DS1643-100
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- Mfr.Part #
- DS1643-100
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 28-DIP Module (0.600, 15.24mm)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR PAR 28-EDIP
- Stock
- 17,960
- In Stock ：
- 17,960
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Memory Size :
- 8kB
- Frequency :
- 32.8kHz
- Number of Pins :
- 28
- Mount :
- Through Hole
- Terminal Position :
- Dual
- HTS Code :
- 8473.30.11.80
- Interrupt Capability :
- N
- Time Format :
- HH:MM:SS (24 hr)
- Voltage - Supply :
- 4.5V~5.5V
- Base Part Number :
- DS1643
- Height :
- 9.4mm
- Radiation Hardening :
- No
- Width :
- 18.8mm
- Number of Terminations :
- 28
- Pbfree Code :
- yes
- Interface :
- Parallel
- Type :
- Clock/Calendar
- Date Format :
- YY-MM-DD-dd
- REACH SVHC :
- Unknown
- Package / Case :
- 28-DIP Module (0.600, 15.24mm)
- Logic Function :
- Clock
- Nominal Supply Current :
- 50mA
- Termination :
- Through Hole
- JESD-609 Code :
- e3
- Operating Temperature :
- 0°C~70°C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Volatile :
- No
- Published :
- 1997
- Feature :
- Leap Year, NVSRAM
- Access Time :
- 100 ns
- RoHS Status :
- Non-RoHS Compliant
- Contact Plating :
- Tin
- Length :
- 39.12mm
- Lead Free :
- Contains Lead, Lead Free
- Terminal Pitch :
- 2.54mm
- Number of Timers :
- 1
- Mounting Type :
- Through Hole
- Pin Count :
- 28
- Packaging :
- Tube
- Current - Timekeeping (Max) :
- 3mA @ 5V
- Power Supplies :
- 5V
- Operating Supply Voltage :
- 5V
- ECCN Code :
- EAR99
- Supply Voltage :
- 5V
- Time-Min :
- SECONDS
- Datasheets
- DS1643-100
Real Time Clocks Analog Devices, Inc. DS1643-100 Overview
The Analog Devices, Inc. DS1643-100 Real Time Clock (RTC) integrates a clock/calendar functionality and 128 bytes of static RAM, all enclosed within a powerfully robust 28-pin EDIP package. Designed for applications requiring precise timekeeping and data storage without external power, it retains data and time information for an entire decade with no additional power supply. This makes the DS1643-100 an ideal solution for sophisticated electronics that require reliability in data logging and time-stamping, particularly in adverse conditions.
DS1643-100 Features
The DS1643-100 boasts a range of features that enhance its utility in complex applications. Key features include:
- Integrated battery backup enabling over 10 years of data retention.
- 128 bytes of user-accessible nonvolatile memory.
- Simple parallel interface for easy integration with other hardware.
- Automatic power-fail chip deselect and write-protection.
- Timekeeping accuracy maintained within ±1 minute/year.
DS1643-100 Applications
- Data Logging Systems: Utilized in environments where long-term data collection without power interruption is crucial, such as remote sensing and environmental monitoring.
- Industrial Applications: Ensures continuous operation and maintains system settings and timings in machinery and process controllers, crucial for maintaining the efficiency and safety of operations.
- Communication Equipment: Maintains accurate log of events and operations in systems like routers and network switches which require precise time-stamping to facilitate network management and troubleshooting.
- Medical Devices: In medical monitoring systems, it keeps track of time-based patient data ensuring accurate time stamps on all records, critical for patient care and data integrity.
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