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TC83220-0009
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC83220-0009
TC83220-0009: Single-Chip CMOS LSI for FL (fluorescent) Calculator with Printers
The TOSHIBA printing/display calculator circuit TC83220-0009 is 10/12-digit calculator on a single-chip CMOS LSI. TC83220-0009 can drive the printing machine (M-42TV/42V; 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: 12/14 digits of data. (including decimal point and minus signs.) 2 digits of operational symbol. 3 digits of commas. · Display: 10/12 digits of data. (including punctuation in each digit.) 1 digit of floating minus sign, memory load, error symbol.