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參數(shù)資料
| 型號： | FM20L08 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1Mbit Bytewide FRAM Memory ? Extended Temp |
| 中文描述： | 為1Mbit FRAM存儲器Bytewide？擴展級溫度 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大?。?/td> | 153K |
| 代理商： | FM20L08 |
FM20L08 - Extended Temp.
Rev. 1.4
Oct. 2005
Page 6 of 14
Normal Memory
Operation
Read 05555h
Read
1AAAAh
Any other
operation
Read 03333h
Read
1CCCCh
Read 100FFh
Read 0FF00
Hold Data Byte
Write 1CCCC
Data
Complement
y
n
n
n
n
n
y
y
y
y
y
n
Write 1AAAA
y
Write 0FF00
y
n
Read 00000
Enter ney
protect settings
n
Read 1AAAA
Write 1CCCC
y
Drive write protect
data out
Read 00000
n
y
n
Change Write Protect
Settings
Read Write Protect
Settings
Sequence Detector
Figure 2. Write-Protect State Machine
For example, the following sequence write-protects addresses from
00000h
to
07FFFh
and
10000h
to
13FFFh
(sectors 0, 1 & 4):
Address Data
Read 05555h -
Read 1AAAAh -
Read 03333h -
Read 1CCCCh -
Read 100FFh -
Read 0FF00h -
Write 1AAAAh 13h ; bits 0, 1, 4 = 1
Write 1CCCCh ECh
; complement of 13h
Write 0FF00h - ; Data is don’t care
Read 00000h - ; return to Normal Operation
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FM20L08-60-TG | 1Mbit Bytewide FRAM Memory ? Extended Temp |
| FM20P5X | Ultra-Low-Power Analog Temperature Sensor |
| FM20S3X | Ultra-Low-Power Analog Temperature Sensor |
| FM20 | Ultra-Low-Power Analog Temperature Sensor |
| FM230-C | Chip Schottky Barrier Diodes - Silicon epitaxial planer type |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FM20L08_07 | 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:1Mbit Bytewide FRAM Memory - Industrial Temp. |
| FM20L08-55-T | 制造商:Ramtron International Corporation 功能描述:128Kx8, 3V |
| FM20L08-60-TG | 功能描述:F-RAM 1M (128Kx8) 60ns 3.3 RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM20L08-60-TG1 | 功能描述:F-RAM 1M (128Kx8) 60ns 3.3 RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM20L08-60-TG1TR | 功能描述:F-RAM 1M (128Kx8) 60ns 3.3 RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
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