BQ4845YP-A4E3 vs BQ4845YP-A4 Comparison
Detailed side-by-side comparison of BQ4845YP-A4E3 by Texas Instruments and BQ4845YP-A4 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
BQ4845YP-A4E3 - 5V Parallel RTC with Supervisor | Texas Instruments
BQ4845YP-A4E3 ✓ ActiveTexas Instruments
BQ4845YP-A4 - Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845YP-A4 UnknownSpecification Comparison
| Parameter | BQ4845YP-A4E3 | BQ4845YP-A4 |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Clock & Timing | Clock & Timing |
| Lifecycle Status | Active | Unknown |
| Product Type | Real-time clock and calendar IC with CPU supervisor | Parallel real-time clock and calendar with CPU supervisor |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| Clock Crystal Frequency | 32.768 kHz | — |
| Clock Format | BCD | — |
| Date Format | BCD | — |
| Interface Type | Parallel | — |
| Package | 28-DIP (0.600 in, 15.24 mm) | 28-DIP, 0.600 inch (15.24 mm) |
| Mounting Style | Through-hole | — |
| Number of Pins | 28 pins | — |
| Operating Temperature Range | 0 °C to 70 °C | [DATA_NEEDED: operating temperature range] |
| Temperature Grade | Commercial | — |
| Backup Battery Support | 3 V backup battery connection | — |
| Backup Mode Clock Current | Less than 500 nA | — |
| Watchdog Timer | Yes, programmable timeout | Yes |
| Power-Fail Warning | Yes | — |
| Leap-Year Feature | Yes | — |
| Daylight Savings Feature | Yes | — |
| Alarm Feature | Yes | — |
| Conditional Chip Enable Output | CEOUT for external SRAM write protection | CEOUT |
| Backup Voltage Output | VOUT for battery-voltage monitoring | — |
| RoHS Status | RoHS compliant | — |
| Supply Voltage | — | 5 V |
| Backup Battery Voltage | — | 3 V |
| Crystal Frequency | — | 32.768 kHz |
| Clock Accuracy | — | [DATA_NEEDED: clock accuracy] |
| Calendar Format | — | BCD, counting seconds through years |
| Interface | — | Parallel |
| Real-Time Clock Count | — | 1 timer |
| Backup Operating Current | — | Less than 500 nA |
| Alarm Function | — | Yes |
| Daylight Savings Correction | — | Yes |
| Leap-Year Calculation | — | Yes |
| Microprocessor Reset | — | Yes |
| Battery Low Warning | — | Yes |
| External SRAM Control | — | Nonvolatile write-protect and backup-retention control |
| Battery Voltage Output | — | VOUT |
| Mounting Type | — | Through-hole |
| Termination Count | — | 28 |
| RoHS Compliance | — | RoHS compliant |
| Supplier Lifecycle Status | — | [DATA_NEEDED: lifecycle status] |