BQ4845S-A4NTRG4 vs BQ4845S-A4G4 Comparaison
Comparaison détaillée côte à côte de BQ4845S-A4NTRG4 par Texas Instruments et BQ4845S-A4G4 par Texas Instruments. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Comparaison des spécifications
| Paramètre | BQ4845S-A4NTRG4 | BQ4845S-A4G4 |
|---|---|---|
| Marque | Texas Instruments | Texas Instruments |
| Catégorie | Clock & Timing | Clock & Timing |
| Statut du cycle de vie | Actif | 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 | — |
| Boîtier | 28-pin SOIC, 7.50 mm width | 28-SOIC, 0.295 inch width, 7.50 mm |
| Type de montage | 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 | — |
| Statut 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] | — |
| Plage de température de fonctionnement | [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] |
| Courant de repos | — | [DATA_NEEDED: Quiescent current] |
| Timekeeping Accuracy | — | [DATA_NEEDED: Timekeeping accuracy] |