Components

Texas Instruments dual 4-channel analog multiplexer/demultiplexer IC independently routing one of four analog/digital signals on two channels (X and Y) using binary select inputs.

Texas Instruments triple 2-channel (SPDT) analog multiplexer/demultiplexer IC independently routing 3 separate analog/audio channels using binary control inputs.

Texas Instruments quad bilateral analog switch IC featuring four independent SPST CMOS switches with low 80Ω on-resistance for analog and digital signal routing.

CMOS 4000-series unbuffered hex inverter IC containing six independent single-stage inverting gates, widely used for CMOS crystal/RC oscillators, low-frequency digital logic, and analog linear amplification in audio synthesizer and guitar fuzz circuits.

CMOS 4000-series IC containing four independent 2-input OR logic gates operating over a wide supply voltage range from 3V to 18V DC with buffered outputs and high noise immunity.

CMOS 4000-series IC containing four independent 2-input AND logic gates operating over a wide supply voltage range from 3V to 18V DC with buffered outputs and high noise immunity.

CMOS 4000-series IC containing four independent 2-input NAND logic gates with Schmitt-trigger inputs (up to 18V supply), widely used in modular synthesizers, gated RC audio oscillators, and industrial noise-immune controls.

CMOS 6-channel non-inverting 3-state buffer IC with separate 4-bit and 2-bit active-low output enable controls for bus-oriented digital systems.

Texas Instruments 18V BCD-to-7-segment latch/decoder/driver IC with active-HIGH outputs for driving common-cathode 7-segment LED displays directly.

Texas Instruments 18V BCD-to-7-segment latch/decoder/driver IC featuring a Phase input (PH) for driving liquid crystal displays (LCD) or common-anode/common-cathode LEDs.

Texas Instruments 3-digit synchronous BCD counter IC with internal multiplexed 4-bit BCD outputs and 3 active-LOW digit select lines for direct multi-digit display systems.

WCH (Nanjing Qinheng Microelectronics) low-cost USB 2.0 full-speed to UART bridge controller IC in a SOP-16 package, requiring an external 12 MHz crystal, widely used on budget Arduino clones and USB-serial adapters.

Silicon Labs highly integrated USB 2.0 Full-Speed to UART bridge controller IC featuring an integrated oscillator, internal 5V-to-3.3V LDO, and 12 Mbps USB PHY.

FTDI industry-standard USB 2.0 Full-Speed to UART interface IC with integrated clock generator, 128-byte EEPROM, and full modem handshake lines.

Texas Instruments / Maxim Integrated iconic dual RS-232 driver and receiver IC with internal capacitive charge pumps generating +10V/-10V rails from a single 5V DC supply.

Microchip 16-bit parallel I/O expander for I2C bus featuring two 8-bit ports (PORTA and PORTB), configurable pull-ups, polarity inversion, and dual interrupt outputs.

Sharp Microelectronics / Lite-On 4-pin DIP photocoupler featuring 5000V RMS galvanic isolation, 80V VCEO phototransistor, and 50% to 600% CTR for noise isolation and micro-to-mains feedback.

NXP and Texas Instruments remote 8-bit I/O expander for I2C-bus, featuring quasi-bidirectional I/O ports, an open-drain interrupt output, and 3 hardware address selection pins.

4-wire resistive touchscreen controller IC integrating a 12-bit SAR ADC, auxiliary analog inputs (temperature & battery voltage), and SPI interface (up to 2.5 MHz), paired with ILI9341 TFT displays.