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Difference between revisions of "national semiconductor/mm5700"
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− | {{national title|MM5700}}{{confuse|national/maps|l1=National MAPS (MM570X Series)}} | + | {{national title|MM5700}}{{confuse|national semiconductor/maps|l1=National MAPS (MM570X Series)}} |
The '''National MM5700''' or '''National MM57XX''' series a [[microprocessor family|family]] of [[4-bit architecture|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. | The '''National MM5700''' or '''National MM57XX''' series a [[microprocessor family|family]] of [[4-bit architecture|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. | ||
Latest revision as of 04:26, 10 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 | |
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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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