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DS12C887A Part Number Details

Author: Tanssion Date: 2023-05-31 Hits: 106

The DS12C887A is a part number associated with the DS12C887A real-time clock (RTC) module manufactured by Maxim Integrated. The DS12C887A is a low-power, full binary-coded decimal (BCD) clock/calendar chip that provides accurate timekeeping and calendar functionality.

DS12C887A

Here are some key details and features associated with the DS12C887A:


1.Real-Time Clock/Calendar: The DS12C887A module provides accurate timekeeping and calendar functions. It can track seconds, minutes, hours, day, date, month, and year.


2.Non-Volatile RAM (NVRAM): The module includes non-volatile RAM (NVRAM) for storing time, date, and other user-defined information. The data is retained even when power is disconnected.


3.Battery Backup: The DS12C887A supports battery backup to maintain timekeeping and data retention during power loss. It has a built-in trickle charger for the backup battery.


4.Alarm Functionality: The module offers programmable alarm interrupts, allowing specific events to be triggered at specified times.


5.I2C Interface: The DS12C887A communicates with the host microcontroller or system using the I2C (Inter-Integrated Circuit) serial interface, enabling easy integration and communication.


6.Oscillator Compensation: The module includes an oscillator compensation circuitry to adjust for crystal frequency variations, ensuring accurate timekeeping.


7.Power Management: The DS12C887A is designed with low-power consumption features, allowing for efficient operation and extended battery life.


8.Accurate Timekeeping: The DS12C887A provides accurate timekeeping functionality, tracking seconds, minutes, hours, day, date, month, and year.


Please note that these details are general in nature, and for specific parameters, features, and specifications of the DS12C887A, it is recommended to refer to the product datasheet or documentation provided by Maxim Integrated.


Here are some parameters and specifications associated with the DS12C887A real-time clock (RTC) module:


1.Supply Voltage Range: The DS12C887A typically operates within a supply voltage range of 4.5V to 5.5V.


2.Timekeeping Accuracy: The typical timekeeping accuracy of the DS12C887A is within a few seconds per month.


3.Clock Output: The module can provide a programmable square-wave clock output with frequencies ranging from 32.768kHz to 1Hz.


4.Battery Backup: The DS12C887A supports battery backup to maintain timekeeping and preserve data during power loss. It has a built-in trickle charger for the backup battery.


5.Memory Capacity: The DS12C887A has 114 bytes of non-volatile RAM (NVRAM) available for storing time, date, and configuration information.


6.Alarm Functionality: The module supports two programmable alarm interrupts, allowing specific events to be triggered at specified times.


7.I2C Interface: The DS12C887A communicates with the host microcontroller or system using the I2C (Inter-Integrated Circuit) serial interface. It operates as a slave device with a programmable I2C address.


8.Operating Temperature Range: The module is designed to operate within a temperature range of 0°C to +70°C.


Please note that these parameters and specifications are based on general information, and for specific and up-to-date details about the DS12C887A, it is recommended to refer to the product datasheet or documentation provided by Maxim Integrated.


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Frequently Asked Questions

1、Replacement model of the product with part number DS12C887A
The DS12C887A is a specific part number associated with a real-time clock (RTC) module manufactured by Maxim Integrated. As for a direct replacement model for the DS12C887A, a common alternative is the DS3231, which is also a highly popular RTC module. The DS3231 offers similar functionality to the DS12C887A, including accurate timekeeping, battery backup, alarm functionality, and I2C interface. However, please note that while the DS3231 can serve as a potential replacement, it is always recommended to review the specific requirements and consult the datasheets or product documentation to ensure compatibility and suitability for your application. It is advisable to check with the manufacturer, Maxim Integrated, or authorized distributors to obtain information on the latest replacement models or alternative options that meet your specific needs. They can provide the most up-to-date and accurate recommendations based on their product portfolio and availability.
2、Package type of the product with part number DS12C887A
The DS12C887A real-time clock (RTC) module is typically available in a 24-pin DIP (Dual Inline Package) package. The DIP package is a through-hole package that has two parallel rows of pins spaced at a standard pitch of 0.1 inches (2.54 mm). It is a common package type used for integrated circuits that allows for easy insertion and soldering onto a printed circuit board (PCB). Please note that the package type can vary depending on specific variations or options of the DS12C887A module. To obtain the accurate package information for a particular variant of the DS12C887A, it is recommended to refer to the product datasheet or documentation provided by Maxim Integrated or contact their customer support for the precise package type details.

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