BUY CD4518 https://www.utsource.net/itm/p/11565248.html

Package Type: DIP Number of Pins: N/A Description: The CD4518B is a dual BCD up/down counter. It is a high-speed, low-power complementary MOS (CMOS) device. It consists of two independent BCD up/down counters with a gated zero reset. The counters are cascadable for modulo-n counting operations. Features: High-speed operation Low-power CMOS technology Gated zero reset Cascadable for modulo-n counting Fully static operation Standardized symmetrical output characteristics 100% tested for quiescent current at 20V Meets all requirements of JEDEC tentatively assigned JESD13-B Applications: The CD4518B is suitable for use in a wide variety of applications including frequency division, event counting, and digital timing. It is used in digital clocks, frequency dividers, and other digital applications. (For reference only)