EP3C80 datasheet(4/34 Pages) ALTERA

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Chapter 1: Cyclone III Device Data Sheet

Electrical Characteristics

Cyclone III Device Handbook, Volume 2

Altera Corporation

Figure 1–1 shows the methodology to determine the overshoot duration.

Recommended Operating Conditions

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

Cyclone III devices. The steady-state voltage and current values expected from

Cyclone III devices are provided in Table 1–3. All supplies must be strictly monotonic

without plateaus.

Figure 1–1. Cyclone III Devices Overshoot Duration

3.3 V

4.1 V

4.2 V

ΔT

Table 1–3. Cyclone III Devices Recommended Operating Conditions

(Note 1), (2) (Part 1 of 2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

CCINT (3)

Supply voltage for internal logic

—

1.15

1.2

1.25

CCIO (3), (4)

Supply voltage for output buffers, 3.3-V

operation

—

3.135

3.3

3.465

Supply voltage for output buffers, 3.0-V

operation

—

2.85

3.15

Supply voltage for output buffers, 2.5-V

operation

—

2.375

2.5

2.625

Supply voltage for output buffers, 1.8-V

operation

—

1.71

1.8

1.89

Supply voltage for output buffers, 1.5-V

operation

—

1.425

1.5

1.575

Supply voltage for output buffers, 1.2-V

operation

—

1.14

1.2

1.26

CCA (3)

Supply (analog) voltage for PLL

regulator

—

2.375

2.5

2.625

CCD_PLL (3)

Supply (digital) voltage for PLL

—

1.15

1.2

1.25

Input voltage

—

–0.5

—

3.6

Output voltage

—

CC IO

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