微芯Microchip代理 I2C EEPROM 24LC256T-E/MS
24LC256T-E-MS
24LC256T-E/MS 是 Microchip Technology 生产的 256 Kbit 串行 EEPROM 存储器芯片，属于 24LC 系列。其存储阵列组织为 32K x 8（32,768 字节），采用标准的 I²C 接口，最高时钟频率为 400 kHz，工作电压范围为 1.7V 至 5.5V（宽压设计），并能适应 -40°C 至 +125°C 的扩展工业级工作温度。该芯片提供 64 字节 的页写入缓冲区，自定时写周期最长为 5 ms，访问时间为 900 ns，并配备硬件写保护（WP）引脚。其设计注重高可靠性，支持超过 100 万次 的擦写周期，数据保存期限可达 200 年，ESD 保护大于 4000V。
微芯科技（Microchip）的 EEPROM 产品线覆盖 1 Kbit～1 Mbit，提供I²C（24AA/24LC/24CS、AT24C）、SPI（25LC/25AA）、UNI/O（11AA/11LC）三大接口，电压 1.7 V～5.5 V，工业级 −40 °C～+85 °C、车规级 −40 °C～+125 °C，写周期 5 ms，擦写寿命 >100 万次，数据保持 40～200 年。芯片采用 0.85 mm×1.38 mm WLCSP、SOT-23、SOIC、TQFP 等全系列封装，待机电流 1 µA，SPI 最高时钟 20 MHz，I²C 最高 3.4 MHz，内置块写保护、ID 页锁定、ESD>4 kV。典型应用包括汽车 ABS/摄像头模组、工业传感器与电表、智能家居网关、消费电子 DLP 投影、蓝牙耳机、血糖仪以及 DIMM SPD 温度传感器等需要掉电保存校准值、用户设置或加密密钥的场景。
--I2C 256Kbit EEPROM--
| Part Number | Interface | Capacity (kb) | Pkg. | Voltage | Temp | Download |
| 24AA256-E-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256-E-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256-E-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256-E-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256-E-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256-I-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256-I-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256-I-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256T-E-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256T-E-MNY | I2C | 256Kbit | TDFN | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256T-E-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256T-E-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256T-E-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256T-E-SNCODTW | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256T-E-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256T-E-ST16KVAO | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24AA256T-I-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256T-I-MNY | I2C | 256Kbit | TDFN | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256T-I-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256T-I-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256T-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256T-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256UID-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256UID-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256UIDT-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24AA256UIDT-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256-E-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256-E-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256-E-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256-E-SN66KVAO | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256-I-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256-I-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256T-E-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-MS66KVAO | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-OT | I2C | 256Kbit | SOT-23 | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-OT66KVAO | I2C | 256Kbit | SOT-23 | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-Q4B | I2C | 256Kbit | UDFN | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-Q4B66KVAO | I2C | 256Kbit | UDFN | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-SN66KVAO | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-E-ST66KVAO | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24CS256T-I-CS0668 | I2C | 256Kbit | WLCSP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256T-I-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256T-I-OT | I2C | 256Kbit | SOT-23 | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256T-I-Q4B | I2C | 256Kbit | UDFN | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256T-I-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256T-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24CS256T-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256-E-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24FC256-E-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24FC256-E-ST16KVAO | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24FC256-I-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256-I-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256-I-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256T-E-OT | I2C | 256Kbit | SOT-23 | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24FC256T-E-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24FC256T-E-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24FC256T-E-ST16KVAO | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24FC256T-I-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256T-I-MNY | I2C | 256Kbit | TDFN | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256T-I-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256T-I-OT | I2C | 256Kbit | SOT-23 | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256T-I-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256T-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24FC256T-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256-E-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256-E-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256-E-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256-E-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256-E-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256-E-ST16KVAO | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256-I-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256-I-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256-I-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256T-E-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256T-E-MNY | I2C | 256Kbit | TDFN | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256T-E-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256T-E-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256T-E-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256T-E-SN16KVAO | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256T-E-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256T-E-ST16KVAO | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 24LC256T-I-MF | I2C | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256T-I-MNY | I2C | 256Kbit | TDFN | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256T-I-MS | I2C | 256Kbit | MSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256T-I-SM | I2C | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256T-I-SN | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 24LC256T-I-ST | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT24C256C-MAHL-E | I2C | 256Kbit | UDFN | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT24C256C-MAHL-T | I2C | 256Kbit | UDFN | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT24C256C-MAPD-E | I2C | 256Kbit | UDFN | 1.7V~5.5V | -40C to +125C | 暂无 |
| AT24C256C-MAPD-T | I2C | 256Kbit | UDFN | 1.7V~5.5V | -40C to +125C | 暂无 |
| AT24C256C-SSHL-B | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT24C256C-SSHL-T | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT24C256C-SSPD-T | I2C | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| AT24C256C-XHL-B | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT24C256C-XHL-T | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT24C256C-XPD-T | I2C | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
--SPI 256Kbit EEPROM--
| Part Number | Interface | Capacity (kb) | Pkg. | Voltage | Temp | Download |
| 25AA256-E-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256-E-SM | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256-E-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256-E-ST | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256-I-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25AA256-I-SM | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25AA256-I-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25AA256-I-ST | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25AA256T-E-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256T-E-SM | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256T-E-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256T-E-ST | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256T-E-ST16KVAO | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25AA256T-I-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25AA256T-I-SM | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25AA256T-I-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25AA256T-I-ST | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256-E-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256-E-SM | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256-E-SM16KVAO | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256-E-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256-E-SN16KVAO | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256-E-ST | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256-E-ST16KVAO | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256-H-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +150C | 暂无 |
| 25LC256-I-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256-I-SM | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256-I-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256-I-ST | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256-M-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -55C to +125C | 暂无 |
| 25LC256T-E-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256T-E-SM | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256T-E-SM16KVAO | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256T-E-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256T-E-SN16KVAO | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256T-E-ST | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256T-E-ST16KVAO | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
| 25LC256T-H-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +150C | 暂无 |
| 25LC256T-I-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256T-I-SM | SPI | 256Kbit | SOIJ | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256T-I-SN | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256T-I-ST | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| 25LC256T-M-MF | SPI | 256Kbit | DFN-S | 1.7V~5.5V | -55C to +125C | 暂无 |
| AT25256B-MAHL-E | SPI | 256Kbit | UDFN | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT25256B-MAHL-T | SPI | 256Kbit | UDFN | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT25256B-MAPDGV-E | SPI | 256Kbit | UDFN | 1.7V~5.5V | -40C to +125C | 暂无 |
| AT25256B-MAPDGV-T | SPI | 256Kbit | UDFN | 1.7V~5.5V | -40C to +125C | 暂无 |
| AT25256B-SSHL-B | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT25256B-SSHL-T | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT25256B-SSPDGV-T | SPI | 256Kbit | SOIC | 1.7V~5.5V | -40C to +125C | 暂无 |
| AT25256B-XHL-B | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT25256B-XHL-T | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +85C | 暂无 |
| AT25256B-XPDGV-T | SPI | 256Kbit | TSSOP | 1.7V~5.5V | -40C to +125C | 暂无 |
上一个：24LC256T-E-MNY
下一个：24LC256T-E-SM
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