BQ4802LYPWG4 vs BQ4847YMT 对比
详细并排对比 BQ4802LYPWG4 出自 Texas Instruments 和 BQ4847YMT 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 | BQ4802LYPWG4 | BQ4847YMT |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | 有效 |
| Device Type | Real Time Clock (RTC) with CPU supervisor | — |
| 接口 | Parallel | Parallel clock/calendar interface |
| Timekeeping Function | Clock/Calendar | — |
| 电源电压 | 3 V | — |
| Oscillator Frequency | 0.032 MHz (32.768 kHz) | — |
| 封装 | 28-pin TSSOP (PW), 0.173" (4.40 mm) width | 28-DIP module |
| 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) | — |
| 安装类型 | Surface Mount | Through-hole DIP module |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| RoHS 状态 | Compliant | unknown |
| REACH Status | Compliant | unknown |
| Qualification | [DATA_NEEDED: AEC-Q100 / industrial qualification status] | — |
| Product Type | — | Real-time clock module with CPU supervisor |
| Time Representation | — | BCD seconds through years |
| 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 |
| Package Width | — | 15.49 mm |
| Distributor Listing Size | — | 0.61 inch |
| 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] |
| AEC-Q100 Qualification | — | unknown |
| Lead-Free Status | — | unknown |