Vintage Electronic Calculators:

Overview of Brands


NEC_parts(E): µPD946C (CalcChip)
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Product number (P/N): µPD946C,
Keywords/Tags: µPD946C
Date of intro-: ~1975, 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: BROTHER: 518AZ, BUSINESS MACHINES BRESCHI (BMB): 80MF, CANON_parts(E): EH1001802 (PCB), CITIZEN: 830R, DECIMO: Super Vatman (version-1), DECIMO: Super Vatman M (version-2), DECIMO: Vatman Extra S, DECIMO: Vatman Mini S, ELECTRO CALCUL: 83M, ELITE: S2003, FEDERAL: Student, FIRST: (Unknown model 1), KARSTADT: SR40, LLOYDS: E320 (version-1), MALLORY: 14, MBO: De Luxe IV, MONROE: 98, OLYMPIA: CD44, PANASONIC_parts(E): YLPRD0004900 (PCB), RICOH: RC8L, UNIVERSAL: SR400


Created: 20-nov-2014, Manual-update: 23-aug-2021, Batch-update: 26-feb-2024             

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