BQ4845P-A4
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- Mfr.Part #
- BQ4845P-A4
- Manufacturer
- Texas Instruments
- Package / Case
- 28-DIP (0.600, 15.24mm)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR PAR 28-DIP
- Stock
- 12
- In Stock ：
- 12
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- Manufacturer :
- Texas Instruments
- Product Category :
- Real Time Clocks
- Interface :
- Parallel
- Pin Count :
- 28
- RoHS Status :
- ROHS3 Compliant
- Number of Timers :
- 1
- Power Supplies :
- 5V
- External Data Bus Width :
- 8
- Voltage - Supply, Battery :
- 2.3V~4V
- Clock Frequency :
- 0.032MHz
- Operating Supply Voltage :
- 5V
- Length :
- 37.084mm
- Supply Voltage :
- 5V
- Number of Terminations :
- 28
- Height Seated (Max) :
- 4.826mm
- Volatile :
- No
- Voltage - Supply :
- 4.75V~5.5V
- Packaging :
- Tube
- Feature :
- Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
- Terminal Position :
- Dual
- Mounting Type :
- Through Hole
- Terminal Pitch :
- 2.54mm
- Interrupt Capability :
- Y
- Mount :
- Through Hole
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- HTS Code :
- 8542.39.00.01
- Time Format :
- HH:MM:SS (12/24 hr)
- Number of Pins :
- 28
- Contact Plating :
- Tin
- Radiation Hardening :
- No
- Date Format :
- YY-MM-DD-dd
- Base Part Number :
- BQ4845
- Current - Timekeeping (Max) :
- 1.5mA Typ @ 4.5 V~5.5 V
- ECCN Code :
- EAR99
- Logic Function :
- Clock
- Width :
- 15.24mm
- Lead Free :
- Lead Free
- Operating Temperature :
- 0°C~70°C
- JESD-609 Code :
- e3
- Time-Min :
- SECONDS
- Pbfree Code :
- yes
- Type :
- Clock/Calendar
- Package / Case :
- 28-DIP (0.600, 15.24mm)
- Datasheets
- BQ4845P-A4
Real Time Clocks Texas Instruments BQ4845P-A4 Overview
The Texas Instruments BQ4845P-A4 is a highly reliable, precision real-time clock (RTC) integrated circuit, designed for a wide range of applications requiring accurate time-keeping and calendar functionality. This device integrates seamlessly into various systems, providing consistent performance and low power consumption. The Real Time Clocks Texas Instruments BQ4845P-A4 offers a robust feature set, including a stable time-base, full calendar, programmable alarm, and battery-backed operation, making it an essential component for time-sensitive applications in complex electronics.
BQ4845P-A4 Features
The BQ4845P-A4 features a parallel interface for easy integration into existing architectures, ensuring flexibility and ease of use. Its 28-DIP (dual in-line package) makes it suitable for breadboarding and for use in prototype developments. Key features include:
- Accurate tracking of time, date, month, and year
- Automatic leap year compensation until 2100
- Programmable alarm function
- Battery backup capability ensuring continuous timekeeping even during power outages
- Low power consumption suitable for battery-driven applications
BQ4845P-A4 Applications
- Consumer Electronics: Used in devices such as digital cameras, audio players, and smart televisions to maintain accurate time for file timestamps and recording functions.
- Computing Systems: Critical for data logging, system updates, and providing timestamp in personal computers, servers, and networking equipment.
- Industrial Systems: Ensures synchronized operations in systems requiring precise timing, such as time-stamped records in automated factories.
- Telecommunication Systems: Provides time bases for switches and routers, helping in the management and logging of network events precisely.
- Portable Devices: Ideal for handheld devices where power efficiency and reliable timekeeping are crucial.
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