LFEC10 datasheet(41/163 Pages) LATTICE

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3-5

DC and Switching Characteristics

Lattice Semiconductor

LatticeECP/EC Family Data Sheet

sysI/O Recommended Operating Conditions

VCCIO

VREF (V)

Standard

Min.

Typ.

Max.

Min.

Typ.

Max.

LVCMOS 3.3

3.135

3.3

3.465

—

LVCMOS 2.5

2.375

2.5

2.625

—

LVCMOS 1.8

1.71

1.8

1.89

—

LVCMOS 1.5

1.425

1.5

1.575

—

LVCMOS 1.2

1.14

1.2

1.26

—

LVTTL

3.135

3.3

3.465

—

PCI

3.135

3.3

3.465

—

SSTL18 Class I

1.71

1.8

1.89

0.833

0.90

0.969

SSTL2 Class I, II

2.375

2.5

2.625

1.15

1.25

1.35

SSTL3 Class I, II

3.135

3.3

3.465

1.3

1.5

1.7

HSTL15 Class I

1.425

1.5

1.575

0.68

0.75

0.9

HSTL15 Class III

1.425

1.5

1.575

—

0.9

—

HSTL 18 Class I, II

1.71

1.8

1.89

—

0.9

—

HSTL 18 Class III

1.71

1.8

1.89

—

1.08

—

LVDS

2.375

2.5

2.625

—

LVPECL

3.135

3.3

3.465

—

BLVDS

2.375

2.5

2.625

—

RSDS

2.375

2.5

2.625

—

1. Outputs are implemented with the addition of external resistors. VCCIO applies to outputs only.

LFEC10 Datasheet(PDF) 41 Page - Lattice Semiconductor

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