APA300 datasheet(29/178 Pages) ACTEL

29 / 178 page

ProASICPLUS Flash Family FPGAs

v5.9

2-19

PLL I/O Constraints

PLL locking is guaranteed only when the following constraints are followed:

Table 2-10 • PLL I/O Constraints

TJ ≤ –40°C

Value TJ > –40°C

I/O Type

PLL locking is guaranteed only when using low drive strength and

low slew rate I/O. PLL locking may be inconsistent when using high

drive strength or high slew rate I/Os

No Constraints

SSO

APA300

Hermetic packages

≤ 8 SSO

With FIN

≤ 180 MHz and

outputs

switching

simultaneously

Plastic packages

≤ 16 SSO

APA600

Hermetic packages

≤ 16 SSO

Plastic packages

≤ 32 SSO

APA1000

Hermetic packages

≤ 16 SSO

Plastic packages

≤ 32 SSO

APA300

Hermetic packages

≤ 12 SSO

With FIN

≤ 50 MHz and half

outputs switching on positive

clock edge, half switching on

the negative clock edge no less

than 10 ns later

Plastic packages

≤ 20 SSO

APA600

Hermetic packages

≤ 32 SSO

Plastic packages

≤ 64 SSO

APA1000

Hermetic packages

≤ 32 SSO

Plastic packages

≤ 64 SSO

APA300 Datasheet(PDF) 29 Page - Actel Corporation

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