AM49DL640BG25IS SPANSION [SPANSION], AM49DL640BG25IS Datasheet - Page 34

• Manufacturer Part Number: AM49DL640BG25IS
• Description: Stacked Multi-Chip Package (MCP) Flash Memory and SRAM
• 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
March 8, 2002
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
Table 13. Write Operation Status
P R E L I M I N A R Y
(Note 2)
Am49DL640BG
DQ7#
DQ7#
DQ7
Data
0
1
No toggle
Toggle
Toggle
Toggle
Data
DQ6
(Note 1)
DQ5
Data
0
0
0
0
DQ3
Data
N/A
N/A
N/A
1
No toggle
(Note 2)
Toggle
Toggle
DQ2
Data
N/A
RY/BY#
0
0
1
1
0
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