SN74HC157D
Texas Instruments
The Texas Instruments SN74HC157D is a quadruple 2-line to 1-line data selector/multiplexer. It operates over a wide voltage range and features low power consumption.
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26 pcs
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26 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The 74LS266 is a versatile integrated circuit from Texas Instruments that provides four independent XNOR gates. This chip is part of the 7400 series logic family and is distinguished by its open-collector outputs. This feature allows for flexible interfacing with other logic levels and simplifies connection to components that require current sinking capabilities.
The 74LS266 operates at a standard voltage of 5V. Each gate's output can sink approximately 8 mA of current when powered at 5V, though this value may vary by manufacturer. The open-collector design means the output can only sink current, not source it. To achieve a standard high/low output, an external pull-up resistor is required.
This IC is housed in a 14-pin package, making it suitable for various circuit board designs. The open-collector outputs are particularly useful in applications where multiple gates need to be wire-ORed or when interfacing with different voltage domains. Understanding how to properly utilize the open-collector characteristic is key to successful implementation in your designs.
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Estimated market price range - modelled values for guidance only, not live distributor offers.
The 74LS266 contains four XNOR gates.
The 74LS266 operates at 5V.
The 74LS266 features open-collector outputs.
The gate output of the 74LS266 can typically sink 8 mA at 5V.
The 74LS266 is available in a 14-pin package.
