HC230 datasheet(47/228 Pages) ALTERA

47 / 228 page

Altera Corporation

4–5

September 2008

I/O Standard Specifications

VOL

Low-level output voltage

IOL = 4 mA (2), (3)

—0.45

Notes to Table 4–5:

(1)

HardCopy II devices comply to the narrow range for the supply voltage as specified in the EIA/JEDEC Standard,

JESD8-B.

(2)

Drive strength is programmable according to values in Table 2–10, Table 2–12, and Table 2–14.

(3)

Drive strength varies based on pin location. Refer to the Description, Architecture, and Features chapter in the

HardCopy II Device Family Data Sheet section of volume 1 of the HardCopy Series Handbook for more information.

Table 4–5. LVTTL Specifications (Part 2 of 2)

Symbol

Parameter

Conditions

Minimum

Maximum

Unit

Table 4–6. LVCMOS Specifications

Symbol

Parameter

Conditions

Minimum

Maximum

Unit

VCCIO (1)

Output-supply voltage

—

3.135

3.465

VIH

High-level input voltage

—

1.7

4.0

VIL

Low-level input voltage

—

-0.3

0.8

VOH

High-level output voltage

VCCIO = 3.0, IOH = -0.1 mA (2), (3)

VCCIO – 0.2

—

VOL

Low-level output voltage

VCCIO = 3.0, IOL = 0.1 mA (2), (3)

—0.2

Notes to Table 4–6:

(1)

HardCopy II devices comply to the narrow range for the supply voltage as specified in the EIA/JEDEC Standard,

JESD8-B.

(2)

Drive strength is programmable according to values in Tables 2–10, 2–12, and 2–14.

(3)

Drive strength varies based on pin location. Refer to the Description, Architecture, and Features chapter in the

HardCopy II Device Family Data Sheet section in volume 1 of the HardCopy Series Handbook for more information.

Table 4–7. 2.5-V I/O Specifications (Part 1 of 2)

Symbol

Parameter

Conditions

Minimum

Maximum

Unit

VCCIO (1)

Output-supply voltage

—

2.375

2.625

VIH

High-level input voltage

—

1.7

4.0

VIL

Low-level input voltage

—

-0.3

0.7

VOH

High-level output voltage

IOH = -1 mA (2), (3)

2.0

—

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