COREPCI-XX datasheet(3/42 Pages) ACTEL

Part #	COREPCI-XX

Description	CorePCI v5.41

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Manufacturer	ACTEL [Actel Corporation]

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CorePCI v5.41

v4.0

3

CorePCI Device Requirements

Performance requirements and bus size both drive device

selection. Table 1 summarizes the device requirements. A

typical 64-bit PCI system requires at least 200 I/Os. Table 4

on page 5 shows typical pin counts. The actual number

of I/O pins depends on the user backend interface. The

table assumes the complete backend interface is

connected to I/O pins rather than internal logic. Some

applications such as PCI-UART target could only require

one backend I/O pin. Table 1 and Table 2 on page 4 are

summaries of the minimum device requirements for

various PCI size/performance options. In order to meet

the PCI timing requirements for output valid (6 ns for 66

MHz, 11 ns for 33 MHz) and input setup (3 ns for 66 MHz,

7 ns for 33 MHz) times, the speed grades shown in

Table 1 must be used. The RTSX-S, ProASIC, and

ProASICPLUS families should only be employed for 32-bit/

33 MHz PCI applications.

Table 1 • Supported Devices

Family

PCI Voltage

Smallest Device

Commercial

Industrial

Military

33 MHz 32-bit

SXA

3.3 & 5.0

A54SX16A

STD

RTSX-S

3.3 & 5.0

RT54SX32S

–1

AX

3.3

AX125

STD

RTAX-S

3.3

RTAX250S

STD

–1

APA

3.3

APA075

STD

ProASIC3/E

3.3

A3P125

STD

33 MHz 64-Bit

SXA

3.3 & 5.0

A54SX16A

STD

RTSX-S

3.3 & 5.0

RT54SX32S

N/A

AX

3.3

AX125

STD

RTAX-S

3.3

RTAX 250S

–1

APA

3.3

APA075

N/A

ProASIC3/E

3.3

A3P125

STD

66 MHz 32-Bit

SXA

3.3 & 5.0

A54SX16A

–3

N/A

RTSX-S

3.3 & 5.0

RT54SX32S

N/A

AX

3.3

AX125

–1

O/R

RTAX-S

3.3

RTAX1000S

N/A

O/R

APA

3.3

APA075

N/A

ProASIC3/E

3.3

A3P125

-2

N/A

66 MHz 64-Bit

SXA

3.3 & 5.0

A54SX16A

–3

N/A

RTSX-S

3.3 & 5.0

RT54SX32S

N/A

AX

3.3

AX125

–1

O/R

RTAX-S

3.3

RTAX1000S

N/A

O/R

APA

3.3

APA075

N/A

ProASIC3/E

3.3

A3P125

-2

N/A

Notes:

1. Required speed grades based on Libero design flows.

2. N/A indicates device not supported.

3. All packages are supported.

4. O/R indicates on request.

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