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参数资料
| 型号： | M25PE40VMW6G |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | PROM |
| 英文描述： | 512K X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| 封装： | 0.208 INCH, ROHS COMPLIANT, PLASTIC, SOP-8 |
| 文件页数： | 8/62页 |
| 文件大小： | 565K |
| 代理商： | M25PE40VMW6G |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| M25PE40-VMW6G | 功能描述:闪存 4 Mbit Lo Vltg Page Erasable Seral 闪存 RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel |
| M25PE40-VMW6G_NUD | 制造商:Micron Technology Inc 功能描述: |
| M25PE40VMW6P | 制造商:STMICROELECTRONICS 制造商全称: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 制造商全称: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 制造商全称: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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