SanDisk SDSDH-512 - Ultra II Flash Memory Card Manual descargar pdf (Pagina 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

(R) 300

Read Cycle Time

AVAV

(A) 300t

AVQV

Address Access Time

(CE) 300

Card Enable Access Time

ELQV

Output Enable Access Time t

(OE) 150t

GLQV

Output Disable Time from -OE t

dis

(OE) 100t

GHQZ

Output Enable Time from -OE t

(OE) 5t

GLQNZ

(A) 0t

AXQX

Data Valid from Add Change

Address Setup Time t

(A) 30t

AVGL

(A) 20

Address Hold Time

GHAX

Card Enable Setup Time t

(CE) 0t

ELGL

Card Enable Hold Time t

(CE) 20t

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.

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 107 108

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SanDisk SDSDH-512 - Ultra II Flash Memory Card Manual Pagina 31

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