Low-power translator for standard logic shift register market

New Products |
By Nick Flaherty

The 74LVC8T595 is the world’s first cascadable 8-bit serial-in, parallel-out I/O expansion device that combines shift register function with voltage translation. The single chip replaces two devices, delivering higher levels of integration and a smaller footprint. It operates in the 1.1 to 5.5 V range, enabling newer low-voltage controllers to interface with legacy solutions.

The 74LVC8T595 uses IOFF (power-off leakage current) circuitry for partial power down-mode operation, which contributes to energy savings. The device is available in 20-pin leaded TSSOP and leadless DQFN packages. Both packages are specified for -40 °C to +125 °C and can be released in the company’s Automotive (-Q100) portfolio.

Nexperia already supplies low power 5V, 3.3V and 1.8.V translators and is using the same technology for standard logic voltage translating shift register products. “These new devices are helping to create a market by enabling voltage-level translation for new low-voltage controllers to interface with legacy solutions and vice versa. Our devices save space and BOM costs and help to improve system integration and performance,“ said Michael Lyons, Nexperia’s Senior Product Manager for Logic.

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