MC74HC4538AF

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The MC74HC4538AF is a dual D-type flip-flop with reset logic in a 16-pin package. It is used as a logic circuit to implement multiplexing, storage, or address decoding functions. It is a logic device that finds application in many kinds of electronics applications, ranging from computers to audio systems. It is also used in software, instrumentation, and communications systems.

The MC74HC4538AF belongs to the family of devices known as multivibrators, which are used for digital logic operations such as storing data, shifting left or right, and generating pulse width modulated signals. A multivibrator is a circuit containing two or more non-oscillating transistors (usually BJTs) that set up two stable output states. These two stable output states are maintained until the circuit receives an external trigger or stimulus to change the state of the output. The MC74HC4538AF can be used to implement a variety of functions determined by the JK trigger inputs: reset, clock, and preset. The multivibrator can also function as a monostable flip-flop where the output remains set until the output is reset or until the clock signal goes high.

The MC74HC4538AF is a dual-D flip-flop that consists of two independent D flip-flops, each of which can store one bit of data. Developed by Motorola, the MC74HC4538AF is an active low logic device intended for use in applications requiring a dual-D flip-flop, including multiplexers, address decoders, and registers. The device features a common data input pin that is referenced to ground and is the control signal source for both flip-flops. It accepts input levels of 0V and 10V, a much wider range than previous devices.

The MC74HC4538AF offers two stable states: set and reset. The set state is obtained when the JK trigger inputs are high, and the reset state is obtained when the JK trigger inputs are low. The device operates on a single power supply from 3V to 15V, drawing a very low supply current of max 2.2 mA. The MC74HC4538AF is also very fast, with a propagation delay of 6ns maximum when operating at 10V.

The MC74HC4538AF is an excellent choice for applications requiring a dual-D flip-flop, with its low power consumption and fast switching speeds. Its wide range of supported voltages makes it especially attractive for embedded systems and other low-power applications. Its two stable states, set and reset, offer a wide range of logic operations and provide a versatile way to store and manipulate data in digital circuits.

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