The MC14516B synchronous up/down binary counter is constructed with MOS P–channel and N–channel enhancement mode devices in a monolithic structure.
   
• Diode Protection on All Inputs
• Supply Voltage Range = 3.0 Vdc to 18 Vdc
• Internally Synchronous for High Speed
• Logic Edge–Clocked Design — Count Occurs on Positive Going
    Edge of Clock
• Single Pin Reset
• Asynchronous Preset Enable Operation
• Capable of Driving Two Low–Power TTL Loads or One Low–Power
    Schottky Load Over the Rated Temperature Range