Semiconductor & Computer Engineering
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Revision as of 06:42, 8 November 2015
- Not to be confused with National MAPS (MM570X Series).
The National MM5700 or National MM57XX series a family of 4-bit calculator chips designed by National Semiconductor. The chips were made using PMOS technology, most designed for 9V battery, had an a very limited set of math operations - some only as few as addition, subtraction, multiplication, and division. These chips were made as part of National attempt to enter the ultra-low-end calculator market.
| Family Members | |
|---|---|
| Part | Description |
| MM5734 | 8-function accumulator calculator |
| MM5737 | 8-digit, 4-function floating point calculator |
| MM5758 | Scientific Calculator |
| MM5760 | Slide Rule Calculator |
| MM5762 | Financial Calculator |
| MM5763 | Statistical Calculator |
| MM5764 | Conversion Calculator |
| MM5765 | Calculator Programmer |
| MM5766 | Calculator Programmer |
| MM5767 | Slide Rule Calculator |
| MM5777 | 6-digit, 4-function, floating point calculator |
| MM5780 | Educational toy calculator |
| MM5791 | 8-function accumulator calculator |
| MM5794 | 8-function accumulator VFD calculator |
| MM5795 | 8-function accumulator VFD calculator |
| MM57103 | Scientific Calculator Circuit |
| MM57104 | Scientific Calculator Circuit |
| MM57123 | Scientific Calculator ROM |
| MM57136 | RPN Scientific calculator control ROM |
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