微芯Microchip代理 I2C EEPROM 24LC256T-E/SN
24LC256T-E-SN
24LC256T-E/SN 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。它采用 8 引脚 SOIC（小外形集成电路封装）封装，主要面向对空间、功耗和温度范围有严苛要求的工业控制、汽车电子及高温环境应用场景。
微芯科技（Microchip Technology）的EEPROM以90 nm工艺、三重测试做到85 °C下200万次擦写零故障，现场退货率业界最低；容量1 Kbit-1 Mbit，接口含I²C/SPI/Microwire并首创“部分阵列写保护”，汽车级-55 °C～+150 °C超宽温，预编程MAC地址芯片和Total Endurance™寿命预测软件助客户免烧录、量化权衡；新推MCP48FXBXX把EEPROM直接集成进DAC，掉电保存输出设定；对比欧美同级擦写更高，对国产厂商容量更大、封装更全（0.85 mm WLCSP）、拥有AEC-Q100 Grade 0认证，正向“存储+模拟”融合降低BOM与面积。
--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-SM
下一个：24LC256T-E-SN16KVAO
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