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參數(shù)資料
| 型號(hào)： | AM29F160DT75EI |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | Triple 3-Input Positive-AND Gates 14-TSSOP -40 to 85 |
| 中文描述： | 1M X 16 FLASH 5V PROM, 70 ns, PDSO48 |
| 封裝： | MO-142DD, TSOP-48 |
| 文件頁數(shù)： | 14/46頁 |
| 文件大?。?/td> | 914K |
| 代理商： | AM29F160DT75EI |
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Am29F160D
13
Write Protect (WP#)
The Write Protect function provides a hardware
method of protecting the 16 Kbyte boot sector without
using V
ID
.
If the system asserts V
IL
on the WP# pin, the device
disables program and erase functions for the 16 Kbyte
boot sector (SA34 for top boot device and SA0 for bot-
tom boot device) independently of whether those sec-
tors were protected or unprotected using the method
described in “Sector Protection/Unprotection”.
If the system asserts V
IH
on the WP# pin, the device
reverts to whether the 16 Kbyte boot sector was previ-
ously set to be protected or unprotected using the
method described in “Sector Protection/Unprotection”.
Temporary Sector Unprotect
This feature allows temporary unprotection of previ-
ously protected sectors to change data in-system. The
Sector Unprotect mode is activated by setting the RE-
SET# pin to V
ID
. During this mode, formerly protected
sectors can be programmed or erased by selecting the
sector addresses. Note, however, that the boot sector
will still be protected if WP# is asserted low. Once V
ID
is removed from the RESET# pin, all the previously pro-
tected sectors are protected again. Figure shows the
algorithm, and Figure 19 shows the timing diagrams,
for this feature.
Figure 1.
Temporary Sector Unprotect Operation
START
Perform Erase or
Program Operations
RESET# = V
IH
Temporary Sector
Unprotect Completed
(Note 2)
RESET# = V
ID
(Note 1)
Notes:
1. All protected sectors unprotected. Boot sector remains
protected if WP# is low.
2. All previously protected sectors are protected once
again.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM29F160DT75FC | Triple 3-Input Positive-AND Gates 14-TSSOP -40 to 85 |
| AM29F160DT75FI | Triple 3-Input Positive-AND Gates 14-TSSOP -40 to 85 |
| AM29F200AB-120FI | 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 5.0 Volt-only, Boot Sector Flash Memory |
| Am29F200AB-55SEB | 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 5.0 Volt-only, Boot Sector Flash Memory |
| AM29F200AB-55SI | 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 5.0 Volt-only, Boot Sector Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM29F160DT-90EE | 制造商:Spansion 功能描述:16M (2MX8/1MX16) 5V, BOOT BLOCK, TOP, TSOP48, EXT - Trays |
| AM29F160DT-90EF | 功能描述:閃存 16Mb 90ns 5V Parallel NOR 閃存 RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AM29F160DT-90EI | 功能描述:閃存 IC 16MX16, 3V 100K FLSH, BOTTM RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AM29F200AB-120DPE1 | 制造商:Spansion 功能描述:5V 2M FLASH KNOWN GOOD DIE W/ BOTTOM BOOT (EXTENDED TEMP) - Gel-pak, waffle pack, wafer, diced wafer on film |
| AM29F200AB-90SC | 制造商:Advanced Micro Devices 功能描述:NOR Flash, 128K x 16, 44 Pin, Plastic, SOP |
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