SN74AS163DRG4

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The SN74AS163DRG4, is a synchronous 4-bit binary counter with regulated current output logic. It is an 8-pin integrated circuit (IC) of Texas Instruments (TI). It was specifically designed to count real time events using an active-low Master reset, active-high Clock input, three outputs active-high and one active-low. It is classified in the Logic - Counters, Dividers family.

The SN74AS163DRG4 is a CMOS/SOS bipolar integrated circuit, fabricated with TI\'s advanced submicron process. It has a wide range of operating voltage of 4.5V to 5.5V and a fan-out capability of about 10 loads for high-current outputs. The SN74AS163DRG4 has the capability to divide down a clock input signal by a factor of 24. It provides synchronization from a single clock input and can be operated in either synchronous or ripple mode.

The SN74AS163DRG4 is an asychronous 4-bit binary counter with a regulated current output logic used to count TTL compatible signals. It consists of four flip-flops that are clocked simultaneously with the active-high Clock input. Each flip-flop is equipped with an active-high preset input and an active-low reset input. The clock input is synchronized to the asynchronous reset input using a low pass filter that limits the maximum allowed reset frequency.

The SN74AS163DRG4 has four outputs, three active high and one active low. The active-low Reset input resets the counters to the predefined output state when its level is low. The active-high Pre-set (P) input sets each output to its predefined output state when its level is high. The outputs remain in the same state until the active-high Clock input pulses.

The active-high Clock input of the SN74AS163DRG4 is used to submit clock signals to the counter and cause the counter to transition from one state to the next. The frequency of the Clock input determines the speed at which the counter will transition. When the Clock input is 0V, the counter will reset itself to its predefined output state.

The SN74AS163DRG4 also includes noise immunity enhancement circuitry with a high-noise immunity level of up to 20MHz. This allows the counter to react more quickly to input signals. In addition, the counter is configured with hysteresis, which helps to eliminate the problems that arise when the input signal levels are in close proximity to the noise levels.

With its versatile design, the SN74AS163DRG4 is ideal for use in data acquisition and control applications, including: digital and analog signal measurement, signal processing and signal routing. It is also used for state machine applications and signal control and comparator applications, such as: frequency-division and timing control. The wide operating voltage range of 4.5V to 5.5V and low quiescent current makes the counter suitable for many different applications.

In conclusion, the SN74AS163DRG4 is a synchronous 4-bit binary counter with regulated current output logic. It is classified in the Logic - Counters, Dividers family. It operates over a voltage range of 4.5V to 5.5V and has noise immunity enhancement circuitry that allows it to reject noise. This counter is used in a variety of applications, such as data acquisition, control, signal processing and signal routing.

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