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Mixed Signal & Analog Showcase
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Mixed Signal & Analog Showcase

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TVP3026B: Improved 64-bit RAMDAC

The TVP3026B 64-bit RAMDAC supports speeds up to 250 MHz for 1600 x 1280 high-refresh applications with the ability to display 16-bit true color (65,536 colors). At 1280 x 1024 resolution, the device supports 24-bit true color with 16.7 million colors. Pixel bus data can be split into 1, 2, 4 or 8-bit planes for pseudo color codes, or split into 12, 16, or 24-bit true color for direct color modes.

The TVP3026B is an improved version of the TVP3026. The PLL loop filter has been enhanced to improve its stability. The crystal oscillator circuit has been changed to a dc coupled input. Internal timing and programming improvements have been also included.

The TVP3026B is now available in a 160-pin quad flat (PCE) or 160-pin metal quad flat (MDN) package.


UARTs with expanded temperature range

Industrial temperature range versions of the TL16C550B and TL16C554 are available to the Universal Asynchronous Receiver/Transmitter (UART) product family. The TL16C550BI and TL16C554I are available now at a temperature range from 40° to 85°C. The '550BI is a single channel UART that performs serial to parallel and parallel to serial data conversion on data that travels to and from the PC serial port and the host processor. The '554I is a quad version of the '550BI with each channel operating independently.


IrDA controller in shrink package

A smaller package (PSOP-PW) is now available for the TIR1000 Infrared Data Association (IrDA) controller. The new 8-pin plastic small outline package (PSOP-PW) offers smaller dimensions in length, width and height from the other PSOP-PS package which has been offered. This new smaller package is targeted at applications where space savings is a key factor. These applications include cellular phones, pagers and handheld devices. The TIR1000 supports the 115 Kbps IrDA standard and interfaces directly to a UART and IrDA transceiver to perform data transmission between two pieces of electronic equipment.

Vol 20, January, 1997

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