beautypg.com

3 external memory timing, Table 6.32 external memory read, External memory timing – Avago Technologies LSI53C895A User Manual

Page 299: External memory read

background image

PCI and External Memory Interface Timing Diagrams

6-39

6.4.3 External Memory Timing

Tables

6.32

through

6.39

and Figures

6.25

through

6.34

describe

External Memory timing.

Table 6.32

External Memory Read

Symbol

Parameter

Min

Max

Unit

t

1

Shared signal input setup time

7

ns

t

2

Shared signal input hold time

0

ns

t

3

CLK to shared signal output valid

11

ns

t

11

Address setup to MAS/ HIGH

25

ns

t

12

Address hold from MAS/ HIGH

15

ns

t

13

MAS/ pulse width

25

ns

t

14

MCE/ LOW to data clocked in

150

ns

t

15

Address valid to data clocked in

205

ns

t

16

MOE/ LOW to data clocked in

100

ns

t

17

Data hold from address, MOE/, MCE/ change

0

ns

t

19

Data setup to CLK HIGH

5

ns