APEX20K datasheet(109/117 Pages) ALTERA

109 / 117 page

Altera Corporation

109

APEX 20K Programmable Logic Device Family Data Sheet

Tables 103 through 108 describe fMAX LE Timing Microparameters, fMAX

ESB Timing Microparameters, fMAX Routing Delays, Minimum Pulse

Width Timing Parameters, External Timing Parameters, and External

Bidirectional Timing Parameters for EP20K1500E APEX 20KE devices.

Table 102. EP20K1000E External Bidirectional Timing Parameters

Symbol

-1 Speed Grade

-2 Speed Grade

-3 Speed Grade

Unit

Min

Max

Min

Max

Min

Max

tINSU BIDIR

3.22

3.33

3.51

tI N H B ID IR

0.00

tOUT C OBIDIR

2.00

5.75

2.00

6.33

2.00

6.90

tXZ BIDIR

6.31

7.09

7.76

tZX BIDIR

6.31

7.09

7.76

tINSU BIDIRPL L

3.25

3.26

tI N H B ID IR P L L

0.00

tOUT C OBIDIRP LL

0.50

2.25

0.50

2.99

tXZ BIDIRPL L

2.81

3.80

tZX BIDIRPL L

2.81

3.80

Table 103. EP20K1500E fMAX LE Timing Microparameters

Symbol

-1 Speed Grade

-2 Speed Grade

-3 Speed Grade

Unit

Min

Max

Min

Max

Min

Max

tSU

0.25

tCO

0.28

0.32

0.33

tLUT

0.80

0.95

1.13

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