BQ4845YP-A4E3 vs BQ4845S-A4NG4 Comparison
Detailed side-by-side comparison of BQ4845YP-A4E3 by Texas Instruments and BQ4845S-A4NG4 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 ✓ Active
Specification Comparison
| Parameter | BQ4845YP-A4E3 | BQ4845S-A4NG4 |
|---|---|---|
| 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 | — |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| Clock Crystal Frequency | 32.768 kHz | — |
| Clock Format | BCD | BCD |
| Date Format | BCD | BCD |
| Interface Type | Parallel | Parallel |
| Package | 28-DIP (0.600 in, 15.24 mm) | 28-pin SOIC, 7.50 mm width |
| 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] |
| Device Type | — | Parallel real-time clock with CPU supervisor |
| Clock IC Type | — | Real-time clock (RTC) |
| Calendar | — | 100-year calendar |
| Crystal Frequency | — | 32.768 kHz |
| System Supply Voltage | — | 5 V |
| Backup Battery Voltage | — | 3 V |
| Pin Count | — | 28 pins |
| Operating Temperature | — | -40°C to +85°C |
| Integrated Functions | — | NVSRAM control, watchdog timer, CPU reset, interrupts, and battery-low warning |
| External SRAM Support | — | Conditional chip enable output (CEOUT) and battery voltage output (VOUT) |
| Alarm Capability | — | Supported |
| Daylight Saving Support | — | Supported |
| Leap-Year Handling | — | Supported |
| REACH Status | — | [DATA_NEEDED: REACH status] |