AM29DL640D AMD, AM29DL640D Datasheet - Page 43

• Manufacturer Part Number: AM29DL640D
• Description: 64 Megabit CMOS 3.0 Volt-only / Simultaneous Read/Write Flash Memory
• Manufacturer: AMD

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.
Addresses
WE#
DQ6
DQ2
DQ6/DQ2
RY/BY#
WE#
OE#
CE#
Embedded
Erasing
Enter
Valid Data
t
DH
t
OEH
Erase
Figure 22. Toggle Bit Timings (During Embedded Algorithms)
Suspend
Erase
A D V A N C E
Erase Suspend
(first read)
Status
Valid
Read
t
Figure 23. DQ2 vs. DQ6
OEPH
Suspend Program
Enter Erase
Am29DL640D
t
AHT
t
OE
I N F O R M A T I O N
(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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