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Interface Description SanDisk CompactFlash Card OEM Product Manual
Table 3-10 Common Memory Read Timing Specification
100 ns
Speed Version Item Symbol IEEE Symbol
Address Hold Time th (A) 15tGHAX
Card Enable Setup Time tsu(CE) 0tELGL
Card Enable Hold Time th (CE) 15tGHEH
Min. Max.
a. The -REG signal timing is identical to address signal timing
3.3.5 Common and Attribute Memory Write Timing The write timing specifications for Common and Attribute memory are the same. All timings measured at the CompactFlash Memory Card. Skews and delays from the system driver/receiver to the card must be accounted for by the system
NOTE:SanDisk CompactFlash Memory cards do not assert the -WAIT
signal. Table 3-11 Common and Attribute Memory Write Timing Specification
100 ns
Speed Version Symbol IEEE Symbol
Write Cycle Time tc (W) 100 tAVAV
Write Pulse Width tw (WE) 60tWLWH
tsu (A) 10tAVWL
Address Setup Timea
tsu (A-WEH) 70tAVWH
Address Setup Time for -WEa
Card Enable Setup Time for -WE tsu(CE-WEH) 70tELWH
Data Setup Time form -WE tsu(D-WEH) 40tDVWH
Data Hold Time th (D) 15tWMDX
Write Recover Time trec (WE) 15tWMAX
Output Disable Time from -WE 50
tdis (WE) tWLQZ
Output Disable Time from -OE tdis (OE) 50 tGHQZ
Output Enable Time from -WE ten (WE) 5tWHQNZ
Output Enable Time from -OE ten (OE) 5tGLQNZ
Output Enable Setup from -WE tsu(OE-WE) 10tGHWL
th(OE-WE) 10
Output Enable Hold from -WE tWHGL
Card Enable Setup Time tsu (CE) 0tELWL
Card Enable Hold Time th (CE) 15tGHEH
Min. Max.
a. The -REG signal timing is identical to address signal timing.
02/07, Rev. 12.0 3-12 © 2007 SanDisk Corporation