Manufacturer Part Number
DS12C887A
Manufacturer
Analog Devices
Introduction
The DS12C887A is a real-time clock (RTC) chip that provides time, date, and alarm functionality in a compact 24-pin DIP package. It offers a wide range of features, including alarm, daylight savings, leap year, and NVSRAM, making it a versatile solution for various applications.
Product Features and Performance
113 bytes of NVSRAM for storage of time, date, and alarm information
12/24-hour time format and calendar function with year, month, date, day, hour, minute, and second
Alarm function with day, date, hour, and minute match
Daylight savings time function
Automatic leap year correction
Square wave output
Product Advantages
Reliable real-time clock with backup battery operation
Versatile features for diverse applications
Easy integration into system designs
Low power consumption for efficient operation
Key Reasons to Choose This Product
Comprehensive time and date functionality
Alarm and calendar capabilities for convenient scheduling
Automatic daylight savings and leap year adjustments
Compact 24-pin DIP package for space-constrained designs
Reliable performance and low power consumption
Quality and Safety Features
Meets industrial temperature range of 0°C to 70°C
Robust 24-pin DIP package for through-hole mounting
Stringent quality control and testing procedures
Compatibility
Parallel interface for easy integration into various systems
Compatible with a wide range of microcontrollers and processors
Application Areas
Industrial automation and control systems
Building automation and security systems
Automotive and transportation applications
Consumer electronics and appliances
Product Lifecycle
The DS12C887A is an obsolete product, meaning it is no longer in active production. However, there are several equivalent or alternative models available from Analog Devices that can be considered as replacements. These include:
DS1307 Real-Time Clock (RTC) with 56-byte NV RAM
DS1338 I2C Real-Time Clock (RTC) with 56-byte NV RAM
DS3231 Extremely Accurate I2C-Integrated RTC/TCXO/Crystal
DS12B887DALLAS
DS12CR887-33Analog Devices / Maxim Integrated