M48T02-70PC1 vs M48T58-70PC1 对比
详细并排对比 M48T02-70PC1 出自 STMicroelectronics 和 M48T58-70PC1 出自 STMicroelectronics。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。
STMicroelectronics
M48T02-70PC1 - 5V 16Kbit TimeKeeper SRAM RTC | STMicroelectronics
M48T02-70PC1 ✓ 量产中STMicroelectronics
M48T58-70PC1 - 64Kbit Timekeeper SRAM RTC 70ns | STMicroelectronics
M48T58-70PC1 ✓ 量产中规格对比
| 参数 | M48T02-70PC1 | M48T58-70PC1 |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 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） | $12.40 | $10.40 |
| 存储器类型 | Non-volatile TimeKeeper SRAM (NV-SRAM + RTC) | — |
| 存储容量 | 16 Kbit (2 Kb x 8) | 64 Kbit (8 Kb x 8) |
| 接口 | Parallel (asynchronous) | — |
| Access Time | 70 ns | 70 ns |
| Operating Voltage (VCC) | 5.0 V (4.75 V to 5.5 V) | — |
| Backup Cell | Integrated lithium coin cell (internal) | — |
| Data Retention | Minimum 10 years without VCC | — |
| Clock Functions | Sec/Min/Hr/Day/Date/Month/Year, BCD format, leap-year compensation to 2099 | — |
| 封装 | 24-pin DIP Module (PC1), 0.600 inch / 15.24 mm row spacing | 28-pin DIP Module (CAPHAT), 0.600 inch (15.24 mm) |
| Pinout Compatibility | Pin and function compatible with JEDEC 2 Kb x 8 SRAM | — |
| Power-Fail Write Protection | Yes (internal, battery-backed) | — |
| Programmable Output | Square-wave output (selectable) | — |
| 工作温度 | 0C to +70C (commercial grade) | 0C to +70C |
| 安装类型 | Through-Hole (DIP Module) | Through-Hole (DIP Module) |
| RoHS 状态 | [DATA_NEEDED: RoHS status - DIP Module with internal lithium cell is typically non-RoHS; confirm in datasheet] | Compliant |
| Product Type | — | Non-volatile Timekeeper SRAM with Real-Time Clock |
| Memory Organization | — | 8 K x 8 |
| Supply Voltage (VCC) | — | 4.75 V to 5.5 V |
| 接口类型 | — | Parallel |
| Clock/Calendar | — | BCD-coded year/month/day/date/hour/minute/second |
| Battery Backup | — | Integrated lithium cell |
| Data Retention (battery) | — | 10 years typical |
| Write Protection | — | Automatic power-fail write-protect |
| Frequency Test Output | — | Yes (for RTC) |
| JEDEC SRAM Compatibility | — | Pin- and function-equivalent to JEDEC 8K x 8 SRAM |