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
- Height :
- 9.4mm
- Interface :
- Parallel
- Contact Plating :
- Tin
- ECCN Code :
- EAR99
- Terminal Position :
- Dual
- Mounting Type :
- Through Hole
- Packaging :
- Tube
- Volatile :
- No
- Number of Pins :
- 28
- Power Supplies :
- 5V
- Package / Case :
- 28-DIP Module (0.600, 15.24mm)
- REACH SVHC :
- Unknown
- HTS Code :
- 8473.30.11.80
- Access Time :
- 100 ns
- Time Format :
- HH:MM:SS (24 hr)
- Supply Voltage :
- 5V
- Published :
- 1997
- Lead Free :
- Contains Lead, Lead Free
- Date Format :
- YY-MM-DD-dd
- Pbfree Code :
- yes
- Number of Terminations :
- 28
- Pin Count :
- 28
- JESD-609 Code :
- e3
- Frequency :
- 32.8kHz
- Feature :
- Leap Year, NVSRAM
- Operating Supply Voltage :
- 5V
- Terminal Pitch :
- 2.54mm
- Logic Function :
- Clock
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Interrupt Capability :
- N
- Number of Timers :
- 1
- Termination :
- Through Hole
- Base Part Number :
- DS1643
- Operating Temperature :
- 0°C~70°C
- Voltage - Supply :
- 4.5V~5.5V
- Type :
- Clock/Calendar
- Memory Size :
- 8kB
- Radiation Hardening :
- No
- Nominal Supply Current :
- 50mA
- Time-Min :
- SECONDS
- Current - Timekeeping (Max) :
- 3mA @ 5V
- RoHS Status :
- Non-RoHS Compliant
- Width :
- 18.8mm
- Mount :
- Through Hole
- Length :
- 39.12mm
- 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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