CMOS IC
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Start:
The low power CMOS IC [Integrated Circuit] was one of the...
*AMI [#ob97d56e]
The MOS IC used in the Riquartz [[550]], compare with the...
#ref(550-AMI-MOS-2.jpg,right,around,zoom,0x150);
#ref(550-AMI-MOS.jpg,zoom,0x150);
From Cho family "In 1969, Manny Choy completed his assign...
KMI experienced rough road of semiconductor business in s...
*Seiko [#x5a8c10c]
MOS IC published in electric watch technical guide, with ...
#ref(Seiko-MOS-2.jpg,around,right,zoom,0x200);
#ref(Seiko-MOS-1.jpg,zoom,0x200);
An early CMOS IC. Seiko claim this to be the first CMOS a...
#ref(Seiko-CMOS-2.jpg,around,right,zoom,0x200);
#ref(Seiko-CMOS.jpg,zoom,0x200);
*RCA [#oe063d39]
RCA were the first US manufacturer to offer CMOS chips.
81473 - Used in the [[570]], a very low profile ceramic p...
#ref(RCA-81473-2.jpg,around,right,zoom,0x150);
#ref(RCA-81473-1.jpg,zoom,0x150);
*Hughes [#e428cc48]
Probably made some of the early LED modules
*Motorola [#h1bff00a]
#ref(Motorola-IC.jpg,zoom,0x150);
Interesting this advert says 32,768Hz divided 16 times [i...
SC10018F, 300 transistors, as used in GP 350, 352, & J-L ...
MTD161F used in Rondaquartz circa 1973.
Four digit date code, ie 7322 is 22nd week of 1973
*Hitachi [#b85b2066]
Supplied IC for Riquartz [[590]] & [[510]], and some [[57...
Cal [[510]] CMOS integrated circuit marked for example "7...
Example: 3B4 reads as 4th week in February of the year 1...
-A Jan
-B Feb
-C Mar
-D Apr
-E May
-F Jun
-G Jul
-H Aug
-J Sep
-K Oct
-L Nov
-M Dec
Earlier ICs could have two digit code, ie 1B for Feb 1971
CMOS IC micrograph from [[590]];
#ref(590-IC.jpg,zoom,0x150);
*OKI [#f914b238]
Supplied IC for Casiotron 02 marked "MSM5920 4Y32" [for N...
The second character of the code is the last digit of the...
Example: 9951 reads as May of the year 1979
*Mitsubishi [#nc73fd6f]
#ref(mitsubishi-ic-1.jpg,zoom,0x150);
*PUW [#x9becd0c]
#ref(PUW.jpg,zoom,0x150);
*CEH Beta 21 [#xbf5141e]
#ref(CEH-Beta21-ic.jpg,zoom,0x150);
*Unknown IC [#g997184f]
#ref(unknown-ic.jpg,zoom,0x150);
End:
The low power CMOS IC [Integrated Circuit] was one of the...
*AMI [#ob97d56e]
The MOS IC used in the Riquartz [[550]], compare with the...
#ref(550-AMI-MOS-2.jpg,right,around,zoom,0x150);
#ref(550-AMI-MOS.jpg,zoom,0x150);
From Cho family "In 1969, Manny Choy completed his assign...
KMI experienced rough road of semiconductor business in s...
*Seiko [#x5a8c10c]
MOS IC published in electric watch technical guide, with ...
#ref(Seiko-MOS-2.jpg,around,right,zoom,0x200);
#ref(Seiko-MOS-1.jpg,zoom,0x200);
An early CMOS IC. Seiko claim this to be the first CMOS a...
#ref(Seiko-CMOS-2.jpg,around,right,zoom,0x200);
#ref(Seiko-CMOS.jpg,zoom,0x200);
*RCA [#oe063d39]
RCA were the first US manufacturer to offer CMOS chips.
81473 - Used in the [[570]], a very low profile ceramic p...
#ref(RCA-81473-2.jpg,around,right,zoom,0x150);
#ref(RCA-81473-1.jpg,zoom,0x150);
*Hughes [#e428cc48]
Probably made some of the early LED modules
*Motorola [#h1bff00a]
#ref(Motorola-IC.jpg,zoom,0x150);
Interesting this advert says 32,768Hz divided 16 times [i...
SC10018F, 300 transistors, as used in GP 350, 352, & J-L ...
MTD161F used in Rondaquartz circa 1973.
Four digit date code, ie 7322 is 22nd week of 1973
*Hitachi [#b85b2066]
Supplied IC for Riquartz [[590]] & [[510]], and some [[57...
Cal [[510]] CMOS integrated circuit marked for example "7...
Example: 3B4 reads as 4th week in February of the year 1...
-A Jan
-B Feb
-C Mar
-D Apr
-E May
-F Jun
-G Jul
-H Aug
-J Sep
-K Oct
-L Nov
-M Dec
Earlier ICs could have two digit code, ie 1B for Feb 1971
CMOS IC micrograph from [[590]];
#ref(590-IC.jpg,zoom,0x150);
*OKI [#f914b238]
Supplied IC for Casiotron 02 marked "MSM5920 4Y32" [for N...
The second character of the code is the last digit of the...
Example: 9951 reads as May of the year 1979
*Mitsubishi [#nc73fd6f]
#ref(mitsubishi-ic-1.jpg,zoom,0x150);
*PUW [#x9becd0c]
#ref(PUW.jpg,zoom,0x150);
*CEH Beta 21 [#xbf5141e]
#ref(CEH-Beta21-ic.jpg,zoom,0x150);
*Unknown IC [#g997184f]
#ref(unknown-ic.jpg,zoom,0x150);
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