BQ4845P-A4 vs BQ4845S-A4 比較
詳細並排比較 BQ4845P-A4 由 Texas Instruments 與 BQ4845S-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
BQ4845S-A4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845S-A4 ✓ 啟用中規格比較
| 參數 | BQ4845P-A4 | BQ4845S-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 | Parallel real-time clock and calendar with CPU supervisor | Parallel real-time clock with CPU supervisor |
| 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 | 3 V |
| 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 | — |
| 封裝 | 28-pin DIP, 0.600 inch / 15.24 mm pitch | 28-pin SOIC |
| 介面 | Parallel | Parallel |
| RoHS 狀態 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | — |
| Timekeeping Format | — | BCD, seconds through years |
| Crystal Frequency | — | 32.768 kHz |
| Backup Clock Current | — | Less than 500 nA |
| Integrated Functions | — | RTC, CPU supervisor, watchdog timer, reset, interrupts, battery-low warning |
| Nonvolatile SRAM Control | — | External SRAM write protection and switchover control |
| Battery-Backup Switchover | — | On-chip |
| CEOUT Function | — | Conditional chip enable output |
| VOUT Function | — | Battery voltage output |
| Package Body Width | — | 7.50 mm |
| Package Length | — | 0.295 inch |
| 安裝類型 | — | Surface mount |
| Application Categories | — | Industrial control systems, point-of-sale terminals, data loggers, computers, fax machines, copiers |
| Current Price | — | [DATA_NEEDED: current distributor unit price] |
| 工作溫度範圍 | — | [DATA_NEEDED: operating temperature range] |