AM49DL640BH56IS SPANSION [SPANSION], AM49DL640BH56IS Datasheet - Page 35

• Manufacturer Part Number: AM49DL640BH56IS
• Description: 64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory
• Manufacturer: SPANSION [SPANSION]

Notes:
1. DQ5 switches to ‘1’ when an Embedded Program or Embedded Erase operation has exceeded the maximum timing limits.
2. DQ7 and DQ2 require a valid address when reading status information. Refer to the appropriate subsection for further
3. When reading write operation status bits, the system must always provide the bank address where the Embedded Algorithm
December 5, 2003
Standard
Suspend
Erase
Mode
Mode
Refer to the section on DQ5 for more information.
details.
is in progress. The device outputs array data if the system addresses a non-busy bank.
Embedded Program Algorithm
Embedded Erase Algorithm
Erase-Suspend-Program
Erase-Suspend-
Read
Status
Erase
Suspended Sector
Non-Erase
Suspended Sector
A D V A N C E
Table 13. Write Operation Status
(Note 2)
Am49DL640BH
DQ7#
DQ7#
DQ7
Data
0
1
I N F O R M A T I O N
No toggle
Toggle
Toggle
Toggle
DQ6
Data
(Note 1)
DQ5
Data
0
0
0
0
DQ3
Data
N/A
N/A
N/A
1
No toggle
(Note 2)
Toggle
Toggle
Data
DQ2
N/A
RY/BY#
0
0
1
1
0
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