BQ4802YDWManufacturer: TI,TI Y2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 5V Vcc | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| BQ4802YDW | TI,TI | 100 | In Stock |
Description and Introduction
Y2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 5V Vcc The part BQ4802YDW is manufactured by Texas Instruments (TI). Below are the factual specifications from Ic-phoenix technical data files:
1. **Manufacturer**: Texas Instruments (TI)   This information is based solely on the available specifications for the BQ4802YDW from TI. No additional guidance or suggestions are included. |
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Application Scenarios & Design Considerations
Y2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 5V Vcc# BQ4802YDW Technical Documentation
## 1. Application Scenarios ### Typical Use Cases -  Embedded computing systems  requiring continuous timekeeping during power loss ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Crystal Oscillator Instability   Pitfall 2: Battery Backup Failure   Pitfall 3: Power Transition Glitches  ### Compatibility Issues with Other Components  Microcontroller Interface:   Power Supply Considerations:  ### PCB Layout Recommendations  Critical Layout Guidelines:  |
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| Partnumber | Manufacturer | Quantity | Availability |
| BQ4802YDW | TI/Benchmarp | 4 | In Stock |
Description and Introduction
Y2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 5V Vcc The part BQ4802YDW is manufactured by Texas Instruments (TI) under the Benchmarq brand. It is a 32k x 8 nonvolatile static RAM (NVSRAM) with a built-in lithium energy source. Key specifications include:
- **Memory Size:** 32k x 8 (256 Kbit)   The device integrates SRAM with nonvolatile backup, ensuring data retention during power loss. It is commonly used in applications requiring reliable nonvolatile memory, such as industrial systems and data logging.   For further details, refer to the official TI/Benchmarq datasheet. |
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Application Scenarios & Design Considerations
Y2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 5V Vcc# BQ4802YDW Technical Documentation
 Manufacturer : TI/Benchmarq ## 1. Application Scenarios ### Typical Use Cases -  Embedded timestamping systems  requiring accurate time-of-day recording ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Improper Battery Selection   Pitfall 2: Crystal Oscillator Issues   Pitfall 3: Power Sequencing Problems  ### Compatibility Issues with Other Components  Microcontroller Interfaces:   Power Management:  ### PCB Layout Recommendations  Power Supply Layout:   Crystal Circuit Layout:   Signal Routing:  |
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