Vintage Electronic Calculators:

Overview of Brands


OMRON_parts(E): HD3672 (CalcChip)
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Product number (P/N): HD3672,
Keywords/Tags: HD3672
Date of intro-: ~1974, TimeKeeper IC's (sorted by Year): (Link), Case: Type = Dual In Line (DIL) 36,
Classification: / Part / Calculator-Chip,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Used in: OMRON: 86 (version-1), OMRON: 86 (version-4), OMRON: 86M (version-2), OMRON_parts(E): 86340302A (PCB)


IC (Member)
4K31 (74K 31)
Host: OMRON: 86 (version-3)
S/N: 0004363N

IC (Member)
4L41 (4L 41)
Host: OMRON: 86 (version-1)
S/N: 1033256T

IC (Member)
4M31 (74M 31)
Host: OMRON: 86 (version-4)
S/N: 1095425

Created: 19-nov-2015, Manual-update: 13-dec-2020, Batch-update: 26-nov-2021             

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4 Pic(s),


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