The SN74HC161APWR is an advanced high-speed CMOS (Complementary Metal-Oxide-Semiconductor) 4-bit binary counter integrated circuit (IC) manufactured by the globally recognized electronics company, Texas Instruments.

• Series: SN74HC
• Function: 4-bit binary counter
• Inputs: Two clock (CLK) inputs, a clear (CLR) input, and a load (LD) input
• Package: TSSOP (Thin Shrink Small Outline Package) with 16 pins
• Operating Voltage Range: 2V to 6V
• Output Drive: Up to 10 Low Power Schottky loads
• Compatibility: Compatible with most MOS circuits
• Noise Immunity: High noise immunity
• Power Consumption: Low power consumption