FG256 datasheet(23/108 Pages) ACTEL

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SX-A Family FPGAs

v5.3

2-3

PCI Compliance for the SX-A Family

The SX-A family supports 3.3 V and 5 V PCI and is compliant with the PCI Local Bus Specification Rev. 2.1.

Table 2-7 • DC Specifications (5 V PCI Operation)

Symbol

Parameter

Condition

Min.

Max.

Units

VCCA

Supply Voltage for Array

2.25

2.75

VCCI

Supply Voltage for I/Os

4.75

5.25

VIH

Input High Voltage

2.0

5.75

VIL

Input Low Voltage

–0.5

0.8

IIH

Input High Leakage Current1

VIN = 2.7

–

µA

IIL

Input Low Leakage Current1

VIN = 0.5

–

–70

µA

VOH

Output High Voltage

IOUT = –2 mA

2.4

–

VOL

Output Low Voltage2

IOUT = 3 mA, 6 mA

–

0.55

CIN

Input Pin Capacitance3

–10

CCLK

CLK Pin Capacitance

Notes:

1. Input leakage currents include hi-Z output leakage for all bidirectional buffers with tristate outputs.

2. Signals without pull-up resistors must have 3 mA low output current. Signals requiring pull-up must have 6 mA; the latter includes

FRAME#, IRDY#, TRDY#, DEVSEL#, STOP#, SERR#, PERR#, LOCK#, and, when used AD[63::32], C/BE[7::4]#, PAR64, REQ64#, and

ACK64#.

3. Absolute maximum pin capacitance for a PCI input is 10 pF (except for CLK).

FG256 Datasheet(PDF) 23 Page - Actel Corporation

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