BQ4845YS-A4G4 vs BQ4845S-A4G4 对比
详细并排对比 BQ4845YS-A4G4 出自 Texas Instruments 和 BQ4845S-A4G4 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
BQ4845YS-A4G4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YS-A4G4 ✓ 量产中规格对比
| 参数 | BQ4845YS-A4G4 | BQ4845S-A4G4 |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | Unknown |
| Product Type | Real-time clock and calendar with CPU supervisor | Real-time clock and calendar IC with CPU supervisor |
| RTC Interface | Parallel | — |
| Clock Crystal Frequency | 32.768 kHz | — |
| Backup Battery Voltage | 3 V | — |
| System Supply Voltage | 5 V | — |
| Date Format | BCD | — |
| Clock Format | BCD | — |
| 封装 | 28-SOIC (0.295 inch, 7.50 mm width) | 28-SOIC, 0.295 inch width, 7.50 mm |
| Terminal Count | 28 terminals | — |
| 安装类型 | Surface mount | Surface mount |
| Terminal Form | Gull wing | — |
| Package Shape | Rectangular | — |
| Temperature Grade | Commercial | — |
| Integrated Functions | RTC, calendar, CPU supervisor, watchdog timer, and nonvolatile SRAM control | — |
| Chip Enable Output | Conditional chip-enable output (CEOUT) | — |
| Battery Voltage Output | VOUT | — |
| Backup Behavior | Backup cell powers the RTC and maintains external SRAM information in the absence of system voltage | — |
| Manufacturer Part Number | BQ4845YS-A4G4 | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Clock Interface | — | Parallel |
| Timekeeping Crystal Frequency | — | 32.768 kHz |
| Backup Battery | — | 3 V |
| Calendar Range | — | 100 years |
| Supervisor Functions | — | CPU supervisor and watchdog timer |
| Alarm and Interrupt Functions | — | Alarm and interrupt functions |
| External Memory Control | — | Conditional chip-enable output CEOUT |
| Battery Monitoring | — | Battery voltage output VOUT |
| Backup Retention | — | Maintains external SRAM information in the absence of system voltage |
| System-Level Use | — | Battery-backed system timing and power-failure monitoring |
| 工作温度范围 | — | [DATA_NEEDED: Operating temperature range] |
| Supply Voltage Range | — | [DATA_NEEDED: Supply voltage range] |
| 静态电流 | — | [DATA_NEEDED: Quiescent current] |
| Timekeeping Accuracy | — | [DATA_NEEDED: Timekeeping accuracy] |