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DS14C232 Datasheet(PDF) 8 Page - Texas Instruments |
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DS14C232 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 18 page DS14C232 SNLS076C – OCTOBER 1999 – REVISED APRIL 2013 www.ti.com PIN DESCRIPTIONS VCC (Pin 16) Power supply pin for the device, +5V (±10%). V+ (Pin 2) Positive supply for TIA/EIA-232-E drivers. Recommended external capacitor: C4-1.0 μF (6.3V). Capacitor value should be larger than 1 μF. This supply is not intended to be loaded externally. V − (Pin 6) Negative supply for TIA/EIA-232-E drivers. Recommended external capacitor: C3-1.0 μF (16V). Capacitor value should be larger than 1 μF. This supply is not intended to be loaded externally. C1+, C1 − (Pins 1, 3) External capacitor connection pins. Recommended capacitor: 1.0 μF (6.3V). Capacitor value should be larger than 1 μF. C2+, C2 − (Pins 4, 5) External capacitor connection pins. Recommended capacitor: 1.0 μF (16V). Capacitor value should be greater than 1 μF. DIN1, DIN2 (Pins 11, 10) Driver input pins are TTL/CMOS compatible. Inputs of unused drivers may be left open, an internal active pull-up resistor (500 k Ω minimum, typically 5 M Ω) pulls input HIGH. Output will be LOW for open inputs. DOUT1, DOUT2 (Pins 14, 7) Driver output pins conform to TIA/EIA-232-E levels. RIN1, RIN2 (Pins 13, 8) Receiver input pins accept TIA/EIA-232-E input voltages (±25V). Receivers feature a noise filter and specified hysteresis of 100 mV. Unused receiver input pins may be left open. Internal input resistor 4.7 k Ω pulls input low, providing a failsafe high output. ROUT1, ROUT2 (Pins 12, 9) Receiver output pins are TTL/CMOS compatible. Receiver output HIGH voltage is specified for both CMOS and TTL load conditions. GND (Pin 15) Ground Pin. 8 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: DS14C232 |
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