TC7MB3257CFK-EL(M)

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The TC7MB3257CFK-EL(M) is a high-speed CMOS Logic-Signal Switch Multiplexer/Decoder. It is designed to provide high speed operation and very low power consumption. It is suitable for use in applications requiring logic-signal switching and multiplexing. The TC7MB3257CFK-EL(M) supports inputs from single or multiple active low or high-level signals and can be used in applications with a 3V and 5V power configuration.

The TC7MB3257CFK-EL(M) has a power-on reset that sets all of the outputs low and all the inputs high, which protects the device from latch-up. The outputs are open-drain and pull-up resistors must be connected to the output pins. An output enable control pin is also available to disable all outputs. The device also includes inbuilt current limiters to ensure that the maximum switching current limit is not exceeded, as well as internal ESD protection.

The device uses two independent multiplexers and a decoder. The multiplexers have eight independent data inputs and eight data outputs. When the chip is enabled, the output of one of the multiplexers is set to correspond with the state of the multiplexer select inputs, and the the other multiplexer will follow the same pattern as the first. The pair of selecting inputs can be driven either by logic signals or analog signals, with the voltage limited between 0V and VCC.

The decoder can take up to four inputs from either one or several active low or high level signals input as well as a single reference Low voltage. It will then generate four output levels, each corresponding to one of the inputs.

The device\'s maximum input and output frequency is typically 40 MHz, with an upper limit specified at 35MHz. It has a voltage distribution between VCC = 0.8 V to 3.6V and an operating temperature range of -40°C to +85°C. The supply current is typically <400µA, with a maximum supply current of 800µA.

The TC7MB3257CFK-EL(M) is an ideal solution for applications that require high speed operation and low power consumption. Its multiplexers and decoder can provide flexible, cost-effective and robust circuit design for variety of logic-signal switching and communication interface applications.

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