18-DIP (0.300, 7.62mm) contains real time clocks.Its supply voltage is 4.5V~5.5V.It is a Clock/Calendar type electrical real time clock.A part of this electronic RTC module is mounted in the way of Through Hole.Electronic time clocks should be -10°C~70°C degrees Celsius during operation.Electronic time clocks are possible to guarantee Leap Year when operating.In the RTC-72421 series, it is a type of real time clock.
RTC-72421B: PURE SN Features
18-DIP (0.300, 7.62mm) package RTC-72421 series
RTC-72421B: PURE SN Applications
There are a lot of EPSON RTC-72421B: PURE SN Real Time Clocks applications.