Manufacturer Part Number
DS1746W-120+
Manufacturer
Maxim Integrated
Introduction
The DS1746W-120+ is a real-time clock (RTC) integrated circuit that provides date, time, and calendar functions with non-volatile SRAM (NVSRAM) backup.
Product Features and Performance
Integrates a real-time clock, calendar, and 128KB of NVSRAM
Supports leap year, Y2K, and provides 24-hour time format
Low power timekeeping current of 2mA at 3.3V
Operates over the temperature range of 0°C to 70°C
Product Advantages
Combination of RTC and NVSRAM in a single package
Reliable timekeeping with low power consumption
Provides non-volatile storage for data backup
Key Technical Parameters
Voltage Supply: 2.97V to 3.63V
Memory Size: 128KB
Interface: Parallel
Date Format: YY-MM-DD-dd
Time Format: HH:MM:SS (24-hour)
Quality and Safety Features
RoHS3 compliant
32-EDIP package
Compatibility
Through-hole mounting
Application Areas
Industrial control systems
Embedded systems
Instrumentation
Data logging applications
Product Lifecycle
The DS1746W-120+ is an active product, and there are no known plans for discontinuation.
Replacement or upgrade options may include newer real-time clock ICs with higher memory capacity or additional features.
Several Key Reasons to Choose This Product
Integrated RTC and NVSRAM for reliable timekeeping and data backup
Low power consumption for extended battery life
Wide operating temperature range suitable for industrial environments
Parallel interface for easy integration into existing systems
RoHS3 compliance for use in modern electronic products
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