BQ4845YS-A4G4 vs BQ4845S-A4G4 Comparison
Detailed side-by-side comparison of BQ4845YS-A4G4 by Texas Instruments and BQ4845S-A4G4 by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
BQ4845YS-A4G4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YS-A4G4 ✓ ActiveSpecification Comparison
| Parameter | BQ4845YS-A4G4 | BQ4845S-A4G4 |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Clock & Timing | Clock & Timing |
| Lifecycle Status | Active | Unknown |
| Product Type | Real-time clock and calendar with CPU supervisor | Real-time clock and calendar IC with CPU supervisor |
| RTC Interface | Parallel | — |
| Clock Crystal Frequency | 32.768 kHz | — |
| Backup Battery Voltage | 3 V | — |
| System Supply Voltage | 5 V | — |
| Date Format | BCD | — |
| Clock Format | BCD | — |
| Package | 28-SOIC (0.295 inch, 7.50 mm width) | 28-SOIC, 0.295 inch width, 7.50 mm |
| Terminal Count | 28 terminals | — |
| Mounting Type | Surface mount | Surface mount |
| Terminal Form | Gull wing | — |
| Package Shape | Rectangular | — |
| Temperature Grade | Commercial | — |
| Integrated Functions | RTC, calendar, CPU supervisor, watchdog timer, and nonvolatile SRAM control | — |
| Chip Enable Output | Conditional chip-enable output (CEOUT) | — |
| Battery Voltage Output | VOUT | — |
| Backup Behavior | Backup cell powers the RTC and maintains external SRAM information in the absence of system voltage | — |
| Manufacturer Part Number | BQ4845YS-A4G4 | — |
| RoHS Status | [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] | — |
| Clock Interface | — | Parallel |
| Timekeeping Crystal Frequency | — | 32.768 kHz |
| Backup Battery | — | 3 V |
| Calendar Range | — | 100 years |
| 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 |
| Operating Temperature Range | — | [DATA_NEEDED: Operating temperature range] |
| Supply Voltage Range | — | [DATA_NEEDED: Supply voltage range] |
| Quiescent Current | — | [DATA_NEEDED: Quiescent current] |
| Timekeeping Accuracy | — | [DATA_NEEDED: Timekeeping accuracy] |