BQ4845YP-A4 vs BQ4845S-A4N 对比
详细并排对比 BQ4845YP-A4 出自 Texas Instruments 和 BQ4845S-A4N 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
BQ4845YP-A4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YP-A4 UnknownTexas Instruments
BQ4845S-A4N - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845S-A4N Unknown规格对比
| 参数 | BQ4845YP-A4 | BQ4845S-A4N |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | Unknown | Unknown |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.00 |
| Product Type | Parallel real-time clock and calendar with CPU supervisor | — |
| 电源电压 | 5 V | — |
| Backup Battery Voltage | 3 V | — |
| Crystal Frequency | 32.768 kHz | — |
| Clock Accuracy | [DATA_NEEDED: clock accuracy] | — |
| Calendar Format | BCD, counting seconds through years | — |
| 接口 | Parallel | Parallel SRAM-compatible clock/calendar and control interface |
| Real-Time Clock Count | 1 timer | — |
| Backup Operating Current | Less than 500 nA | — |
| Alarm Function | Yes | — |
| Daylight Savings Correction | Yes | — |
| Leap-Year Calculation | Yes | — |
| Watchdog Timer | Yes | — |
| Microprocessor Reset | Yes | — |
| Battery Low Warning | Yes | Yes |
| External SRAM Control | Nonvolatile write-protect and backup-retention control | — |
| Conditional Chip Enable Output | CEOUT | — |
| Battery Voltage Output | VOUT | — |
| 封装 | 28-DIP, 0.600 inch (15.24 mm) | 28-pin SOIC, 0.295 inch body width, 7.50 mm width |
| 安装类型 | Through-hole | Surface mount |
| Termination Count | 28 | — |
| RoHS Compliance | RoHS compliant | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| Supplier Lifecycle Status | [DATA_NEEDED: lifecycle status] | — |
| Device Type | — | Real-time clock (RTC) with CPU supervisor |
| Timekeeping Format | — | Seconds through years in BCD format |
| Calendar Capability | — | 100-year calendar |
| Clock Crystal Frequency | — | 32.768 kHz |
| Backup Battery | — | 3 V |
| Backup Mode Clock Current | — | Less than 500 nA |
| NVSRAM Control | — | On-chip battery-backup switchover with nonvolatile external-SRAM control |
| Supervisory Functions | — | CPU supervisor, watchdog timer, and microprocessor reset features |
| Programmable Interrupts | — | Yes |
| Alarm Support | — | Yes |
| Daylight Saving Time | — | Yes |
| Leap-Year Handling | — | Yes |
| Technology | — | CMOS |
| Terminal Count | — | 28 terminals |
| RoHS 状态 | — | unknown |
| REACH Status | — | unknown |
| AEC-Q100 Qualification | — | unknown |