BQ4845S-A4TR
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- Mfr.Part #
- BQ4845S-A4TR
- Manufacturer
- Texas Instruments
- Package / Case
- 28-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR PAR 28-SOIC
- Stock
- 9,970
- In Stock ：
- 9,970
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- Manufacturer :
- Texas Instruments
- Product Category :
- Real Time Clocks
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Terminal Position :
- Dual
- Mounting Type :
- Surface Mount
- Operating Supply Voltage :
- 5V
- Lead Free :
- Lead Free
- Packaging :
- Tape and Reel (TR)
- Voltage - Supply, Battery :
- 2.3V~4V
- Factory Lead Time :
- 6 Weeks
- Terminal Pitch :
- 1.27mm
- Thickness :
- 2.35mm
- Number of Timers :
- 1
- Contact Plating :
- Gold
- RoHS Status :
- ROHS3 Compliant
- Base Part Number :
- BQ4845
- Width :
- 7.5mm
- Pbfree Code :
- No
- Date Format :
- YY-MM-DD-dd
- Logic Function :
- Clock
- Length :
- 17.9mm
- Pin Count :
- 28
- Interface :
- Parallel
- Interrupt Capability :
- Y
- Number of Pins :
- 28
- Time-Min :
- SECONDS
- Height :
- 2.65mm
- Weight :
- 730.794007mg
- Radiation Hardening :
- No
- Package / Case :
- 28-SOIC (0.295, 7.50mm Width)
- Clock Frequency :
- 0.032MHz
- Feature :
- Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
- Current - Timekeeping (Max) :
- 1.5mA Typ @ 4.5 V~5.5 V
- Power Supplies :
- 5V
- Supply Voltage :
- 5V
- Mount :
- Surface Mount
- Voltage - Supply :
- 4.75V~5.5V
- Time Format :
- HH:MM:SS (12/24 hr)
- Volatile :
- No
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Terminations :
- 28
- Type :
- Clock/Calendar
- ECCN Code :
- EAR99
- HTS Code :
- 8542.39.00.01
- Operating Temperature :
- 0°C~70°C
- Datasheets
- BQ4845S-A4TR
Real Time Clocks Texas Instruments BQ4845S-A4TR Overview
The Texas Instruments BQ4845S-A4TR is a highly reliable real-time clock (RTC) and calendar integrated circuit, engineered specifically for precise time and date tracking across a wide range of applications. This component is encased in a 28-SOIC package, ensuring easy integration into existing designs. With its robust feature set, the BQ4845S-A4TR offers superior performance, particularly in complex systems requiring accurate timekeeping. Utilizing advanced technology from Texas Instruments, this Real Time Clocks Texas Instruments BQ4845S-A4TR ensures long-term reliability and precision in professional environments.
BQ4845S-A4TR Features
The BQ4845S-A4TR from Texas Instruments is equipped with a variety of features that enhance its functionality and reliability. Key features include battery-backed operation, which ensures continued functionality in the event of a power loss, and an automatic leap year correction up to the year 2100. It supports a parallel interface for easy integration and communication with microprocessors. The device also includes an integrated crystal, programmable alarms, and timers that facilitate diverse application needs without requiring additional components.
BQ4845S-A4TR Applications
- Telecommunications: The BQ4845S-A4TR can be utilized in network infrastructure to maintain accurate timestamps for logging and monitoring activities, ensuring synchronization across various systems.
- Industrial Systems: In industrial applications, accurate timing is crucial for process control and automation. This RTC module helps in scheduling and maintaining critical operations accurately.
- Consumer Electronics: Used in devices like set-top boxes and home appliances, the BQ4845S-A4TR helps in performing scheduled tasks and maintaining device settings even after power interruptions.
- Healthcare Equipment: Reliable timekeeping is essential in medical devices for record management and monitoring systems, where the BQ4845S-A4TR ensures accurate operation.
- Automotive: In automotive systems, this RTC is vital for managing logs and settings in vehicle infotainment and navigation systems, maintaining performance consistency.
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