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参数资料
| 型号： | AT25256W-10SI-2.7 |
| 厂商： | Atmel |
| 文件页数： | 9/22页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 256KBIT 3MHZ 8SOIC |
| 标准包装： | 94 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 256K (32K x 8) |
| 速度： | 2.1MHz，3MHz |
| 接口： | SPI 3 线串行 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.209"，5.30mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
AT25128/256
The AT25128/256 is capable of a 64-byte page write operation. After each byte of data
is received, the six-low order address bits are internally incremented by one; the high-
order bits of the address will remain constant. If more than 64 bytes of data are transmit-
ted, the address counter will roll over and the previously written data will be overwritten.
The AT25128/256 is automatically returned to the write disable state at the completion
of a write cycle.
NOTE: If the device is not Write enabled (WREN), the device will ignore the Write
instruction and will return to the standby state, when CS is brought high. A new CS fall-
ing edge is required to reinitiate the serial communication.
Table 10. Address Key
Address
A N
Don’t Care Bits
Timing Diagrams (for SPI Mode 0 (0, 0))
Figure 3. Synchronous Data Timing
V IH
CS
V IL
t CSS
V IH
AT25128
A 13 - A 0
A 15 - A 14
t CSH
AT25256
A 14 - A 0
A 15
t CS
SCK
SI
V IL
V IH
V IL
t SU
VALID IN
t WH
t H
t WL
t V
t HO
t DIS
SO
V OH
HI-Z
HI-Z
V OL
9
0872O–SEEPR–03/05
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT25256W-10SJ-1.8 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25256W-10SJ-2.7 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
| AT25256W10SU27 | 制造商:ATMEL 功能描述:Pb Free |
| AT-252PIN | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Attenuator |
| AT25320 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:SPI Serial EEPROMs |
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