Semiconductor & Computer Engineering
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Difference between revisions of "hitachi/hmcs-4"
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{{hitachi title|HMCS-4}} | {{hitachi title|HMCS-4}} | ||
| − | The '''Hitachi HMCS-4''' chipset was an {{intel|MCS-4|Intel MCS-4}} 2nd source | + | The '''Hitachi HMCS-4''' chipset was an {{intel|MCS-4|Intel MCS-4}} 2nd source. The complete system was made of 4 chips. The chipset included a [[ROM]] chip, a [[RAM]] chip, [[shift register]], and a [[4-bit architecture|4-bit]] [[microprocessor]]. The chipset was first produced first quarter of 1975. Hitachi appear to have used the same numbering system as Intel did for the family with the exception of the ROM chip which uses an existing ROM chip. |
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Revision as of 01:41, 24 December 2015
The Hitachi HMCS-4 chipset was an Intel MCS-4 2nd source. The complete system was made of 4 chips. The chipset included a ROM chip, a RAM chip, shift register, and a 4-bit microprocessor. The chipset was first produced first quarter of 1975. Hitachi appear to have used the same numbering system as Intel did for the family with the exception of the ROM chip which uses an existing ROM chip.
| Family Members | |
|---|---|
| Part | Description |
| HD35404 | 4-bit CPU |
| HN35600 | ROM |
| HD35402 | RAM |
| HD35403 | Shift Register |
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