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( File format: PDF, 102 Kbytes )
Single Supply TIA/EIA-232 4x4 Driver/Receiver
National Semiconductor

Description
The DS14C238 is a four driver, four receiver device which conforms to the TIA/EIA-232-E standard and CCITT V.28 recommendations. This device eliminates 12V supplies by employing an internal DC-DC converter to generate the necessary output levels from a single +5V supply. Driver slew rate control and receiver noise filtering have also been internalized to eliminate the need for external slew rate control and noise filtering capacitors.
Features

???Conforms to TIA/EIA-232-E and CCITT V.28
???Internal DC-DC converter
???Operates with single +5V supply
???Low power requirement-ICC 10 mA max
???Internal driver slew rate control
???Receiver noise filtering
???Operates above 120 kbits/sec
???Direct replacement for MAX238




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