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BUY ST232CN https://www.utsource.net/itm/p/833974.html
5V POWERED MULTI-CHANNEL RS-232 DRIVERS AND RECEIVERS
Description: The ST232CN is a dual driver/receiver that includes a capacitive voltage generator to supply EIA-232 voltage levels from a single 5-V supply. Features: - Low power consumption - High data rate up to 120 kbits/s - Low supply voltage: +5 V - Low power shutdown mode - Output short-circuit protection - High noise immunity - ESD protection Applications: - Modems - ISDN terminal adapters - Set-top boxes - Industrial control - Point-of-sale terminals - Printers - Data acquisition systems (For reference only)