ACEX1 datasheet(81/86 Pages) ETC

81 / 86 page

Altera Corporation

ACEX 1K Programmable Logic Device Family Data Sheet

Notes to tables:

(1)

All timing parameters are described in Tables 22 through 29 in this data sheet.

(2)

These parameters are specified by characterization.

(3)

This parameter is measured without the use of the ClockLock or ClockBoost circuits.

(4)

This parameter is measured with the use of the ClockLock or ClockBoost circuits.

Power

Consumption

The supply power (P) for ACEX 1K devices can be calculated with the

following equation:

P = PINT + PIO = (ICCSTANDBY + ICCACTIVE) × VCC + PIO

The ICCACTIVE value depends on the switching frequency and the

application logic. This value is calculated based on the amount of current

that each LE typically consumes. The PIO value, which depends on the

device output load characteristics and switching frequency, can be

calculated using the guidelines given in Application Note 74 (Evaluating

Power for Altera Devices).

Compared to the rest of the device, the embedded array

consumes a negligible amount of power. Therefore, the

embedded array can be ignored when calculating supply

current.

Table 57. EP1K100 External Bidirectional Timing Parameters

Notes (1), (2)

Symbol

Speed Grade

Unit

-1

-2

-3

Min

Max

Min

Max

Min

Max

tINSUBIDIR (3)

1.7

2.5

3.3

tINHBIDIR (3)

0.0

tINSUBIDIR (4)

2.0

2.8

–

tINHBIDIR (4)

0.0

–

tOUTCOBIDIR (3)

2.0

5.2

2.0

6.9

2.0

9.1

tXZBIDIR (3)

5.6

7.5

10.1

tZXBIDIR (3)

5.6

7.5

10.1

tOUTCOBIDIR (4)

0.5

3.0

0.5

4.6

––

tXZBIDIR (4)

4.6

6.5

–

tZXBIDIR (4)

4.6

6.5

–

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