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| AM29DL640H Datasheet, PDF (45/54 Pages) Advanced Micro Devices – 64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Read/Write Flash Memory | |||
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AC CHARACTERISTICS
Addresses
CE#
WE#
tOEH
OE#
DQ6/DQ2
tDH
Valid Data
tAHT
tAS
tOEPH
tASO
tAHT
tCEPH
Valid
Status
(first read)
tOE
Valid
Status
(second read)
Valid
Status
(stops toggling)
Valid Data
RY/BY#
Note: VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status read
cycle, and array data read cycle
Figure 23. Toggle Bit Timings (During Embedded Algorithms)
WE#
Enter
Embedded
Erasing
Erase
Suspend
Enter Erase
Suspend Program
Erase
Erase Suspend
Read
Erase
Suspend
Program
Erase
Resume
Erase Suspend
Read
Erase
DQ6
Erase
Complete
DQ2
Note: DQ2 toggles only when read at an address within an erase-suspended sector. The system may use OE# or CE# to toggle
DQ2 and DQ6.
Figure 24. DQ2 vs. DQ6
February 9, 2005
Am29DL640H
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