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参数资料
| 型号： | AT24C256N-10SU-2.7 |
| 厂商： | Atmel |
| 文件页数： | 3/23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
Pin Description
Memory
Organization
SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each
EEPROM device and negative edge clock data out of each device.
SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is open-
drain driven and may be wire-ORed with any number of other open-drain or open collector
devices.
DEVICE/ADDRESSES (A1, A0): The A1 and A0 pins are device address inputs that are hard-
wired or left not connected for hardware compatibility with other AT24CXX devices. When the
pins are hardwired, as many as four 128K/256K devices may be addressed on a single bus
system (device addressing is discussed in detail under the Device Addressing section). If the
pins are left floating, the A1 and A0 pins will be internally pulled down to GND if the capacitive
coupling to the circuit board V CC plane is <3 pF. If coupling is >3 pF, Atmel recommends con-
necting the address pins to GND.
WRITE PROTECT (WP): The write protect input, when connected to GND, allows normal write
operations. When WP is connected high to V CC , all write operations to the memory are inhib-
ited. If the pin is left floating, the WP pin will be internally pulled down to GND if the capacitive
coupling to the circuit board V CC plane is <3 pF. If coupling is >3 pF, Atmel recommends con-
necting the pin to GND.
AT24C128/256, 128K/256K SERIAL EEPROM: The 128K/256K is internally organized as
256/512 pages of 64-bytes each. Random word addressing requires a 14/15-bit data word
address.
3
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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