BQ4802YPWR vs BQ4802LYPWG4 对比
详细并排对比 BQ4802YPWR 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
BQ4802YPWR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4802YPWR [data_needed: lifecycle status]Texas Instruments
BQ4802LYPWG4 - Y2K Parallel RTC with CPU Supervisor | TI | TSSOP-28
BQ4802LYPWG4 ✓ 量产中规格对比
| 参数 | BQ4802YPWR | BQ4802LYPWG4 |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | [DATA NEEDED: Lifecycle Status] | 有效 |
| Product Type | Y2K-compliant parallel real-time clock | — |
| Time-of-Day Clock | Integrated | — |
| Calendar | Century-based | Century-based, Y2K-compliant |
| CPU Supervisor | Integrated | — |
| External Nonvolatile SRAM Control | Integrated | — |
| 电源电压 | 5 V VCC | 3 V |
| 接口类型 | Parallel | — |
| 封装 | 28-pin TSSOP | 28-pin TSSOP (PW), 0.173" (4.40 mm) width |
| Package Width | 4.40 mm | — |
| Nominal Package Length | 0.173 in | — |
| 安装类型 | Surface mount | Surface Mount |
| Clock/Calendar Category | Real-time clock (RTC) IC | — |
| Y2K Compliance | Y2K-compliant | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Maximum Operating Voltage | [DATA_NEEDED: maximum operating voltage] | — |
| 静态电流 | [DATA_NEEDED: quiescent current] | — |
| Battery-Backed SRAM Interface | External nonvolatile SRAM control | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | Compliant |
| Device Type | — | Real Time Clock (RTC) with CPU supervisor |
| 接口 | — | Parallel |
| Timekeeping Function | — | Clock/Calendar |
| Oscillator Frequency | — | 0.032 MHz (32.768 kHz) |
| 引脚数量 | — | 28 |
| 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) |
| Qualification | — | [DATA_NEEDED: AEC-Q100 / industrial qualification status] |