BQ4845S-A4NTRG4 vs BQ4845S-A4G4 Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci BQ4845S-A4NTRG4 disebabkan oleh Texas Instruments dan BQ4845S-A4G4 disebabkan oleh Texas Instruments. Bandingkan spesifikasi utama, parameter elektrik, pakej, status kehidupan, harga, dan keupayaan untuk menentukan komponen terbaik untuk keperluan disenjaya anda.
Pengandingan Spesifikasi
| Parametr | BQ4845S-A4NTRG4 | BQ4845S-A4G4 |
|---|---|---|
| Merek | Texas Instruments | Texas Instruments |
| Kategori | Clock & Timing | Clock & Timing |
| Status Lingkungan Hidup | Aktif | Unknown |
| Product Type | Parallel real-time clock and calendar with CPU supervisor | Real-time clock and calendar IC 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 | — |
| Kemasan | 28-pin SOIC, 7.50 mm width | 28-SOIC, 0.295 inch width, 7.50 mm |
| Jenis Pemasangan | Surface mount | Surface mount |
| Operating Features | Alarm, daylight-saving time, leap year, watchdog timer, processor reset, interrupt, and battery-low warning | — |
| Calendar Range | 100 years | 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 | — |
| Status RoHS | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Gambaran Suhu Operasi | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: Operating temperature range] |
| Clock Interface | — | Parallel |
| Timekeeping Crystal Frequency | — | 32.768 kHz |
| Backup Battery | — | 3 V |
| 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 |
| Supply Voltage Range | — | [DATA_NEEDED: Supply voltage range] |
| Arus Dalam Tentera | — | [DATA_NEEDED: Quiescent current] |
| Timekeeping Accuracy | — | [DATA_NEEDED: Timekeeping accuracy] |