• Electronics Goldmine Assortments II

    08/18/2015 at 00:30 0 comments

    Time for another Electronics Goldmine analysis!

    2x Box of ICs (>50)

    19135; $10.00 ($2.99 when I bought them.) Read more »

  • Electronics Goldmine Assortments

    07/25/2015 at 23:49 10 comments

    Box of ICs (>50)

    19135; $10.00

    • 7x TL7705ACP (TI) Supply Voltage Supervisor
    • 9x HCF4073BE (SGS) 3x 3-Input AND Gates
    • 2x HEF40193BP (Philips) 4-Bit Binary Up/Down Counter
    • 1x 74HC240N (Philips) 8-Channel Inverting Buffer, 3-State
    • 16x MC1455P1 (Motorola) 555 Timer Equivalent
    • 7x MC14538BCP (Dual Monostable Multivibrator)
    • 6x MC14094BCP (Motorola) 8-bit Shift Register (Serial to Serial/Parallel)
    • 2x MC14528BCP (Motorola) Dual Monostable Multivibrator
    • 2x MC1355P (Motorola) Unknown
    • 1x SN74LS670N (Motorola) 4x4 Register, 3-state
    • 10x 4023BCP (Unknown) 3-Input NAND Gate
    • 8x 4018BCP (Unknown) Presettable Divide-By-N Counter
    • 7x LF347N (Nat.Semi) Op Amp ± 18V
    • 3x MC74HC32N (Nat.Semi) Quad 2-Input OR Gate

    81 ICs.

    7/10 Nice variety! Website says "more than 50", so I may have gotten lucky. I now own so many 555 equivalents I fee obliged to post more comments on the hackaday blog.


    Semiconductor Treasure (50)

    15287; $5.00 Read more »