EP3SL70 datasheet(44/341 Pages) ALTERA

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

I/O Timing

Stratix III Device Handbook, Volume 2

Altera Corporation

Table 1–37. Output Timing Measurement Methodology for Output Pins (Part 1 of 3)

I/O Standard

Loading and Termination

Measurement

Point

CCIO

CCPD

L (pF)

MEAS (v)

3.3-V LVTTL

————

3.135

1.05

—

1.5675

3.3-V LVCMOS

————

3.135

1.05

—

1.5675

3.0-V LVTTL

————

2.85

1.05

—

1.425

3.0-V LVCMOS

————

2.85

1.05

—

1.425

2.5-V

————

2.375

1.05

—

1.1875

1.8-V

————

1.71

2.375

1.05

—

0.855

1.5-V

————

1.425

2.375

1.05

—

0.7125

1.2-V

————

1.14

2.375

1.05

—

0.57

PCI

————

2.85

1.05

—

1.425

PCI-X

————

2.85

1.05

—

1.425

SSTL-2 CLASS I

—

2.325

1.02

1.25

1.1625

SSTL-2 CLASS II

—

2.325

1.02

1.25

1.1625

SSTL-18 CLASS I

—

1.66

2.325

1.02

0.90

0.83

SSTL-18 CLASS II

—

1.66

2.325

1.02

0.90

0.83

SSTL-15 CLASS I

—

1.375

2.325

1.02

0.75

0.6875

SSTL-15 CLASS II

—

1.375

2.325

1.02

0.75

0.6875

1.8-V HSTL CLASS I

—

1.66

2.325

1.02

0.90

0.83

1.8-V HSTL

CLASS II

—

1.66

2.325

1.02

0.90

0.83

1.5-V HSTL CLASS I

—

1.375

2.325

1.02

0.75

0.6875

1.5-V HSTL

CLASS II

—

1.375

2.325

1.02

0.75

0.6875

1.2-V HSTL CLASS I

—

1.09

2.325

1.02

0.60

0.545

1.2-V HSTL

CLASS II

—

1.09

2.325

1.02

0.60

0.545

Differential SSTL-2

CLASS I

—

2.325

1.02

1.25

1.1625

Differential SSTL-2

CLASS II

—

2.325

1.02

1.25

1.1625

Differential SSTL-18

CLASS I

—

1.66

2.325

1.02

0.90

0.83

Differential SSTL-18

CLASS II

—

1.66

2.325

1.02

0.90

0.83

1.8-V Differential

HSTL CLASS I

—

1.66

2.325

1.02

0.90

0.83

1.8-V Differential

HSTL CLASS II

—

1.66

2.325

1.02

0.90

0.83

1.5-V Differential

HSTL CLASS I

—

1.375

2.325

1.02

0.75

0.6875

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