參數(shù)資料
型號(hào)： M25PE40VMW6G
廠商： STMICROELECTRONICS
元件分類： PROM
英文描述： 512K X 8 SPI BUS SERIAL EEPROM, PDSO8
封裝： 0.208 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件頁數(shù)： 8/62頁
文件大?。?/td> 565K
代理商： M25PE40VMW6G
Operating features
M25PE40
●
The second Software Protected mode (SPM2) uses the Block Protect bits (BP2,
BP1, BP0, see Section 6.4.3)) to allow part of the memory to be configured as read-
only.
Table 2.
Software protection truth table (Sectors 0 to 7, 64-Kbyte granularity)
Sector Lock Register
Protection status
Lock
Down bit
Write
Lock bit
00
Sector unprotected from Program/Erase/Write operations, protection status
reversible
01
Sector protected from Program/Erase/Write operations, protection status
reversible
10
Sector unprotected from Program/Erase/Write operations,
sector protection status cannot be changed except by a reset or power-up.
11
Sector protected from Program/Erase/Write operations,
sector protection status cannot be changed except by a reset or power-up.
Table 3.
Protected area sizes
Status Register
content
Memory content
BP2
bit
BP1
bit
BP0
bit
Protected area
Unprotected area
0
none
All sectors(1) (eight sectors: 0 to 7)
1.
The device is ready to accept a Bulk Erase instruction if, and only if, all Block Protect bits (BP2, BP1, BP0)
are 0.
0
1
Upper eighth (sector 7)
Lower seven-eighths (seven sectors: 0 to 6)
0
1
0
Upper quarter (two sectors: 6 and
7)
Lower three-quarters (six sectors: 0 to 5)
0
1
Upper half (four sectors: 4 to 7)
Lower half (four sectors: 0 to 3)
1
0
All sectors (eight sectors: 0 to 7)
none
1
0
1
All sectors (eight sectors: 0 to 7)
none
1
0
All sectors (eight sectors: 0 to 7)
none
1
All sectors (eight sectors: 0 to 7)
none
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M25PE40-VMW6G 功能描述:閃存 4 Mbit Lo Vltg Page Erasable Seral 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
M25PE40-VMW6G_NUD 制造商:Micron Technology Inc 功能描述:
M25PE40VMW6P 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability, 50 MHz SPI bus, standard pinout
M25PE40-VMW6P 制造商:NUMONYX 制造商全稱:Numonyx B.V 功能描述:4 Mbit, page-erasable serial Flash memory with byte alterability, 75 MHz SPI bus, standard pinout
M25PE40VMW6TG 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability, 50 MHz SPI bus, standard pinout
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