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參數(shù)資料
| 型號： | AM29BDD160GT65AKK |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 16 Megabit (1 M x 16-bit/512 K x 32-Bit), CMOS 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/Write Flash Memory |
| 中文描述： | 512K X 32 FLASH 2.7V PROM, 67 ns, PQFP80 |
| 封裝： | LEAD FREE, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 52/80頁 |
| 文件大?。?/td> | 3476K |
| 代理商： | AM29BDD160GT65AKK |
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54
Am29BDD160G
additional sectors are selected for erasure, the entire
time-out also applies after each additional sector
erase command. When the time-out is complete,
DQ3 switches from “0” to “1.” The system may ig-
nore DQ3 if the system can guarantee that the time
between additional sector erase commands will al-
ways be less than 50 s. See also the Sector Erase
Command section.
After the sector erase command sequence is written,
the system should read the status on DQ7 (Data#
Polling) or DQ6 (Toggle Bit I) to ensure the device
has accepted the command sequence, and then read
DQ3. If DQ3 is “1”, the internally controlled erase
cycle has begun; all further commands (other than
Erase Suspend) are ignored until the erase operation
is complete. If DQ3 is “0”, the device will accept ad-
ditional sector erase commands. To ensure the
command has been accepted, the system software
should check the status of DQ3 prior to and following
each subsequent sector erase command. If DQ3 is
high on the second status check, the last command
might not have been accepted. Table 23 shows the
outputs for DQ3.
Notes:
1. DQ5 switches to ‘1’ when an Embedded Program or Embedded Erase operation has exceeded the maximum timing limits.
See DQ5: Exceeded Timing Limits for more information.
2. DQ7 and DQ2 require a valid address when reading status information. Refer to the appropriate subsection for further
details.
Table 23. Write Operation Status
Operation
DQ7
(Note 2)
DQ6
DQ5 (Note
1)
DQ3
DQ2 (Note
2)
RY/BY#
Standard
Mode
Embedded Program Algorithm
DQ7#
Toggle
0
N/A
No toggle
0
Embedded Erase Algorithm
0
Toggle
0
1
Toggle
0
Erase
Suspend
Mode
Reading within Erase Suspended
Sector
1
No toggle
0
N/A
Toggle
1
Reading within Non-Erase
Suspended Sector
Data
1
Erase-Suspend-Program
DQ7#
Toggle
0
N/A
0
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