M41T82RM6F vs M41T81SM6F 对比
详细并排对比 M41T82RM6F 出自 STMicroelectronics 和 M41T81SM6F 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
M41T82RM6F - Low-Power I2C RTC with 32.768 kHz | STMicroelectronics
M41T82RM6F ✓ 量产中STMicroelectronics
M41T81SM6F - Serial RTC 2.7-5.5V I2C 8-SOIC | STMicroelectronics
M41T81SM6F ✓ 量产中规格对比
| 参数 | M41T82RM6F | M41T81SM6F |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.01 | $1.55 |
| Device Type | Serial I2C real-time clock and calendar | — |
| 接口 | I2C, 2-wire serial | — |
| Register Address Format | 7-bit | — |
| Clock Operating Voltage | 2.0 V to 5.5 V | — |
| Oscillator Frequency | 32.768 kHz | — |
| Oscillator Control | External crystal-controlled for SO8 package | — |
| Battery Supply Current | 365 nA ultra-low | — |
| 封装 | 8-pin SOIC | — |
| Package Width | 3.90 mm | — |
| 安装类型 | Surface mount | Surface Mount |
| 功能 | Timekeeping and calendar | Clock/Calendar with Alarms |
| Alarm Function | Available; detailed polarity and behavior require datasheet confirmation | — |
| Timer Function | Available; detailed configuration requires datasheet confirmation | — |
| Battery Backup | Supported by the M41T8x RTC family | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| Absolute Maximum Ratings | [DATA_NEEDED: absolute maximum ratings] | — |
| Manufacturer | — | STMicroelectronics |
| Product Type | — | Serial Real-Time Clock (RTC) |
| Serial Interface | — | I2C (2-Wire), 400 kHz Fast-mode |
| Supply Voltage (VCC) | — | 2.7 V to 5.5 V |
| Timekeeping Format | — | BCD (binary-coded decimal) |
| Timekeeper Registers | — | Tenths of seconds, seconds, minutes, hours, day, date, month, year, century |
| Internal SRAM | — | 64 bytes (64x8) |
| Internal Oscillator Frequency | — | 32.768 kHz (external crystal controlled) |
| 工作温度范围 | — | -40 C to +85 C |
| 封装 / 外壳 | — | 8-SOIC (0.154 inch / 3.90 mm width) |
| Programmable Alarms | — | Yes (date/day/time alarm) |
| Watchdog / SQW Output | — | Yes |
| Leap Year Compensation | — | Automatic through 2099 |
| MSL 等级 | — | 1 (unlimited) |