BQ4845P-A4 vs BQ4285EP Comparaison
Comparaison détaillée côte à côte de BQ4845P-A4 par Texas Instruments et BQ4285EP 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 | BQ4285EP |
|---|---|---|
| Marque | Texas Instruments | Texas Instruments |
| Catégorie | Clock & Timing | Clock & Timing |
| Statut du cycle de vie | Actif | Unknown |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $0,00 | $1,70 |
| Product Type | Parallel real-time clock and calendar with CPU supervisor | Real-time clock and calendar with NVRAM control |
| 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 | CEOUT output | — |
| Battery Voltage Output | VOUT output | — |
| Boîtier | 28-pin DIP, 0.600 inch / 15.24 mm pitch | 24-pin PDIP, 0.600-inch (15.24 mm) |
| Interface | Parallel | Parallel clock/calendar and NVRAM interface |
| Statut RoHS | [DATA_NEEDED: RoHS status] | unknown |
| REACH Status | [DATA_NEEDED: REACH status] | unknown |
| Température de fonctionnement | [DATA_NEEDED: operating temperature range] | — |
| Device Family | — | CMOS BQ4285E/L |
| General Nonvolatile Storage | — | 114 bytes |
| Calendar Capability | — | 100-year calendar |
| Clock/Calendar Format | — | BCD or binary |
| Supply Version | — | 3 V |
| Package Type | — | Through-hole PDIP |
| Interrupt Sources | — | 3 maskable interrupt sources |
| Square-Wave Output | — | Available |
| Auxiliary Output | — | 32.768 kHz output |
| Alarm Features | — | Alarm functionality |
| Wake-Up Capability | — | Available |
| Battery Operation | — | Supported |
| Legacy Compatibility | — | Direct clock/calendar replacement for IBM AT-compatible computers |
| Technology | — | CMOS |
| AEC-Q100 Status | — | unknown |