TC83220-0009
TC83220-0009 is Single-Chip CMOS LSI manufactured by Toshiba.
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TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
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 mas.
- Display: 10/12 digits of data. (including punctuation in each digit.) 1 digit of floating minus sign, memory load, error symbol. 3 digits of mas.
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- Decimal output: Decimal set lock key controls output format. Fixed decimal setting (“0”, “1”, “2”, “3”, “4”, “6”), full floating decimal, and ADD mode. Key input buffer: 8 stages Function: 4 basic arithmetic function (+,
- , ×, ÷). Repeat addition and subtraction. Automatic constants in multiplication, division, percent calculation, calculations. Automatic percent add-on and percent discount calculations. Memory calculation. Automatic accumulating calculation. Gross margin profit calculation. Delta percent calculation. Two-key rollover.
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- Item counter: 0~999 count up or
- 999~0~999 count up/down by depressing of Punctuation: mas for thousands on display. Kinds of touch key: key. Weight: 4.12 g (typ.)
2003-02-28
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- Kinds of lock key: “PRINT” printing mode selectable switch. “Σ” summation mode selectable switch. “5/4” “CUT” “UP” rounding switch. Fixed point mode selectable switch. “0”, “1”, “2”, “3”, “4”, “6”, “F”, “AM”. “IC+”, “IC±” item counter mode selectable switch. “GT” grand total memory selectable switch.
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- Duty of display: Duty = 1/14.9 Leading zero suppression Trailing zero suppression
Electrical Features
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