PV74L16-23S

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The PV74L16-23S is a logic IC that has many uses. It is a four-bit latch with one-hot encoding. This means that each of the four bits is either high or low, and only one of the four can be high at any given time. The PV74L16-23S is a common choice for applications such as bus buffering, multiplexers, and latching data between devices. It is also often used in locations where four separate bits of data need to be buffered.

The PV74L16-23S has 8 input pins: 4 D, 4 C. The grouping of the inputs is significant. There are 4 D inputs and 4 corresponding C inputs. The D inputs represent the data, and the C inputs control the state of the output. Each input is active-low logic, meaning that a low state indicates an active signal. In addition, the PV74L16-23S has 4 output pins, Q, which represent the four one-hot encoded bits.

The most common application of the PV74L16-23S is as a bus buffer. When used as a bus buffer, two of the D inputs are tied to a bus line, representing data. The other two D inputs are tied to ground, representing “no data”. Two of the C inputs are tied to the bus line, and two of the C inputs are tied to a start control line. When the start control line is low, the PV74L16-23S will latch the data from the bus line into the Q outputs. When the start control line is high, the Q outputs will maintain their last state.

Another application of the PV74L16-23S is to latch data between devices. In this application, the 4 D inputs are connected to 4 data pins of a device and the 4 C inputs are connected to 4 control pins of the same device. When the control pins are triggered, the data pins’ states will be latched into the 4 Q outputs. This application is useful for recreating signals, such as ADCs, DACs, and PWM outputs.

Finally, the PV74L16-23S can be used as a multiplexer. In this application, the 4 D inputs are connected to 4 separate devices and the 4 C inputs are connected to 4 control pins of the same device. When the control pins are triggered, the states of one of the 4 devices will be latched into the 4 Q outputs. This application is useful for controlling multiple devices at once, such as LEDs or motors.

In summary, the PV74L16-23S is a four-bit latch with one-hot encoding. It has 8 input pins: 4 D, 4 C and 4 output pins, Q. It is commonly used as a bus buffer, to latch data between devices, and to multiplex signals between devices. It is a versatile IC with many potential uses.

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