EP1C3 datasheet(87/385 Pages) ETC2

87 / 385 page

Altera Corporation

4–3

May 2008

Preliminary

Operating Conditions

Table 4–5. LVCMOS Specifications

Symbol

Parameter

Conditions

Minimum

Maximum

Unit

VCCIO

Output supply voltage

—

3.0

3.6

VIH

High-level input voltage

—

1.7

4.1

VIL

Low-level input voltage

—

–0.5

0.7

VOH

High-level output voltage

VCCIO = 3.0,

IOH = –0.1 mA

VCCIO – 0.2

—

VOL

Low-level output voltage

VCCIO = 3.0,

IOL = 0.1 mA

—0.2

Table 4–6. 2.5-V I/O Specifications

Symbol

Parameter

Conditions

Minimum

Maximum

Unit

VCCIO

Output supply voltage

—

2.375

2.625

VIH

High-level input voltage

—

1.7

4.1

VIL

Low-level input voltage

—

–0.5

0.7

VOH

High-level output voltage

IOH = –0.1 mA

2.1

—

IOH = –1 mA

2.0

—

IOH = –2 to –16 mA (11)

1.7

—

VOL

Low-level output voltage

IOL = 0.1 mA

—

0.2

IOH = 1 mA

—

0.4

IOH = 2 to 16 mA (11)

—0.7

Table 4–7. 1.8-V I/O Specifications

Symbol

Parameter

Conditions

Minimum

Maximum

Unit

VCCIO

Output supply voltage

—

1.65

1.95

VIH

High-level input voltage

—

0.65

VCCIO

2.25 (12)

VIL

Low-level input voltage

—

–0.3

0.35

VCCIO

VOH

High-level output voltage

IOH = –2 to –8 mA (11) VCCIO – 0.45

—

VOL

Low-level output voltage

IOL = 2 to 8 mA (11)

—0.45

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