MC74HC160ADTG

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The MC74HC160ADTG is an integrated circuit (IC) that belongs to a class of Logic - Counters, Dividers. It is a Highly advanced presettable synchronous 4-bit binary counter which can be used in a wide range of electronics applications including computing and telecommunications applications.

Basically, the MC74HC160ADTG is a synchronous counter which uses two types of signals to control the counting process; an applied voltage (Vdd) and a Clock (CLK). The Vdd voltage is applied in order to provide power to the Circuit while the Clock signal acts as the clock pulse which dictates the speed at which the counter Counts.

MC74HC160ADTG is designed so that it may be counted down with a single input, hence making it suitable for sequencing and dividing applications. The counter has an asynchronous register which enables the user to preset the counter to any count value. The counter is compatible with most microprocessors and uses synchronous outputs which are useful in eliminating the need for output glitching.

The device is also configured with separate asynchronous parallel clear inputs, a ‘CLR’ and ‘CLRbar’. The ‘CLR’ clears the counter from any count and sets the counters output to a logic 0 or low voltage. Meanwhile, the ‘CLRbar’ is the inverse of the ‘CLR’ which is used to clear the carry bit. Therefore the count cycle may be reset and the output held at a logic 0 whenever desired.

The device has several output options. The outputs are driven by the same Clock signal as the counter and are also synchronous with each other. The ‘QA’, ‘QB’, ‘QC’ and ‘QD’ outputs are the synchronous parallel ‘out of reset’ outputs which are used in divide-by-N, divide-by-3, and sequencing applications.

The ‘Qbar’, ‘T1’, ‘T2’, and ‘Tbar’ outputs are asynchronous outputs of the MC74HC160ADTG. The ‘Qbar’ outputs a logic 0 or low voltage whenever the counter counts down to 0. The ‘T1’ and ‘T2’ outputs are used for detecting when the counter counts to values 2,4 and 8. Finally, the ‘Tbar’ outputs a high voltage if the last three counts are 0, 4 and 8.

The device is widely used in electronic applications such as electronic clocks, positioning systems, automotive applications, medical systems and telecommunications. With its wide range of applications, its high performance and low cost, the MC74HC160ADTG is an ideal choice for a variety of logics counter, divider applications.

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