HT6542 series datasheets. Manufacturer: Holtek Semiconductor Inc..

HT6542B Keyboard controller with PS/2 in 40-pin DIP package. Operational temperature range from 0°C to 70°C. Datasheet*) HT6542B Keyboard controller with PS/2 in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. Datasheet*)

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