BQ4847YMT vs BQ4802LYPWG4 对比
详细并排对比 BQ4847YMT 出自 Texas Instruments 和 BQ4802LYPWG4 出自 Texas Instruments。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。
Texas Instruments
BQ4802LYPWG4 - Y2K Parallel RTC with CPU Supervisor | TI | TSSOP-28
BQ4802LYPWG4 ✓ 量产中规格对比
| 参数 | BQ4847YMT | BQ4802LYPWG4 |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | 有效 |
| Product Type | Real-time clock module with CPU supervisor | — |
| Time Representation | BCD seconds through years | — |
| 接口 | Parallel clock/calendar interface | Parallel |
| Integrated Functions | RTC, CPU supervisor, watchdog timer, reset, interrupts, battery-low warning | — |
| Battery Type | Integrated 130 mAh battery | — |
| Clock Accuracy | ±1 minute per month | — |
| Backup Control | On-chip battery-backup switchover circuit | — |
| External SRAM Control | Nonvolatile control for an external SRAM | — |
| Crystal | Integrated quartz crystal | — |
| 封装 | 28-DIP module | 28-pin TSSOP (PW), 0.173" (4.40 mm) width |
| Package Width | 15.49 mm | — |
| Distributor Listing Size | 0.61 inch | — |
| 安装类型 | Through-hole DIP module | Surface Mount |
| Reset and Watchdog | CPU supervisor with watchdog and reset functions | — |
| Battery Warning | Battery-low warning feature | — |
| Interrupt Support | Interrupt features | — |
| Calendar Range | Seconds through years | — |
| Operating Voltage Range | [DATA_NEEDED: operating voltage range] | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| RoHS 状态 | unknown | Compliant |
| REACH Status | unknown | Compliant |
| AEC-Q100 Qualification | unknown | — |
| Lead-Free Status | unknown | — |
| Device Type | — | Real Time Clock (RTC) with CPU supervisor |
| Timekeeping Function | — | Clock/Calendar |
| 电源电压 | — | 3 V |
| Oscillator Frequency | — | 0.032 MHz (32.768 kHz) |
| 引脚数量 | — | 28 |
| Calendar | — | Century-based, Y2K-compliant |
| Alarm Function | — | Yes, with interrupt |
| Daylight Savings | — | Supported |
| Leap Year Handling | — | Automatic |
| Watchdog Timer | — | Yes |
| CPU Supervisor / Reset | — | Yes, with supply-voltage comparator |
| Supply Monitoring | — | Temperature-compensated reference and comparator with interrupt warning before reset |
| External NVSRAM Control | — | Yes (LY variant) |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| Qualification | — | [DATA_NEEDED: AEC-Q100 / industrial qualification status] |