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FM21L16-60-TGTR 参数 Datasheet PDF下载

FM21L16-60-TGTR图片预览
型号: FM21L16-60-TGTR
PDF下载: 下载PDF文件 查看货源
内容描述: [Memory Circuit, 128KX16, CMOS, PDSO44, 0.400 INCH, GREEN, MS-024GAC, TSOP2-44]
分类和应用: 存储
文件页数/大小: 14 页 / 225 K
品牌: RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
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FM21L16 - 128Kx16 FRAM
Figure 2. Write-Protect State Machine
For example, the following sequence write-protects addresses from
0C000h
to
13FFFh
(sectors 3 & 4):
Address
Read 12555h
Read 1DAAAh
Read 01333h
Read 0ECCCh
Read 000FFh
Read 1FF00h
Write 1DAAAh
Write 0ECCCh
Write 0FF00h
Read 00000h
Rev. 1.0
Sept. 2007
Data
-
-
-
-
-
-
18h
E7h
-
-
;
;
;
;
bits 3 & 4 = 1
complement of 18h
Data is don’t care
return to Normal Operation
Page 6 of 14