AT24C64CN-SH-B vs AT25640B-SSHL-T 对比
详细并排对比 AT24C64CN-SH-B 出自 Microchip Technology 和 AT25640B-SSHL-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
AT24C64CN-SH-B - 64Kb I2C EEPROM, 1.8-5.5V, 8-SOIC | Microchip
AT24C64CN-SH-B ✓ 量产中Microchip Technology
AT25640B-SSHL-T - 64Kb SPI EEPROM, 8-SOIC, 20 MHz | Microchip
AT25640B-SSHL-T ✓ 量产中规格对比
| 参数 | AT24C64CN-SH-B | AT25640B-SSHL-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） | $0.27 | $0.30 |
| 存储器类型 | Non-volatile EEPROM (Electrically Erasable Programmable Read-Only Memory) | Non-volatile EEPROM (Serial) |
| 存储容量 | 64 Kbit (8 K × 8) | — |
| 存储组织 | 8 K × 8 (8,192 bytes) | — |
| 接口 | I²C (2-wire serial) | SPI (Serial Peripheral Interface) |
| Clock Frequency (max) | 1 MHz (Fast-Plus mode) | — |
| Access Time | 550 ns | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| Write Endurance | 1,000,000 erase/write cycles | — |
| Data Retention | >40 years | 100 years (typical) |
| Programmable Device Addresses | Up to 8 devices (A0/A1/A2 pins) | — |
| Write Protection | Hardware WP pin | Hardware (WP pin) and software (status register) |
| 工作温度范围 | -40 °C to +85 °C | — |
| 封装 | 8-SOIC (3.90 mm / 0.154" body width) | 8-pin SOIC (SOIC-8, narrow body, 0.150") |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | MSL 1 (per JEDEC J-STD-020) | 1 (unlimited floor life) |
| Lead-Free / RoHS | Yes / Compliant | — |
| 无卤 | Yes | — |
| Memory Density | — | 64 Kbit |
| Memory Organization | — | 8192 x 8 (8 KB) |
| 最大时钟频率 | — | 20 MHz |
| Supply Voltage (VCC) | — | 1.8 V to 5.5 V |
| Page Size | — | 32 bytes |
| Endurance | — | 1,000,000 erase/write cycles per page (typical) |
| Standby Current | — | 5 µA typical at 5 V |
| Active Read Current | — | [DATA_NEEDED: active read current at 5 V] |
| Write Cycle Time | — | 5 ms typical (page write) |
| SPI Modes | — | Mode 0 (0,0) and Mode 3 (1,1) |
| 工作温度 | — | -40 °C to +85 °C (industrial) |
| AEC-Q100 | — | Qualified (AT25640B family) |
| RoHS 状态 | — | Compliant |
| Lead-Free / Halogen-Free | — | Yes |