HT48CA3 Datasheet and HT48CA3 manual

Manufacturer : Holtek 

Packing : SOP 

Pins : 28 

Temperature : Min -40 °C | Max 85 °C

Size : 298 KB

Application : 8-bit remote type MCU, 24K x 16 program memory ROM, 224 x 8 data memory RAM 

HT48CA3 PDF Download