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Difference between revisions of "hitachi/hmcs-4"
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{{hitachi title|HMCS-4}}
 
{{hitachi title|HMCS-4}}
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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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{{ic family
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| title            = Hitachi HMCS-4
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| image            = <!-- Image representation of the IC family, e.g. "MCS-4.jpg"  -->
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| caption          = <!-- description of the image                                  -->
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| developer        = Hitachi
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| manufacturer      = Hitachi
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| type              = microprocessors
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| production start  = 1975
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| arch              = 4-bit
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| isa              = 4004
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| word              = 4-bit
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| proc              = <!-- process, e.g. "8 μm"                                      -->
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| tech              = pMOS
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| clock            = <!-- clock speed, e.g. "740 kHz"  IF RANGE, USE PARAM BELOW!  -->
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| clock min        = <!-- clock min speed, e.g. "200 MHz"                          -->
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| clock max        = <!-- clock max speed, e.g. "900 MHz"                          -->
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| package          = <!-- package, e.g. "DIP16"                                    -->
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| package 2        = <!-- package, e.g. "DIP16"                                    -->
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| package 3        = <!-- package, e.g. "DIP16"                                    -->
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| package 4        = <!-- package, e.g. "DIP16"                                    -->
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| package 5        = <!-- package, e.g. "DIP16"                                    -->
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}}
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The '''HMCS-4''' was a {{arch|4}} multi-chip [[microprocessor]] manufactured by [[Hitachi]]. It is unknown if this was a licensed 2nd source or a faithful clone of the {{intel|MCS-4|Intel MCS-4}}. 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 used an existing ROM chip.
  
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{| class="wikitable" style="float: right;"
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== Members ==
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{| class="wikitable"
 
! colspan="2" | Family Members
 
! colspan="2" | Family Members
 
|-
 
|-

Revision as of 14:07, 24 January 2016

Hitachi HMCS-4
no photo (ic).svg
Developer Hitachi
Manufacturer Hitachi
Type microprocessors
Production 1975
Architecture 4-bit
ISA 4004
Word size 4-bit
"-bit" is not declared as a valid unit of measurement for this property.
Technology pMOS

The HMCS-4 was a 4-bit multi-chip microprocessor manufactured by Hitachi. It is unknown if this was a licensed 2nd source or a faithful clone of the Intel MCS-4. 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 used an existing ROM chip.

Members

Family Members
Part Description
HD35404 4-bit CPU
HN35600 ROM
HD35402 RAM
HD35403 Shift Register

Documents

See also


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Facts about "HMCS-4 - Hitachi"
RDF feed
designerHitachi +
full page namehitachi/hmcs-4 +
instance ofmicroprocessor family +
instruction set architecture4004 +
main designerHitachi +
manufacturerHitachi +
nameHitachi HMCS-4 +
technologypMOS +