Vintage Electronic Calculators:

Overview of Brands


NEC_parts(E): D1803C (CalcChip)
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Product number (P/N): D1803C,
Keywords/Tags: D1803C
Date of intro-: ~1977, TimeKeeper IC's (sorted by Year): (Link),
Classification: / Part / Calculator-Chip,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Used in: BRINLOCK: 806MD, BROTHER: 508E, BROTHER: 508E-II, CLEVER: 2101, DECIMO: Super Vatman M (version-1), DECIMO: Vatman Mini MII (version-2), DETRON: 832MD, LOGOS: 832MD, MBO: 20 (Exact 20), MBO: R100, MBO: TR81M, OMRON: 861M, RANDS: UR300, SANYO: CX8136NE, SANYO: CX8138AN, SANYO_parts(E): R4172586 (PCB), SATEK: 830MD, SCHNEIDER: 78, SILVER-REED: 81 (version-3)


Created: 19-nov-2015, Manual-update: 11-oct-2021, Batch-update: 26-sep-2022             

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