Microchip UM7104B

Part points

• The UM7104B is a versatile display driver chip commonly used in electronic devices such as digital clocks, calculators, and multi-function watches. It features high brightness LED segments, multiplexed display control, and low power consumption. The chip can drive up to 6 digits with 8 segments each, making it ideal for compact and efficient display applications.

• Equivalent

  Some equivalent products of the UM7104B chip include the MM74C922N by Fairchild Semiconductor, the CD74HC4067 by Texas Instruments, and the PT8A2513B by Princeton Technology Corp. These chips are all multiplexers/demultiplexers that can be used in various applications requiring data selection and routing.

• Features

  UM7104B is a single- chip VGA display controller with integrated RAM, programmable display resolution up to 1024x768 pixels, and support for 256 colors. It also features a built-in character generator, hardware cursor, and serial interface for easy communication with external devices.

• Pinout

  The UM7104B is an 18-pin DIP integrated circuit that functions as a microcontroller. It features a 4-bit CPU, 1K x 8-bit ROM, 64 x 4-bit RAM, four 8-bit programmable I/O ports, and timers. The pin functions include Vcc, ground, clock input, reset, and data and address bus connections.

• Manufacturer

  The UM7104B is manufactured by UMC (United Microelectronics Corporation), a Taiwanese semiconductor company that specializes in the manufacturing of integrated circuits (ICs) for a wide range of industries including consumer electronics, automotive, and communication. UMC is one of the largest semiconductor foundries in the world, providing advanced technology solutions for global customers.

• Application Field

  UM7104B is commonly used in various consumer electronics applications such as LCD monitors, digital TVs, decoders, set-top boxes, and other multimedia devices. It is also found in industrial equipment, automotive systems, and medical devices requiring display interface control. Its versatility and reliability make it a popular choice for many different types of electronic products.

• Package

  The UM7104B chip is available in a SOP-16 package, which is a surface mount package with a 0.1" pitch. The chip is in the form of a 16-pin dual in-line package, measuring approximately 10.3mm x 7.5mm x 2.7mm in size.