EP3SL70 datasheet(13/341 Pages) ALTERA

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Chapter 1: Stratix III Device Datasheet: DC and Switching Characteristics

1–3

Electrical Characteristics

Altera Corporation

Stratix III Device Handbook, Volume 2

Recommended Operating Conditions

This section lists the functional operation limits for AC and DC parameters for

Stratix III devices. Table 1–3 lists the steady-state voltage and current values expected

from Stratix III devices. All supplies are required to monotonically reach their full-rail

values within tRAMP.

Table 1–2. Maximum Allowed Overshoot During Transitions

Symbol

Parameter

Condition

Overshoot Duration as a % of

High Time

Unit

Vi (AC)

AC Input Voltage (1)

100.000

4.05

79.330

4.1

46.270

4.15

27.030

4.2

15.800

4.25

9.240

4.3

5.410

4.35

3.160

4.4

1.850

4.45

1.080

4.5

0.630

4.55

0.370

4.6

0.220

4.65

0.130

4.7

0.074

4.75

0.043

4.8

0.025

4.85

0.015

Note to Table 1–2:

(1) This input voltage is regardless of the V

CCIO supply which is used to power up the input buffer.

Table 1–3. Recommended Operating Conditions for Stratix III Devices (Part 1 of 2)

Symbol

Parameter

Conditions

Minimum

Typical

Maximum

Unit

CCL

Selectable core voltage power supply for

internal logic and input buffers

—

1.05

1.1

1.15

Selectable core voltage power supply for

internal logic and input buffers

—

0.86

0.9

0.94

I/O registers power supply

—

1.05

1.1

1.15

CCD_PLL

PLL digital power supply

—

1.05

1.1

1.15

CCA_PLL

PLL analog power supply

—

2.375

2.5

2.625

CCPT

Power supply for the programmable power

technology

—

2.375

2.5

2.625

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