BQ4845YP-A4E3 vs BQ4845P-A4 Comparison
Detailed side-by-side comparison of BQ4845YP-A4E3 by Texas Instruments and BQ4845P-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
BQ4845P-A4 Parallel RTC with CPU Supervisor | Texas Instruments
BQ4845P-A4 ✓ ActiveSpecification Comparison
| Parameter | BQ4845YP-A4E3 | BQ4845P-A4 |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Clock & Timing | Clock & Timing |
| Lifecycle Status | Active | Active |
| 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-pin DIP, 0.600 inch / 15.24 mm pitch |
| Mounting Style | Through-hole | — |
| Number of Pins | 28 pins | — |
| Operating Temperature Range | 0 °C to 70 °C | — |
| Temperature Grade | Commercial | — |
| Backup Battery Support | 3 V backup battery connection | — |
| Backup Mode Clock Current | Less than 500 nA | — |
| Watchdog Timer | Yes, programmable timeout | — |
| 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 | — |
| Backup Voltage Output | VOUT for battery-voltage monitoring | — |
| RoHS Status | RoHS compliant | [DATA_NEEDED: RoHS status] |
| 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 |
| Interface | — | Parallel |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |