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BUY CD4521BE https://www.utsource.net/itm/p/107102.html
Frequency Divider -55掳C to 125掳C 16-Pin PDIP Tube
Description: The CD4521BE is a CMOS dual BCD up/down counter. Features: High speed operation: tpd = 10ns (typ.) at VDD = 5V Low power dissipation: ICC = 4渭A (max.) at Ta = 25掳C Wide operating voltage range: VDD = 2V to 6V Fully static operation Synchronous counting and loading Ripple carry output Asynchronous master reset Three-state outputs Applications: Frequency dividers Pulse generators Timers Event counters Frequency synthesizers Digital clocks (For reference only)