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WESTERN DIGITAL_parts(E): LC1552B (CalcChip)
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Product number (P/N): LC1552B,
Keywords/Tags: LC1552B
Date of intro-: ~1973, TimeKeeper IC's (sorted by Year): (Link), Case: Type = Dual In Line (DIL) 40,
Classification: / Part / Calculator-Chip,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Used in: APF: 14, APF: VI (6), BOWMAR_parts(E): PM905411B (PCB), BOWMAR_parts(E): PM905412A (PCB), BRAINMATE: 800M, COMMODORE: GL986R (version-2), COMMODORE: GL987R (version-3), COMMODORE: GL987R (version-4), COMMODORE: MM2PM, COMMODORE: MM3MW (version-2), COMMODORE: MM3PM (version-1), HANIMEX: BCM850, HANIMEX: BCM901, LLOYDS: EH8822-2 (version-3), MONTGOMERY WARD: P8M, PRECISA: President, PYE: P640, RADIO SHACK: EC300, ROYAL: Five GT, SEARS: 41015

Item

IC (Member)
7341
(oct-1973)
Host: SEARS: 728.58821
S/N: 210555

IC (Member)
7350
(dec-1973)
Host: RADIO SHACK: EC300
S/N: 30017186
Link-1: DATAMATH CALCULATOR MUSEUM

IC (Member)
7402
(jan-1974)
Host: SOUNDESIGN: 8309
S/N: ?

IC (Member)
7405
(jan-1974)
Host: MONTGOMERY WARD: P8M
S/N: 47F0023467
Link-1: DATAMATH CALCULATOR MUSEUM

IC (Member)
7406
(feb-1974)
Host: BOWMAR: MX55 (version 2)
S/N: 102905

IC (Member)
7436
(sep-1974)
Host: COMMODORE: MM3PM (version-1)
S/N: 18267
Link-1: VINTAGE TECHNOLOGY

IC (Member)
7442
(oct-1974)
Host: PYE: P640
S/N: 41112719

IC (Member)
7442
(oct-1974)
Host: COMMODORE: GL987R (version-4)
S/N: 024574

IC (Member)
7446
(nov-1974)
Host: COMMODORE: GL986R (version-2)
S/N: 67920

IC (Member)
7449
(dec-1974)
Host: HANIMEX: BCM901
S/N: ?

Created: 01-jan-2015, Manual-update: 02-aug-2026             

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