BQ4802LYPWG4 vs BQ4847YMT Comparison
Detailed side-by-side comparison of BQ4802LYPWG4 by Texas Instruments and BQ4847YMT 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
BQ4802LYPWG4 - Y2K Parallel RTC with CPU Supervisor | TI | TSSOP-28
BQ4802LYPWG4 ✓ Active
Specification Comparison
| Parameter | BQ4802LYPWG4 | BQ4847YMT |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Clock & Timing | Clock & Timing |
| Lifecycle Status | Active | Active |
| Device Type | Real Time Clock (RTC) with CPU supervisor | — |
| Interface | Parallel | Parallel clock/calendar interface |
| Timekeeping Function | Clock/Calendar | — |
| Supply Voltage | 3 V | — |
| Oscillator Frequency | 0.032 MHz (32.768 kHz) | — |
| Package | 28-pin TSSOP (PW), 0.173" (4.40 mm) width | 28-DIP module |
| Pin Count | 28 | — |
| Calendar | Century-based, Y2K-compliant | — |
| Alarm Function | Yes, with interrupt | — |
| Daylight Savings | Supported | — |
| Leap Year Handling | Automatic | — |
| Watchdog Timer | Yes | — |
| CPU Supervisor / Reset | Yes, with supply-voltage comparator | — |
| Supply Monitoring | Temperature-compensated reference and comparator with interrupt warning before reset | — |
| External NVSRAM Control | Yes (LY variant) | — |
| Mounting Type | Surface Mount | Through-hole DIP module |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | Compliant | unknown |
| REACH Status | Compliant | unknown |
| Qualification | [DATA_NEEDED: AEC-Q100 / industrial qualification status] | — |
| Product Type | — | Real-time clock module with CPU supervisor |
| Time Representation | — | BCD seconds through years |
| Integrated Functions | — | RTC, CPU supervisor, watchdog timer, reset, interrupts, battery-low warning |
| Battery Type | — | Integrated 130 mAh battery |
| Clock Accuracy | — | ±1 minute per month |
| Backup Control | — | On-chip battery-backup switchover circuit |
| External SRAM Control | — | Nonvolatile control for an external SRAM |
| Crystal | — | Integrated quartz crystal |
| Package Width | — | 15.49 mm |
| Distributor Listing Size | — | 0.61 inch |
| Reset and Watchdog | — | CPU supervisor with watchdog and reset functions |
| Battery Warning | — | Battery-low warning feature |
| Interrupt Support | — | Interrupt features |
| Calendar Range | — | Seconds through years |
| Operating Voltage Range | — | [DATA_NEEDED: operating voltage range] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| AEC-Q100 Qualification | — | unknown |
| Lead-Free Status | — | unknown |