M48T18-100MH1

Part points

• The M48T18-100MH1 is a chip used in real-time clock applications. It is a non-volatile static RAM with a power-fail write protection feature. It has a 2-wire serial interface and operates at a supply voltage of 4.5V to 5.5V. This chip is commonly used in automotive, industrial, and consumer applications where accurate timekeeping is crucial, even in the absence of power.

• Equivalent

  The equivalent products of the M48T18-100MH1 chip are DS1643, M48T18-150PC1, M48T18-150MH1, and M48T18-200MH1. These chips are all non-volatile Static RAM (NVSRAM) modules with similar features and specifications.

• Features

  The M48T18-100MH1 is a real-time clock (RTC) with a non-volatile timekeeping function, contained within a 28-pin module. It features a timekeeper's RAM, a watch-dog timer, battery backup support, a programmable square wave generator, and operating temperature range of 0°C to +70°C.

• Pinout

  The M48T18-100MH1 has a pin count of 28 and functions as a 512K (64K x 8) Timekeeper SRAM. It incorporates a lithium energy source and a controller circuit to provide a clock, calendar, and alarm functions, making it suitable for timekeeping applications.

• Manufacturer

  The manufacturer of the M48T18-100MH1 is STMicroelectronics. It is a multinational semiconductor company that designs, develops, and manufactures a wide range of electronics and semiconductor solutions.

• Application Field

  The M48T18-100MH1 is a timekeeper RAM module designed for use in applications where the requirement is to keep track of real-time data during power loss or interruption. It is commonly used in industrial automation systems, medical equipment, and consumer electronics such as digital cameras and printers.

• Package

  The M48T18-100MH1 chip comes in a 28-pin SOIC (Small Outline Integrated Circuit) package. The form is surface mount, which means it needs to be soldered onto a printed circuit board. The size of the package is approximately 10.3mm x 7.5mm.