beautypg.com

4 external memory timing diagrams, 1 nvsram timing, Table5.16 nvsram read cycle timing – Avago Technologies LSI53C1020 User Manual

Page 132: External memory timing diagrams, Nvsram timing, Nvsram read cycle timing, Section 5.4, “external memory timing diagrams

background image

5-12

Specifications

Version 2.4

Copyright © 2001–2004 by LSI Logic Corporation. All rights reserved.

5.4

External Memory Timing Diagrams

This section provides timing diagrams and data for NVSRAM and Flash
ROM timings.

5.4.1

NVSRAM Timing

Table 5.16

and

Figure 5.8

provide the timing information for the Memory

Address and Data (MAD) bus NVSRAM read accesses.

Table 5.16

NVSRAM Read Cycle Timing

Symbol

Parameter

Min

Max

Unit

t

1

Address setup to FLSHALE/ HIGH

25

ns

t

2

Address hold from FLSHALE/ HIGH

25

ns

t

3

FLSHALE/ pulse width

25

ns

t

4

Address valid to data clocked in

135

ns

t

5

RAMCE/ LOW to data clocked in

85

ns

t

6

RAMOE/ LOW to data clocked in

75

ns

t

7

Data setup to RAMOE/ HIGH

10

ns

t

8

Data setup to RAMCE/ HIGH

10

ns

t

9

Data hold from RAMCE/ HIGH

0

ns

This manual is related to the following products: