8-BIT HCMOS MCUs FOR TV FREQUENCY SYNTHESIS WITH OSD

GENERAL DESCRIPTION The ST639x microcontrollers are members of the 8-bit HCMOS ST638x family, a series of devices specially orientedto TV applications. ■ 4.5 to 6V supply operating range ■ 8MHz Maximum Clock Frequency ■ User Program ROM: Up to 20140 bytes ■ Reserved Test ROM:Up to 340 bytes

8-BIT HCMOS MCUs FOR TV FREQUENCY SYNTHESIS WITH OSD

GENERAL DESCRIPTION The ST639x microcontrollers are members of the 8-bit HCMOS ST638x family, a series of devices specially orientedto TV applications. ■ 4.5 to 6V supply operating range ■ 8MHz Maximum Clock Frequency ■ User Program ROM: Up to 20140 bytes ■ Reserved Test ROM:Up to 340 bytes

Channel style heat sink with folded back fins

Channel style heat sink with folded back fins for increased cooling surface area. Available with tin plated solderable tabs for easy attachment to the printed circuit card.

High voltage high and low-side driver

Features  High voltage rail up to 600 V  dV/dt immunity ± 50 V/ns over full temperature range  Driver current capability: – 290 mA source – 430 mA sink  Switching times 75/35 ns rise/fall with 1 nF load  3.3 V, 5 V TTL/CMOS inputs with hysteresis  Integrated bootstrap diode  Inter

High voltage high and low-side driver

Features  High voltage rail up to 600 V  dV/dt immunity ± 50 V/ns over full temperature range  Driver current capability: – 290 mA source – 430 mA sink  Switching times 75/35 ns rise/fall with 1 nF load  3.3 V, 5 V TTL/CMOS inputs with hysteresis  Integrated bootstrap diode  Inter

CUSTOMER PRODUCT SPECIFICATION

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How to Use This Catalog

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