CD4050BDR

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The CD4050BDR is a popular device in logic-buffers, drivers, receivers, and transceivers. It is a non-inverting 3-state buffer that is used to provide both input and output isolation. The CD4050BDR can take a variety of input signals and can output a single, buffered signal.

The CD4050BDR is used in a variety of applications due to its versatility. It can be used to link high-speed logic gates, to drive high-power loads, or to interface voltage levels between different logical systems. The CD4050BDR can also be used in data acquisition, analog-to-digital conversion, motion control, and other switching applications. The device is available in a variety of packages including DIP, SOP, and TSSOP.

Working Principle

The CD4050BDR is an integrated circuit (IC) that includes six 3-state buffers with separate enable inputs and common output enables (OE1 and OE2). The inputs of the device states at logic high, low, or high impedance. The inputs and outputs can be either single-ended or differential. The outputs are open-collector, meaning that the output does not include a pull-up or pull-down resistor.

The CD4050BDR has two separate enable inputs. The first enable (EN1) is active high, which means it must be at logic high in order to enable the outputs. The second enable (EN2) is active low, which means it must be at logic low in order to enable the outputs. The OE1 and OE2 pins control the overall output enable of the device. If either one of these pins is at logic low, then all of the outputs will be in high impedance state.

Each buffer of the device is composed of an PMOS pass transistor and an NMOS pull-down resistor. When the input is high or low, the P-MOSFET will conduct and the N-MOSFET will be off. When the input is high-impedance, neither transistor will conduct and the output will remain at its previous state.

The CD4050BDR is a very versatile device with a wide range of applications. It is used to link high-speed logic gates, to drive high-power loads, or to interface voltage levels between different logical systems. It also has the flexibility to support multiple input and output voltages. Overall, the CD4050BDR is an ideal choice for a wide range of applications that require both input and output isolation.

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