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| W72M64VK-XBX Datasheet, PDF (11/16 Pages) White Electronic Designs Corporation – 2Mx64 3.3V Simultaneous Operation Flash Multi-Chip Package | |||
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White Electronic Designs
W72M64VK-XBX
FIGURE 11: TOGGLE BIT TIMINGS (DURING EMBEDDED ALGORITHMS)
Addresses
CS#
WE#
tOEH
OE#
DQ6/DQ2
tDH
Valid Data
RY/BY#
tAHT
tAS
tASO
tAHT
tCEPH
tOEPH
Valid
Status
(First Read)
tOE
Valid
Status
(Second Read)
Valid
Status
(Stops Toggling)
Valid
Data
NOTE: VA = Valid address, not required for DQ6. Illustration shows ï¬rst two status cycle after command sequence, last status read cycle, and array data read cycle.
FIGURE 12: DQ2 Vs. DQ6
WE#
DQ6
Enter
Embedded
Erasing
Erase
Suspend
Enter Erase
Suspend Program
Erase
Erase Suspend
Read
Erase
Suspend
Program
Erase
Resume
Erase Suspend Erase
Read
Erase
Complete
DQ2
NOTE: DQ2 toggles only when read at an address within an erase-suspended sector. The system may use OE# or CS# to toggle DQ2 and DQ6.
April 2005
Rev. 0
11
White Electronic Designs Corporation ⢠(602) 437-1520 ⢠www.wedc.com
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