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參數(shù)資料
| 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 |
| 文件頁數(shù)： | 27/55頁 |
| 文件大小： | 1481K |
| 代理商： | S29AL004D70TFI023 |
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February 18, 2005 S29AL004D_00_A1
S29AL004D
25
A d v a n c e I n f o r m a t i o n
Legend:
X = Don’t care, RA = Address of the memory location to be read, RD = Data read from location RA during read operation, and
PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the WE# or CE# pulse, whichever
happens later. PD = Data to be programmed at location PA. Data latches on the rising edge of WE# or CE# pulse, whichever
happens first. SA = Address of the sector to be verified (in autoselect mode) or erased. Address bits A17–A12 uniquely select any
sector.
Notes:
1. See
Table 1 on page 11
for description of bus operations.
2. All values are in hexadecimal.
3. Except when reading array or autoselect data, all bus cycles are write operations.
4. Data bits DQ15–DQ8 are don’t cares for unlock and command cycles.
5. Address bits A17–A11 are don’t cares for unlock and command cycles, unless PA or SA required.
6. No unlock or command cycles required when reading array data.
7. The Reset command is required to return to reading array data when device is in the autoselect mode, or if DQ5
goes high (while the device is providing status data).
8. The fourth cycle of the autoselect command sequence is a read cycle.
9. The data is 00h for an unprotected sector and 01h for a protected sector. See “Autoselect Command Sequence” for
more information.
10.The Unlock Bypass command is required prior to the Unlock Bypass Program command.
11.The Unlock Bypass Reset command is required to return to reading array data when the device is in the unlock
bypass mode.
12.The system may read and program in non-erasing sectors, or enter the autoselect mode, when in the Erase Suspend
mode. The Erase Suspend command is valid only during a sector erase operation.
13.The Erase Resume command is valid only during the Erase Suspend mode.
Sector Erase
Word
Byte
6
555
AAA
XXX
XXX
AA
2AA
555
55
555
AAA
80
555
AAA
AA
2AA
555
55
SA
30
Erase Suspend (Note 12)
Erase Resume (Note 13)
1
1
B0
30
Table 5. S29AL004D Command Definitions (Sheet 2 of 2)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| S29AL004D90BAI012 | 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 |
| S29AL004D90BAI013 | 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 |
| 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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