AM29LV640MH SPANSION [SPANSION], AM29LV640MH Datasheet - Page 53

• Manufacturer Part Number: AM29LV640MH
• Description: 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O Control
• Manufacturer: SPANSION [SPANSION]

AC CHARACTERISTICS
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.
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.
December 14, 2005
WE#
DQ6
DQ2
Addresses
DQ6/DQ2
RY/BY#
WE#
CE#
OE#
Embedded
Erasing
Enter
Valid Data
t
DH
t
Erase
OEH
Figure 21. Toggle Bit Timings (During Embedded Algorithms)
Suspend
Erase
Erase Suspend
(first read)
Status
Read
Valid
Suspend Program
Figure 22. DQ2 vs. DQ6
t
OEPH
D A T A S H E E T
Enter Erase
Am29LV640MH/L
t
AHT
t
OE
(second read)
t
ASO
Status
Valid
Suspend
Program
Erase
t
CEPH
t
t
AHT
AS
Erase Suspend
Read
(stops toggling)
Resume
Erase
Status
Valid
Erase
Complete
Valid Data
Erase
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