AT25640B-SSHL-T vs AT25640B-MAHL-T 对比
详细并排对比 AT25640B-SSHL-T 出自 Microchip Technology 和 AT25640B-MAHL-T 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
AT25640B-SSHL-T - 64Kb SPI EEPROM, 8-SOIC, 20 MHz | Microchip
AT25640B-SSHL-T ✓ 量产中Microchip Technology
AT25640B-MAHL-T - 64Kb SPI EEPROM, 20MHz, 8-UDFN | Microchip
AT25640B-MAHL-T ✓ 量产中规格对比
| 参数 | AT25640B-SSHL-T | AT25640B-MAHL-T |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.30 | $0.36 |
| 存储器类型 | Non-volatile EEPROM (Serial) | EEPROM (Serial, SPI) |
| Memory Density | 64 Kbit | 64 Kbit (8 KB) |
| Memory Organization | 8192 x 8 (8 KB) | 8192 x 8 bit |
| 接口 | SPI (Serial Peripheral Interface) | SPI (Serial Peripheral Interface) |
| 最大时钟频率 | 20 MHz | 20 MHz @ 5 V |
| Supply Voltage (VCC) | 1.8 V to 5.5 V | — |
| Page Size | 32 bytes | — |
| Endurance | 1,000,000 erase/write cycles per page (typical) | >1,000,000 erase/write cycles per page |
| Data Retention | 100 years (typical) | 100 years |
| Standby Current | 5 µA typical at 5 V | 1 µA typical, 2 µA max @ 5.5 V |
| Active Read Current | [DATA_NEEDED: active read current at 5 V] | [DATA_NEEDED: active read current] |
| Write Cycle Time | 5 ms typical (page write) | ≤5 ms (byte/page) |
| SPI Modes | Mode 0 (0,0) and Mode 3 (1,1) | Mode 0 (0,0) and Mode 3 (1,1) |
| Write Protection | Hardware (WP pin) and software (status register) | — |
| 工作温度 | -40 °C to +85 °C (industrial) | — |
| 封装 | 8-pin SOIC (SOIC-8, narrow body, 0.150") | 8-UDFN (2 mm x 3 mm) with Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| AEC-Q100 | Qualified (AT25640B family) | — |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free / Halogen-Free | Yes | Yes / Yes |
| MSL 等级 | 1 (unlimited floor life) | 1 (per JEDEC J-STD-020) |
| Supply Voltage (Vcc) | — | 1.8 V to 5.5 V |
| 工作温度范围 | — | -40 °C to +85 °C (Industrial) |
| Page Write Buffer Size | — | 32 bytes |
| Write Protect | — | Hardware (WP pin) and Software block protection (upper 1/4 array) |