BUY DS1553WP-120+ https://www.utsource.net/itm/p/7307925.html
Real Time Clock (RTC) IC Clock/Calendar 8KB Parallel 34-PowerCap? Module
The DS1553WP-120+ is a 34-PowerCap Module from Maxim Integrated. It is a non-volatile, low-power, high-performance, dual-channel, digital-programmable capacitor array. The module is designed to provide a wide range of capacitance values for use in a variety of applications. Features of the DS1553WP-120+ include: Low-power operation High-performance digital-programmable capacitor array Non-volatile memory Wide range of capacitance values Built-in ESD protection Low-voltage operation Low-power shutdown mode Applications of the DS1553WP-120+ include: Automotive power management Portable and handheld devices Battery-powered systems Industrial control systems Telecommunications systems Automated test equipment Medical electronics (For reference only)