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| 型號(hào)： | S29AL004D70TFI023 |
| 廠商： | SPANSION LLC |
| 元件分類： | DRAM |
| 英文描述： | 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| 中文描述： | 256K X 16 FLASH 3V PROM, 70 ns, PDSO48 |
| 封裝： | MO-142DD, LEAD FREE, TSOP-48 |
| 文件頁(yè)數(shù)： | 33/55頁(yè) |
| 文件大小： | 1481K |
| 代理商： | S29AL004D70TFI023 |
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February 18, 2005 S29AL004D_00_A1
S29AL004D
31
A d v a n c e I n f o r m a t i o n
accepts additional sector erase commands. To ensure the command is 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 6
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 on page 29
for more information.
2. DQ7 and DQ2 require a valid address when reading status information. Refer to the appropriate subsection for further
details.
Table 6. Write Operation Status
Operation
Embedded Program Algorithm
Embedded Erase Algorithm
Reading within Erase
Suspended Sector
Reading within Non-Erase
Suspended Sector
Erase-Suspend-Program
DQ7
(Note 2)
DQ7#
0
DQ6
Toggle
Toggle
DQ5
(Note 1)
0
0
DQ3
N/A
1
DQ2
(Note 2)
No toggle
Toggle
RY/BY#
0
0
Standard
Mode
Erase
Suspend
Mode
1
No toggle
0
N/A
Toggle
1
Data
Data
Data
Data
Data
1
DQ7#
Toggle
0
N/A
N/A
0
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| S29AL004D90BAI010 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
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| S29AL004D90BAI020 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
| S29AL004D90BAI022 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory |
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