FLEX10KA datasheet(40/128 Pages) ALTERA

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Altera Corporation

FLEX 10K Embedded Programmable Logic Device Family Data Sheet

Table 12 describes the FLEX 10K device supply voltages and MultiVolt

I/O support levels.

Note

(1)

240-pin QFP packages do not support the MultiVolt I/O features, so they do not have separate VCCIO pins.

Power Sequencing & Hot-Socketing

Because FLEX 10K devices can be used in a multi-voltage environment,

they have been designed specifically to tolerate any possible power-up

sequence. The VCCIO and VCCINT power supplies can be powered in any

order.

Signals can be driven into FLEX 10KA devices before and during power

up without damaging the device. Additionally, FLEX 10KA devices do

not drive out during power up. Once operating conditions are reached,

FLEX 10KA devices operate as specified by the user.

IEEE Std.

1149.1 (JTAG)

Boundary-Scan

Support

All FLEX 10K devices provide JTAG BST circuitry that complies with the

IEEE Std. 1149.1-1990 specification. All FLEX 10K devices can also be

configured using the JTAG pins through the BitBlaster serial download

cable, or ByteBlasterMV parallel port download cable, or via hardware

that uses the JamTM programming and test language. JTAG BST can be

performed before or after configuration, but not during configuration.

FLEX 10K devices support the JTAG instructions shown in Table 13.

Table 12. Supply Voltages & MultiVolt I/O Support Levels

Devices

Supply Voltage (V)

MultiVolt I/O Support Levels (V)

VCCINT

VCCIO

Input

Output

FLEX 10K (1)

5.0

3.3 or 5.0

5.0

3.3

3.3 or 5.0

EPF10K50V (1)

3.3

3.3 or 5.0

EPF10K130V

3.3

3.3 or 5.0

FLEX 10KA (1)

3.3

2.5, 3.3, or 5.0

3.3 or 5.0

3.3

2.5

2.5, 3.3, or 5.0

2.5

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