EP2C8A datasheet(91/168 Pages) ALTERA

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Altera Corporation

5–1

February 2008

5. DC Characteristics and

Timing Specifications

Operating

Conditions

Cyclone® II devices are offered in commercial, industrial, automotive,

and extended temperature grades. Commercial devices are offered in –6

(fastest), –7, and –8 speed grades.

All parameter limits are representative of worst-case supply voltage and

junction temperature conditions. Unless otherwise noted, the parameter

values in this chapter apply to all Cyclone II devices. AC and DC

characteristics are specified using the same numbers for commercial,

industrial, and automotive grades. All parameters representing voltages

are measured with respect to ground.

Tables 5–1 through 5–4 provide information on absolute maximum

ratings.

Table 5–1. Cyclone II Device Absolute Maximum Ratings

Notes (1), (2)

Symbol

Parameter

Conditions

Minimum Maximum

Unit

VCCINT

Supply voltage

With respect to ground

–0.5

1.8

VCCIO

Output supply voltage

–0.5

4.6

VCCA_PLL [1..4] PLL supply voltage

–0.5

1.8

VIN

DC input voltage (3)

—

–0.5

4.6

IOUT

DC output current, per pin

—

–25

TSTG

Storage temperature

No bias

–65

150

°C

Junction temperature

BGA packages under bias

—

125

°C

Notes to Table 5–1:

(1)

Conditions beyond those listed in this table cause permanent damage to a device. These are stress ratings only.

Functional operation at these levels or any other conditions beyond those specified in this chapter is not implied.

Additionally, device operation at the absolute maximum ratings for extended periods of time may have adverse

effect on the device reliability.

(2)

Refer to the Operating Requirements for Altera Devices Data Sheet for more information.

(3)

During transitions, the inputs may overshoot to the voltage shown in Table 5–4 based upon the input duty cycle.

The DC case is equivalent to 100% duty cycle. During transition, the inputs may undershoot to –2.0 V for input

currents less than 100 mA and periods shorter than 20 ns.

CII51005-4.0

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