DS1501W
- Mfr.Part #
- DS1501W
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 28-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR PAR 28-DIP
- Stock
- 31,189
- In Stock :
- 31,189
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Packaging :
- Tube
- Time-Min :
- SECONDS
- Current - Timekeeping (Max) :
- 4mA @ 3V~3.6V
- Time Format :
- HH:MM:SS (24 hr)
- Factory Lead Time :
- 8 Weeks
- Logic Function :
- Clock
- Terminal Position :
- Dual
- Type :
- Clock/Calendar
- Terminal Pitch :
- 1.27mm
- Volatile :
- yes
- Clock Frequency :
- 0.032MHz
- Number of Timers :
- 1
- Radiation Hardening :
- No
- Width :
- 7.5mm
- RoHS Status :
- ROHS3 Compliant
- Pin Count :
- 28
- Voltage - Supply, Battery :
- 2.5V~3.7V
- Base Part Number :
- DS1501
- Number of Terminations :
- 28
- HTS Code :
- 8473.30.11.80
- Interrupt Capability :
- Y
- Published :
- 2002
- Mounting Type :
- Surface Mount
- Feature :
- Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K
- Package / Case :
- 28-SOIC (0.295, 7.50mm Width)
- Number of Pins :
- 28
- Length :
- 17.9mm
- External Data Bus Width :
- 8
- Voltage - Supply :
- 3V~3.6V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Operating Temperature :
- 0°C~70°C
- Supply Voltage :
- 3.3V
- Pbfree Code :
- yes
- Height Seated (Max) :
- 2.65mm
- Memory Size :
- 256B
- ECCN Code :
- EAR99
- Operating Supply Voltage :
- 3.3V
- Interface :
- Parallel
- Mount :
- Surface Mount
- Date Format :
- YY-MM-DD-dd
- Datasheets
- DS1501W

Real Time Clocks Analog Devices, Inc. DS1501W Overview
The DS1501W from Analog Devices, Inc. is a high-performance, integrated real time clock/calendar optimized for computing and high-reliability applications. This device combines the functionality of a real-time clock with a calendar, alarm, and 114 bytes of battery-backed NV SRAM. Encased in a robust 28-pin DIP package, the DS1501W ensures long-term reliability and ease of integration. Designed to meet the rigorous demands of industrial environments, this component is perfect for manufacturers seeking a reliable timekeeping solution that also offers extended temperature range and low power consumption. The incorporation of the keyword "Real Time Clocks Analog Devices, Inc. DS1501W" signifies a commitment to providing quality and precision in time-management applications.
DS1501W Features
The DS1501W includes several features that enhance its usability and functionality in complex electronic systems. Key features include a fully integrated real-time clock and calendar, programmable alarm and interrupt functions, and an automatic leap year correction till 2100. Additionally, it supports dual power supplies for fail-safe operation and includes battery-backed non-volatile (NV) SRAM. Its parallel interface facilitates easy integration into existing architectures, making it a versatile choice for developers.
DS1501W Applications
- Telecommunications Equipment: The DS1501W can be utilized to maintain accurate time stamps on logs and operations in network infrastructure, enhancing time-based decision making and record-keeping.
- Industrial Systems: This IC helps in scheduling and automation by providing precise timing solutions for machinery and production lines, ensuring optimal operational efficiency and reliability.
- Utility Metering Devices: It accurately tracks time and date in meters, crucial for billing cycles and usage tracking, thereby facilitating better energy management.
- Healthcare Devices: In medical equipment, the DS1501W ensures that all time-sensitive data logs are accurately timestamped, supporting compliance with health regulations and patient care protocols.
- Consumer Electronics: Used in devices like set-top boxes and digital recording equipment, it helps maintain accurate operation schedules, improving user experience through precise timing functions.
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