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TC83220-0020
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC83220-0020
TC83220-0020 Single-Chip CMOS LSI for FL (fluorescent) Calculator
The TOSHIBA printing/display calculator circuit TC83220-0020 is 10- or 12-digit calculator on single-chip CMOS LSI. TC83220-0020 can drive the printing machine (M2158II/ M2156II; EPSON) with magnet driver circuit, and can drive the fluorescent display tube with DC-DC converter. It contains a 4 K-word ROM, a 256 × 4-bit RAM.
Features
Operational Features
· Print: 11 or 13 digits of data. (including decimal point. 2 digits of operational symbol.) 3 digits of commas. · Display: 10 or 12 digits of data. (including punctuation in each digit.) 1 digit of floating minus sign, memory load, error symbol. 3 digits of commas.