微芯Microchip代理 SPI EEPROM 25AA256T-E/ST
25AA256T-E-ST
25AA256T-E-ST 是 Microchip 25AA 系列中的一款256Kbit SPI 接口串行 EEPROM 存储器芯片，采用 TSSOP-8 表面贴装封装，工作电压覆盖 1.8V–5.5V，支持最高 10MHz SPI 通信速率，具备 64 字节页写缓冲、硬件写保护、HOLD 暂停传输等功能，可实现掉电后数据长期保存，擦写寿命不低于 100 万次，数据保持时间超过 200 年；该型号为扩展汽车级，工作温度范围为 -40℃～+125℃，通过 AEC‑Q100 车规认证，广泛应用于汽车电子、工业控制、消费与智能家居、通信与物联网、医疗与工控仪表等多个领域，可满足高可靠性、高抗干扰、宽温恶劣环境的应用需求。
美国微芯（Microchip）是全球领先的嵌入式控制、模拟与存储半导体供应商，1989年成立于美国亚利桑那州，为纳斯达克上市公司（股票代码 MCHP），深耕串行 EEPROM、MCU、模拟与接口芯片领域数十年，以高可靠、低功耗、车规级品质著称；公司产品严格遵循汽车、工业级质量体系，通过 AEC‑Q100、ISO/TS16949、RoHS 等多项认证，采用 IDM 全链条自研自产模式，保障产品品质稳定与长期供货能力，其 SPI 接口 EEPROM 以 25 系列为核心，涵盖 25AA、25LC、25CS 等多个子系列，容量覆盖 1Kbit～4Mbit，适配不同场景需求，是汽车电子、工业控制、IoT 领域的主流存储方案提供商。
--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：25AA256T-E-SN
下一个：25AA256T-E-ST16KVAO
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