BQ4845YS-A4NTR vs BQ4845S-A4NTRG4 Comparaison
Comparaison détaillée côte à côte de BQ4845YS-A4NTR par Texas Instruments et BQ4845S-A4NTRG4 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
BQ4845YS-A4NTR - Parallel RTC with CPU Supervisor | Texas Instruments (Tape & Reel)
BQ4845YS-A4NTR ✓ ActifComparaison des spécifications
| Paramètre | BQ4845YS-A4NTR | BQ4845S-A4NTRG4 |
|---|---|---|
| Marque | Texas Instruments | Texas Instruments |
| Catégorie | Clock & Timing | Clock & Timing |
| Statut du cycle de vie | Actif | Actif |
| Product Type | Parallel real-time clock and clock/calendar with CPU supervisor | Parallel real-time clock and calendar with CPU supervisor |
| MPN | BQ4845YS-A4NTR | — |
| Manufacturer | Texas Instruments | — |
| Crystal Frequency | 32.768 kHz | 32.768 kHz |
| Battery Voltage Range | 2.3 V to 4 V | — |
| System Supply Condition | 4.5 V to 5.5 V for the stated timekeeping-current condition | — |
| Maximum Timekeeping Current | 1.5 mA at 4.5 V to 5.5 V | — |
| Backup Clock Operation Current | Less than 500 nA | — |
| Interface | Parallel | — |
| Clock Format | BCD | BCD |
| Calendar Features | Leap year and daylight savings support | — |
| Supervisory Features | CPU supervisor and watchdog timer | — |
| Reset Features | Microprocessor reset and power-fail-related control functions | — |
| Nonvolatile Support | Battery-backup switchover and nonvolatile control for external SRAM | — |
| Backup Source | 3 V backup battery connection | — |
| Boîtier | 28-pin SOIC, 0.295 inch width, 7.50 mm | 28-pin SOIC, 7.50 mm width |
| Type de montage | Surface mount | Surface mount |
| 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] | — |
| Pinout | 28-pin parallel real-time clock and supervisor pinout per manufacturer datasheet | — |
| Main Supply Voltage Range | — | 4.75 V to 5.5 V |
| Backup Battery Voltage Range | — | 2.3 V to 4 V |
| Date Format | — | BCD |
| Host Interface | — | Parallel |
| Operating Features | — | Alarm, daylight-saving time, leap year, watchdog timer, processor reset, interrupt, and battery-low warning |
| Calendar Range | — | 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 |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |
| Plage de température de fonctionnement | — | [DATA_NEEDED: operating temperature range] |