BQ4845S-A4G4 vs BQ4845S-A4NG4 Comparaison
Comparaison détaillée côte à côte de BQ4845S-A4G4 par Texas Instruments et BQ4845S-A4NG4 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-A4G4 | BQ4845S-A4NG4 |
|---|---|---|
| Marque | Texas Instruments | Texas Instruments |
| Catégorie | Clock & Timing | Clock & Timing |
| Statut du cycle de vie | Unknown | Unknown |
| Product Type | Real-time clock and calendar IC with CPU supervisor | — |
| Clock Interface | Parallel | — |
| Timekeeping Crystal Frequency | 32.768 kHz | — |
| Backup Battery | 3 V | — |
| Calendar Range | 100 years | — |
| Boîtier | 28-SOIC, 0.295 inch width, 7.50 mm | 28-pin SOIC, 7.50 mm width |
| Type de montage | Surface mount | — |
| 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 | — |
| Plage de température de fonctionnement | [DATA_NEEDED: Operating temperature range] | — |
| Supply Voltage Range | [DATA_NEEDED: Supply voltage range] | — |
| Courant de repos | [DATA_NEEDED: Quiescent current] | — |
| Timekeeping Accuracy | [DATA_NEEDED: Timekeeping accuracy] | — |
| Statut RoHS | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Device Type | — | Parallel real-time clock with CPU supervisor |
| Clock IC Type | — | Real-time clock (RTC) |
| Type d'interface | — | 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 |
| Nombre de broches | — | 28 pins |
| Température de fonctionnement | — | -40°C to +85°C |
| Integrated Functions | — | NVSRAM control, watchdog timer, CPU reset, interrupts, and battery-low warning |
| External SRAM Support | — | Conditional chip enable output (CEOUT) and battery voltage output (VOUT) |
| Alarm Capability | — | Supported |
| Daylight Saving Support | — | Supported |
| Leap-Year Handling | — | Supported |