IC Phoenix logo

Home ›  M  › M161 > MSM58321

MSM58321 from OKI

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

MSM58321

Manufacturer: OKI

REAL TIME CLOCK/CALENDAR

Partnumber Manufacturer Quantity Availability
MSM58321 OKI 1020 In Stock

Description and Introduction

REAL TIME CLOCK/CALENDAR # Introduction to the MSM58321 Electronic Component  

The **MSM58321** is a specialized integrated circuit (IC) designed for real-time clock (RTC) applications, providing accurate timekeeping and calendar functions. Developed as part of the Mitsubishi Semiconductor series, this component is widely used in embedded systems, industrial automation, and consumer electronics where precise time tracking is essential.  

Featuring a low-power CMOS design, the MSM58321 operates efficiently with minimal energy consumption, making it suitable for battery-powered devices. It supports a 24-hour or 12-hour time format, along with automatic leap-year compensation, ensuring long-term accuracy. The IC includes registers for seconds, minutes, hours, day, month, and year, allowing seamless integration with microcontrollers or processors via a parallel interface.  

One of its key advantages is its built-in oscillator circuit, which can be paired with an external 32.768 kHz crystal for stable timekeeping. Additionally, the MSM58321 offers alarm functionality and programmable interrupts, enhancing its utility in time-sensitive applications.  

Due to its reliability and straightforward interfacing, the MSM58321 remains a practical choice for engineers designing systems requiring dependable real-time clock functionality. While newer RTC ICs with serial interfaces have emerged, the MSM58321's simplicity and robustness continue to make it relevant in legacy and cost-sensitive designs.  

For those working on projects requiring accurate timekeeping without excessive complexity, the MSM58321 presents a proven and efficient solution.

Application Scenarios & Design Considerations

REAL TIME CLOCK/CALENDAR

Alternative Part Number

  • DS12887A --: Real-time clock IC with integrated crystal and battery, functionally similar to the MSM58321 RTC and widely available as a drop-in style replacement in many designs.
  • BQ3285 --: RTC with embedded battery and crystal, comparable parallel interface and register layout, suitable alternative when MSM58321 is obsolete.
  • M48T08 --: Timekeeper RTC with integrated battery and crystal in a similar parallel interface, offering equivalent timekeeping function for legacy designs.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips