.0

Input Signal with Respect to Ground

VIN

– 0.3

VDDIO + 0.3

Signal Applied to High-impedance Output

—

– 0.3

VDDIO + 0.3

Maximum Package Body (Soldering) Temperature

—

220

°C

Parameter

Symbol

Min

Max

Unit

Power Supply Voltage with Respect to Ground

VDD33

3.0

3.6

VDDIO

1.4

3.6

VDD15

1.425

1.575

Input Signal with Respect to Ground

VIN

– 0.3

VDDIO + 0.3

Junction Temperature

–40

125

°C

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