參數(shù)資料
型號(hào)： AM29F160DB90FC
廠商： ADVANCED MICRO DEVICES INC
元件分類： PROM
英文描述： Switch Mode Power Supply; Series:SC40; Output Voltage:5V; Output Power Max:40W; Output Current:4A; Number of Outputs:3; Output Current 2:1A; Output Current 3:0.5A
中文描述： 1M X 16 FLASH 5V PROM, 90 ns, PDSO48
封裝： REVERSE, MO-142DD, TSOP-48
文件頁(yè)數(shù)： 14/46頁(yè)
文件大?。?/td> 914K
代理商： AM29F160DB90FC
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
AM29F160DB90FI 16 Megabit (2 M x 8-Bit/1 M x 16-Bit) CMOS 5.0 Volt-only, Boot Sector Flash Memory
AM29F160DT120 Triple 3-Input Positive-AND Gates 14-SOIC -40 to 85
AM29F160DT120EC Triple 3-Input Positive-AND Gates 14-SOIC -40 to 85
AM29F160DT120EI Triple 3-Input Positive-AND Gates 14-SO -40 to 85
AM29F160DT120FC Triple 3-Input Positive-AND Gates 14-SO -40 to 85
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM29F160DT-120EI 制造商:Spansion 功能描述:16M (2MX8/1MX16) 5V, BOOT BLOCK, TOP, TSOP48, IND - Trays
AM29F160DT-70EF\\T 制造商:Spansion 功能描述:FLASH PARALLEL 5V 16MBIT 2MX8/1MX16 70NS 48TSOP - Tape and Reel
AM29F160DT-70EF\T 制造商:Spansion 功能描述:FLASH PARALLEL 5V 16MBIT 2MX8/1MX16 70NS 48TSOP - Tape and Reel
AM29F160DT-70EI 制造商:Spansion 功能描述:NOR Flash Parallel 5V 16Mbit 2M/1M x 8bit/16bit 70ns 48-Pin TSOP
AM29F160DT-75EF 功能描述:閃存 16Mb 75ns 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
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