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参数资料
| 型号： | AT25F2048N-10SU-2.7 |
| 厂商： | Atmel |
| 文件页数： | 8/19页 |
| 文件大小： | 0K |
| 描述： | IC FLASH 2MBIT 33MHZ 8SOIC |
| 标准包装： | 100 |
| 格式 - 存储器： | 闪存 |
| 存储器类型： | FLASH |
| 存储容量： | 2M (256K x 8) |
| 速度： | 33MHz |
| 接口： | SPI 3 线串行 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 其它名称： | AT25F2048N10SU2.7 |
Table 6. Read Status Register Bit Definition
Bit
Bit 0 (RDY)
Bit 1 (WEN)
Bit 2 (BP0)
Bit 3 (BP1)
Definition
Bit 0 = 0 (RDY) indicates the device is READY. Bit 0 = 1 indicates the
write cycle is in progress.
Bit 1 = 0 indicates the device is not WRITE ENABLED. Bit 1 = 1 indicates
the device is WRITE ENABLED.
See Table 7.
See Table 7.
Bits 4-6 are 0s when device is not in an internal write cycle.
Bit 7 (WPEN)
See Table 8.
Bits 0-7 are 1s during an internal write cycle.
READ PRODUCT ID (RDID): The RDID instruction allows the user to read the manufac-
turer and product ID of the device. The first byte after the instruction will be the
manufacturer code (1FH = ATMEL), followed by the device code, 63H.
WRITE STATUS REGISTER (WRSR): The WRSR instruction allows the user to select
one of four levels of protection for the AT25F2048. The AT25F2048 is divided into four
sectors where the top quarter (1/4), top half (1/2), or all of the memory sectors can be
protected (locked out) from write. Any of the locked-out sectors will therefore be read
only. The locked-out sector and the corresponding status register control bits are shown
in Table 7.
The three bits, BP0, BP1, and WPEN, are nonvolatile cells that have the same proper-
ties and functions as the regular memory cells (e.g., WREN, t WC , RDSR).
Table 7. Block Write Protect Bits
Status Register Bits
AT25F2048
Array Addresses
Locked-out
Level
0
1(1/4)
2(1/2)
3(All)
BP1
0
0
1
1
BP0
0
1
0
1
Locked Out
None
030000 - 03FFFF
020000 - 03FFFF
000000 - 03FFFF
Sector(s)
None
Sector 4
Sector 3, 4
All sectors
(1 - 4)
8
AT25F2048
2455I–SFLSH–5/07
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT25F2048-W27-11 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2Mbit High Speed SPI Serial Flash Memory 2M (262,144 x 8) |
| AT25F2048Y7-YH27-T | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2Mbit High Speed SPI Serial Flash Memory 2M (262,144 x 8) |
| AT25F4096 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4Mbit High Speed SPI Serial Flash Memory |
| AT25F4096_06 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4Mbit High Speed SPI Serial Flash Memory |
| AT25F4096W-10SU-2.7 | 功能描述:IC FLASH 4MBIT 33MHZ 8SOIC RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:96 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:16M（2M x 8，1M x 16） 速度:70ns 接口:并联 电源电压:2.65 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP 包装:托盘 |
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