BQ4845S-A4NG4 vs BQ4845S-A4G4 对比
详细并排对比 BQ4845S-A4NG4 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。
规格对比
| 参数 | BQ4845S-A4NG4 | BQ4845S-A4G4 |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | Unknown | Unknown |
| Device Type | Parallel real-time clock with CPU supervisor | — |
| Clock IC Type | Real-time clock (RTC) | — |
| 接口类型 | Parallel | — |
| Clock Format | BCD | — |
| Date Format | BCD | — |
| Calendar | 100-year calendar | — |
| Crystal Frequency | 32.768 kHz | — |
| System Supply Voltage | 5 V | — |
| Backup Battery Voltage | 3 V | — |
| 封装 | 28-pin SOIC, 7.50 mm width | 28-SOIC, 0.295 inch width, 7.50 mm |
| 引脚数量 | 28 pins | — |
| 工作温度 | -40°C to +85°C | — |
| Integrated Functions | NVSRAM control, watchdog timer, CPU reset, interrupts, and battery-low warning | — |
| External SRAM Support | Conditional chip enable output (CEOUT) and battery voltage output (VOUT) | — |
| Alarm Capability | Supported | — |
| Daylight Saving Support | Supported | — |
| Leap-Year Handling | Supported | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Product Type | — | Real-time clock and calendar IC with CPU supervisor |
| Clock Interface | — | Parallel |
| Timekeeping Crystal Frequency | — | 32.768 kHz |
| Backup Battery | — | 3 V |
| Calendar Range | — | 100 years |
| 安装类型 | — | Surface mount |
| 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] |