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参数资料
| 型号： | AT24C256N-10SU-2.7 |
| 厂商： | Atmel |
| 文件页数： | 7/23页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 256KBIT 1MHZ 8SOIC |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 256K (32K x 8) |
| 速度： | 400kHz，1MHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 剪切带 (CT) |
| 其它名称： | AT24C256N-10SU-2.7CT AT24C256N-10SU2.7 AT24C256N-10SU2.7-ND |
AT24C128/256
Device
Operation
CLOCK and DATA TRANSITIONS: The SDA pin is normally pulled high with an external
device. Data on the SDA pin may change only during SCL low time periods (see Figure 4 on
page 9). Data changes during SCL high periods will indicate a start or stop condition as
defined below.
START CONDITION: A high-to-low transition of SDA with SCL high is a start condition which
must precede any other command (see Figure 5 on page 9).
STOP CONDITION: A low-to-high transition of SDA with SCL high is a stop condition. After a
read sequence, the stop command will place the EEPROM in a standby power mode (see Fig-
ure 5 on page 9).
ACKNOWLEDGE: All addresses and data words are serially transmitted to and from the
EEPROM in 8-bit words. The EEPROM sends a zero during the ninth clock cycle to acknowl-
edge that it has received each word.
STANDBY MODE: The AT24C128/256 features a low power standby mode which is enabled:
a) upon power-up and b) after the receipt of the STOP bit and the completion of any internal
operations.
MEMORY RESET: After an interruption in protocol, power loss or system reset, any two-wire
part can be reset by following these steps: (a) Clock up to 9 cycles, (b) look for SDA high in
each cycle while SCL is high and then (c) create a start condition as SDA is high.
7
0670T–SEEPR–3/07
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT24C256U2-10UU-1.8 SL383 | 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 256K-bit 32K x 8 2.5V/3.3V 8-Pin dBGA2 T/R |
| AT24C256U2-10UU-1.8SL383 | 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 256K-Bit 32K x 8 2.5V/3.3V 8-Pin dBGA2 T/R |
| AT24C256W-10SC | 功能描述:电可擦除可编程只读存储器 256K (32Kx8) 5V RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| AT24C256W-10SC-1.8 | 功能描述:IC EEPROM 256KBIT 400KHZ 8SO 制造商:microchip technology 系列:- 包装:管件 零件状态:停產 存储器类型:非易失 存储器格式:EEPROM 技术:EEPROM 存储容量:256Kb （32K x 8） 时钟频率:400kHz 写周期时间 - 字，页:10ms 访问时间:900ns 存储器接口:I2C 电压 - 电源:1.8 V ~ 3.6 V 工作温度:0°C ~ 70°C（TA） 安装类型:表面贴装 封装/外壳:8-SOIC（0.209"，5.30mm 宽） 供应商器件封装:8-SOIC 基本零件编号:AT24C256 标准包装:94 |
| AT24C256W-10SC-2.7 | 功能描述:电可擦除可编程只读存储器 128/256k 2-Wire Bus RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
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