EPC4 datasheet(26/36 Pages) ALTERA

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Altera Corporation

Configuration Devices for SRAM-based LUT Devices Data Sheet

At 3.3-V operation, all EPC2 inputs are 5.0-V tolerant, except DATA, DCLK,

and nCASC. The DATA, DCLK, and nCEO pins are used only to interface

between the EPC2 configuration device and the APEX II, APEX 20K,

Mercury, ACEX 1K, or FLEX 10K device it is configuring. The voltage

tolerances of all EPC2 pins at 5.0 V and 3.3 V are listed in Table 9.

f For more information on APEX II, APEX 20K, Mercury, ACEX 1K,

FLEX 10K, or FLEX 6000 devices, see the following documents:

■

ACEX 1K Programmable Logic Device Family Data Sheet

■

APEX 20K Programmable Logic Device Family Data Sheet

■

APEX II Programmable Logic Device Family Data Sheet

■

FLEX 10K Embedded Programmable Logic Family Data Sheet

■

FLEX 10KE Embedded Programmable Logic Family Data Sheet

■

FLEX 8000 Programmable Logic Device Family Data Sheet

■

FLEX 6000 Programmable Logic Device Family Data Sheet

■

Mercury Programmable Logic Device Family Data Sheet

Table 9. EPC2 Input & Bidirectional Pin Voltage Tolerance

5.0-V Operation

3.3-V Operation

5.0-V

Tolerant

3.3-V

Tolerant

5.0-V

Tolerant

3.3-V

Tolerant

DATA

DCLK

nCASC

nCS

VCCSEL

VPPSEL

nINIT_CONF

TDI

TMS

TCK

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