BQ4845P-A4 vs BQ4845S-A4NG4 مقایسه
مقایسه دقیق کنار به کنار BQ4845P-A4 توسط Texas Instruments و BQ4845S-A4NG4 توسط Texas Instruments. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
مقایسه مشخصات
| پارامتر | BQ4845P-A4 | BQ4845S-A4NG4 |
|---|---|---|
| برند | Texas Instruments | Texas Instruments |
| دسته‌بندی | Clock & Timing | Clock & Timing |
| وضعیت چرخه عمر | فعال | Unknown |
| Product Type | Parallel real-time clock and calendar 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 | — |
| 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 output (CEOUT) and battery voltage output (VOUT) |
| Conditional Chip Enable | CEOUT output | — |
| Battery Voltage Output | VOUT output | — |
| بسته‌بندی | 28-pin DIP, 0.600 inch / 15.24 mm pitch | 28-pin SOIC, 7.50 mm width |
| رابط | Parallel | — |
| وضعیت RoHS | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| دمای کاری | [DATA_NEEDED: operating temperature range] | -40°C to +85°C |
| Device Type | — | Parallel real-time clock with CPU supervisor |
| Clock IC Type | — | Real-time clock (RTC) |
| نوع رابط | — | 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 |
| تعداد پایه | — | 28 pins |
| Integrated Functions | — | NVSRAM control, watchdog timer, CPU reset, interrupts, and battery-low warning |
| Alarm Capability | — | Supported |
| Daylight Saving Support | — | Supported |
| Leap-Year Handling | — | Supported |