Communication interface chip UART485/232
ADI/MAXIM (MAXIM)
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HOLTEK (Holtek/Holtek)
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DTMF Dual Tone Multi Frequency Generator
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Dialog Semiconductor
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WCH (Nanjing Qinheng)
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Serial port expansion chip that can expand 8 serial ports
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DIODES (US and Taiwan)
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TI (Texas Instruments)
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AM26LV32 Low Voltage High Speed Quad Differential Line Receiver
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MICROCHIP(USA)
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Encryption Chip
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IC+(Jiuyang Electronics)
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TI (Texas Instruments)
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TLV320AIC23B Low Power Stereo Audio Codec with Headphone Amplifier
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TI (Texas Instruments)
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RUNIC (Runshi)
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2-channel 4-to-1 multiplexer
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ADI/MAXIM (MAXIM)
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onsemi (Ansemi)
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The NB3N201S and NB3N206S are pure 3.3 V supply differential multipoint low voltage (M-LVDS) line drivers and receivers. The NB3N201S and NB3N206S devices are TIA/EIA-899 compliant. The NB3N201S provides a Type 1 receiver threshold at 0.0 V. The NB3N206S provides a Type 2 receiver threshold at 0.1 V. These devices feature Type 1 and Type 2 receivers capable of detecting bus state with differential input voltages as low as 50 mV over a common-mode voltage range of −1 V to 3.4 V. The Type 1 receiver has near-zero thresholds (±50 mV) and 25 mV of differential input voltage hysteresis to prevent output oscillations, slow signal changes, or input loss. Type 2 receivers include excursion thresholds to provide detectable voltages during open-circuit, idle bus, and other fault conditions. NB3N201S and NB3N206S support simplex or half-duplex bus configuration.
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