BQ4845S-A4NTR vs BQ4845S-A4NTRG4 مقایسه
مقایسه دقیق کنار به کنار BQ4845S-A4NTR توسط Texas Instruments و BQ4845S-A4NTRG4 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.
Texas Instruments
BQ4845S-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4845S-A4NTR Unknownمقایسه مشخصات
| پارامتر | BQ4845S-A4NTR | BQ4845S-A4NTRG4 |
|---|---|---|
| برند | Texas Instruments | Texas Instruments |
| دسته‌بندی | Clock & Timing | Clock & Timing |
| وضعیت چرخه عمر | Unknown | فعال |
| Device Type | Real-time clock (RTC) with CPU supervisor | — |
| Timekeeping Format | Seconds through years in BCD format | — |
| Calendar Capability | 100-year calendar | — |
| رابط | Parallel SRAM-compatible clock/calendar and control interface | — |
| Clock Crystal Frequency | 32.768 kHz | — |
| Backup Battery | 3 V | — |
| Backup Mode Clock Current | Less than 500 nA | — |
| NVSRAM Control | On-chip battery-backup switchover with nonvolatile external-SRAM control | — |
| Supervisory Functions | CPU supervisor, watchdog timer, and microprocessor reset features | — |
| Programmable Interrupts | Yes | — |
| Alarm Support | Yes | — |
| Daylight Saving Time | Yes | — |
| Leap-Year Handling | Yes | — |
| Battery Low Warning | Yes | — |
| بسته‌بندی | 28-pin SOIC, 0.295 inch body width, 7.50 mm width | 28-pin SOIC, 7.50 mm width |
| Technology | CMOS | — |
| Terminal Count | 28 terminals | — |
| محدوده دمای کاری | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| نوع نصب | Surface mount | Surface mount |
| وضعیت RoHS | unknown | [DATA_NEEDED: RoHS status] |
| REACH Status | unknown | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | unknown | [DATA_NEEDED: AEC-Q100 qualification] |
| Product Type | — | Parallel real-time clock and calendar with CPU supervisor |
| Main Supply Voltage Range | — | 4.75 V to 5.5 V |
| Backup Battery Voltage Range | — | 2.3 V to 4 V |
| Crystal Frequency | — | 32.768 kHz |
| Clock Format | — | BCD |
| Date Format | — | BCD |
| Host Interface | — | Parallel |
| Operating Features | — | Alarm, daylight-saving time, leap year, watchdog timer, processor reset, interrupt, and battery-low warning |
| Calendar Range | — | 100 years |
| Backup Clock Operating Current | — | Less than 500 nA |
| Watchdog Input Bias | — | Approximately 1.6 V through a 100 kilohm-equivalent internal resistor network |
| Battery Voltage Output | — | VOUT output available |
| External SRAM Control | — | CEOUT write-protection output available |
| Power-Fail Behavior | — | Watchdog disabled and WDI disconnected from the internal resistor network below the power-fail threshold |