CD4585BNSR

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The surface-mount CD4585BNSR is a CMOS device that is used in various applications as a quad 2-input EXCLUSIVE-OR gate. It is composed of four independent gates, each of which performs the logical EXCLUSIVE-OR function. The output of each EXCLUSIVE-OR gate is active only when exactly one of the inputs is at logic level “1”; when both are at logic level “1” or when both are at logic level “0”, the output is at logic level “0”.

This IC is an improved version of the widely accepted family of EXCLUSIVE-OR gates, the CD4001 single gate, the CD4002 dual gate, and the CD4000 quad gates. Its function and pinout are in complete agreement with these devices, making the CD4585BNSR ideal for replacing the older technology. It also comes in smaller packages with fewer pins than the CD4001, CD4002 and CD4004, which reduces the circuit board area needed for the design.

The CD4585BNSR device provides a significant speed vs. power tradeoff. The input threshold is typically about 2.0 V for either a high- or low-level input, but noise immunity is also good. The circuit is designed to provide about 2.4 mA of output (sink) current, making it an ideal choice for applications that need low-power operation. In addition, this IC features a low power-up time, which helps reduce the power consumption during startup. The CD4585BNSR also features a built-in power-on reset circuit, allowing it to be used in power-supply sequencing applications.

The CD4585BNSR’s application field is highly varied and includes interfacing digital systems, counting, sequencing and encoding/decoding applications. It can also be used as a logic element and can enhance the design of high-speed CMOS logic circuits and Timer Circuits. This IC can be used in power-supply sequencing applications due to its built-in power-on reset circuit.

The working principle of the CD4585BNSR is as follows. A logic input is applied to each of the two input pins, and the output is generated at the respective output pins. The output from a given gate is active only when exactly one of the two inputs is held at logic level “1”; when both are held at logic level “1” or when both are held at logic level “0”, the output is set to logic level “0”. This process repeating for each of the four EXCLUSIVE-OR gates.

The CD4585BNSR adds an extra layer of versatility to digital system design. Its relatively low power consumption, combined with its high speed, provides a very cost-effective way to improve design efficiency. Its small size and low pin count, as well as its improved noise immunity and power-up time help keep designs compact and reduce the amount of power necessary for operation. The device’s built-in power-on reset circuit, extra features, and enhanced performance all give it a clearly superior edge over multiple-gate alternatives.

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