EP1C20F datasheet(89/106 Pages) ALTERA

89 / 106 page

Altera Corporation

4–19

May 2008

Preliminary

Timing Model

Tables 4–34 through 4–35 show the external timing parameters on column

and row pins for EP1C6 devices.

Tables 4–36 through 4–37 show the external timing parameters on column

and row pins for EP1C12 devices.

Table 4–34. EP1C6 Column Pin Global Clock External I/O Timing Parameters

Symbol

-6 Speed Grade

-7 Speed Grade

-8 Speed Grade

Unit

Min

Max

Min

Max

Min

Max

tINSU

2.691

—

3.094

—

3.496

—

tINH

0.000

—

0.000

—

0.000

—

tOUTCO

2.000

3.917

2.000

4.503

2.000

5.093

tINSUPLL

1.513

—

1.739

—

1.964

—

tINHPLL

0.000

—

0.000

—

0.000

—

tOUTCOPL L

0.500

2.038

0.500

2.343

0.500

2.651

Table 4–35. EP1C6 Row Pin Global Clock External I/O Timing Parameters

Symbol

-6 Speed Grade

-7 Speed Grade

-8 Speed Grade

Unit

Min

Max

Min

Max

Min

Max

tINSU

2.774

—

3.190

—

3.605

—

tINH

0.000

—

0.000

—

0.000

—

tOUTCO

2.000

3.817

2.000

4.388

2.000

4.963

tINSUPLL

1.596

—

1.835

—

2.073

—

tINHPLL

0.000

—

0.000

—

0.000

—

tOUTCOPL L

0.500

1.938

0.500

2.228

0.500

2.521

Table 4–36. EP1C12 Column Pin Global Clock External I/O Timing

Parameters (Part 1 of 2)

Symbol

-6 Speed Grade

-7 Speed Grade

-8 Speed Grade

Unit

Min

Max

Min

Max

Min

Max

tINSU

2.510

—

2.885

—

3.259

—

tINH

0.000

—

0.000

—

0.000

—

tOUT CO

2.000

3.798

2.000

4.367

2.000

4.940

tINSUPLL

1.588

—

1.824

—

2.061

—

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