https://estore.st.com/en/applications/industrial/factory-automation/programmable-logic-controllers-plc/plc-control-unit/ts3021.html
TS3021 - Integrated Circuits & Chips - eStore - STMicroelectronics
Buy the right electronic components, ICs and semiconductor devices for TS3021 with STMicroelectronics. Prices and availability in real-time, fast shipping.
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https://www.st.com/content/st_com/en/products/amplifiers-and-comparators/comparators/high-speed-comparators/ts3021.html
TS3021 | Product - STMicroelectronics
The TS3021, TS3021A single comparator features high-speed response time with rail-to-rail inputs.
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