BQ4845YP-A4E3 vs BQ4845P-A4 比較
詳細並排比較 BQ4845YP-A4E3 由 Texas Instruments 與 BQ4845P-A4 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。
Texas Instruments
BQ4845YP-A4E3 - 5V Parallel RTC with Supervisor | Texas Instruments
BQ4845YP-A4E3 ✓ 啟用中規格比較
| 參數 | BQ4845YP-A4E3 | BQ4845P-A4 |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 類別 | Clock & Timing | Clock & Timing |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Product Type | Real-time clock and calendar IC with CPU supervisor | Parallel real-time clock and calendar with CPU supervisor |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| Clock Crystal Frequency | 32.768 kHz | — |
| Clock Format | BCD | — |
| Date Format | BCD | — |
| 介面類型 | Parallel | — |
| 封裝 | 28-DIP (0.600 in, 15.24 mm) | 28-pin DIP, 0.600 inch / 15.24 mm pitch |
| 安裝方式 | Through-hole | — |
| 腳位數 | 28 pins | — |
| 工作溫度範圍 | 0 °C to 70 °C | — |
| Temperature Grade | Commercial | — |
| Backup Battery Support | 3 V backup battery connection | — |
| Backup Mode Clock Current | Less than 500 nA | — |
| Watchdog Timer | Yes, programmable timeout | — |
| Power-Fail Warning | Yes | — |
| Leap-Year Feature | Yes | — |
| Daylight Savings Feature | Yes | — |
| Alarm Feature | Yes | — |
| Conditional Chip Enable Output | CEOUT for external SRAM write protection | — |
| Backup Voltage Output | VOUT for battery-voltage monitoring | — |
| RoHS 狀態 | RoHS compliant | [DATA_NEEDED: RoHS status] |
| Timekeeping | — | Seconds through years in BCD format |
| Calendar Range | — | 100 years |
| Crystal Interface | — | Direct connection for 32.768 kHz quartz crystal |
| Backup Battery | — | 3 V backup battery connection |
| Backup Current | — | Less than 500 nA in backup mode |
| CPU Supervision | — | Integrated microprocessor supervisor and reset |
| Watchdog | — | Watchdog timer function |
| Alarm | — | Alarm functionality |
| Daylight Saving | — | Daylight-saving support |
| Leap Year | — | Leap-year compensation |
| External SRAM Support | — | Write-protect and nonvolatile support for external SRAM |
| Conditional Chip Enable | — | CEOUT output |
| Battery Voltage Output | — | VOUT output |
| 介面 | — | Parallel |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| 工作溫度 | — | [DATA_NEEDED: operating temperature range] |