EP2AGX45DF25I5 datasheet(19/90 Pages) ALTERA

Nome de Peças	EP2AGX45DF25I5

Descrição Electrónicos	Arria II Device Handbook

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Fabricante Electrônico	ALTERA [Altera Corporation]

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Chapter 1: Device Datasheet for Arria II Devices

1–11

Electrical Characteristics

December 2013

Altera Corporation

Arria II Device Handbook Volume 3: Device Datasheet and Addendum

The calibration accuracy for calibrated series and parallel OCTs are applicable at the

moment of calibration. When process, voltage, and temperature (PVT) conditions

change after calibration, the tolerance may change.

Table 1–13 lists the Arria II GZ OCT without calibration resistance tolerance to PVT

changes.

OCT calibration is automatically performed at power up for OCT-enabled I/Os.

When voltage and temperature conditions change after calibration, the resistance may

change. Use Equation 1–1 and Table 1–14 to determine the OCT variation when

voltage and temperature vary after power-up calibration for Arria II GX and GZ

devices.

Table 1–13. OCT Without Calibration Resistance Tolerance Specifications for Arria II GZ Devices

Symbol

Description

Conditions (V)

Resistance Tolerance

Unit

C3,I3

C4,I4

25-

 R

S

3.0 and 2.5

25-

internal series

OCT without

calibration

VCCIO = 3.0, 2.5

± 40

%

25-

 R

S

1.8 and 1.5

25-

 internal series

OCT without

calibration

VCCIO = 1.8, 1.5

± 40

%

25-

 R

S

1.2

25-

internal series

OCT without

calibration

VCCIO = 1.2

± 50

%

50-

 R

S

3.0 and 2.5

50-

 internal series

OCT without

calibration

VCCIO = 3.0, 2.5

± 40

%

50-

 R

S

1.8 and 1.5

50-

internal series

OCT without

calibration

VCCIO = 1.8, 1.5

± 40

%

50-

 R

S

1.2

50-

internal series

OCT without

calibration

VCCIO = 1.2

± 50

%

100-

 R

D

2.5

100-

internal

differential OCT

VCCIO = 2.5

± 25

%

Equation 1–1. OCT Variation (Note 1)

Notes to Equation 1–1:

(1) ROCT value calculated from Equation 1–1shows the range of OCT resistance with the variation of temperature and

VCCIO.

ROCT

RSCAL 1

dR

dT

-------

T





dR

dV

-------

V







+





=

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