BQ4845S-A4NG4 vs BQ4845S-A4G4 比較
詳細並排比較 BQ4845S-A4NG4 由 Texas Instruments 與 BQ4845S-A4G4 由 Texas Instruments. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | BQ4845S-A4NG4 | BQ4845S-A4G4 |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 類別 | Clock & Timing | Clock & Timing |
| 生命週期狀態 | Unknown | Unknown |
| Device Type | Parallel real-time clock with CPU supervisor | — |
| Clock IC Type | Real-time clock (RTC) | — |
| 介面類型 | 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 | — |
| 封裝 | 28-pin SOIC, 7.50 mm width | 28-SOIC, 0.295 inch width, 7.50 mm |
| 腳位數 | 28 pins | — |
| 工作溫度 | -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 狀態 | [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 |
| 安裝類型 | — | 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 |
| 工作溫度範圍 | — | [DATA_NEEDED: Operating temperature range] |
| Supply Voltage Range | — | [DATA_NEEDED: Supply voltage range] |
| 靜態電流 | — | [DATA_NEEDED: Quiescent current] |
| Timekeeping Accuracy | — | [DATA_NEEDED: Timekeeping accuracy] |