BQ4845P-A4 vs BQ4845S-A4NG4 Comparaison
Comparaison détaillée côte à côte de BQ4845P-A4 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.
Texas Instruments
BQ4845P-A4 Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845P-A4 ✓ Actif
Comparaison des spécifications
| Paramètre | BQ4845P-A4 | BQ4845S-A4NG4 |
|---|---|---|
| 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 | — |
| 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 | — |
| Boîtier | 28-pin DIP, 0.600 inch / 15.24 mm pitch | 28-pin SOIC, 7.50 mm width |
| Interface | Parallel | — |
| Statut RoHS | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Température de fonctionnement | [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) |
| 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 |
| Integrated Functions | — | NVSRAM control, watchdog timer, CPU reset, interrupts, and battery-low warning |
| Alarm Capability | — | Supported |
| Daylight Saving Support | — | Supported |
| Leap-Year Handling | — | Supported |