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SanDisk CompactFlash Extreme III User Manual

Page 31

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SanDisk CompactFlash Card OEM Product Manual

Interface Description

3.3.6

Attribute Memory Read Timing Specification

Table 3-12 contains common memory write timing specifications for all types of memory.

NOTE

: SanDisk CompactFlash Memory cards do not assert the -WAIT

signal.

Table 3-12

Attribute Memory Read Timing Specification

300 ns

Speed Version Item

Symbol

IEEE Symbol

t

c

(R)

300

Read Cycle Time

t

AVAV

t

a

(A)

300

t

AVQV

Address Access Time

a

t

a

(CE)

300

Card Enable Access Time

t

ELQV

Output Enable Access Time

t

a

(OE)

150

t

GLQV

Output Disable Time from -OE

t

dis

(OE)

100

t

GHQZ

Output Enable Time from -OE

t

en

(OE)

5

t

GLQNZ

t

v

(A)

0

t

AXQX

Data Valid from Add Change

a

Address Setup Time

t

su

(A)

30

t

AVGL

t

h

(A)

20

Address Hold Time

t

GHAX

Card Enable Setup Time

t

su

(CE)

0

t

ELGL

Card Enable Hold Time

t

h

(CE)

20

t

GHEH

Min.

Max.

a. The -REG signal timing is identical to address signal timing

3.3.7

Memory Timing Diagrams

Figure 3-3 Common and Attribute Memory Read Timing Diagram

NOTE

1:

Shaded areas may be high or low.

© 2007 SanDisk Corporation

3-13

Rev. 12.0, 02/07

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