74HC85PW,112

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The 74HC85PW,112 is an integrated logic component part of the Comparators logic family. It is a 4-bit comparator that compares two 4-bit binary or BCD words and provides an output to indicate when the words are equal, greater than or less than. It is housed in an ultra thin, space-saving TSSOP package, making it very suitable for use in printed circuit board designs.

The 74HC85PW,112 has four separate comparator channels that are active low, meaning the output is logic 0 when comparison of the two words is true and logic 1 when comparison of the two words is false. It uses open drain outputs, so the output can be enabled through an external pull up resistor. Each comparator channel is independently enabled by a logic 0 on its control input.

The 74HC85PW,112 can be used to compare binary or BCD words of up to 4 bits wide. When the output is low, it indicates that the two words being compared are equal in value. When the output is high, it indicates that one word is greater or less than the other. Each comparator can be enabled/disabled by setting its control input to logic 0 or logic 1, respectively.

The working voltage for the 74HC85PW,112 is 2.7–5.5 V with a maximum operating frequency of 25 MHz. Its operating temperature range is -40–85 °C, and it can handle output currents up to 25 mA. Its propagation delay time is typically 16 ns, with a maximum of 35 ns.

The 74HC85PW,112 is an ideal logic component for digital circuits where binary/BCD comparison of up to 4-bit words is required. This includes applications such as numerical calculations, totalizers, circuitry for BCD counters, and data bus and interface comparators. In addition, it can be used in embedded systems, communication and control networks, and industrial automation systems.

In summary, the 74HC85PW,112 is a 4-bit comparator and ideal logic component for digital circuits that require comparison of binary/BCD words of up to 4-bit words. Its open drain outputs and wide operating voltage range make it very suitable for use in printed circuit board designs, and its small size and low power consumption make it suitable for many applications. Its propagation delay time is typically low, making it suitable for applications that require fast response times.

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