• Test Page

    07/28/2019 at 20:06 28 comments

    Do whatever here, making this page so I can do experiments on HaD comments etc


  • Ethereum Dapp Page

    06/08/2019 at 18:59 0 comments

    Metamask Developer Notes

    Medium Metamask Breaking Change

  • Inventory of all my chips

    04/06/2017 at 15:28 3 comments

    7417544 bit register with universal clock
    7417416 bit register with universal clock
    7417311+quad D flip-flop, tri state, asynchronous clear
    74451BCD to decimal decoder
    7416113pre/resettable 4-bit counter
    74hc147210-to-4 line encoder
    28 line multiplexer
    740414hex inverter
    74051hex inverter, open collector outputs
    Intel 2114A31024x4 SRAM
    74181164 bit ALU
    743215quad OR gate
    74144hex Schmitt trigger inverter
    74102triple 3-input NAND gate
    74208dual 4-input NAND gate
    74001quad NAND gate
    74084quad AND gate
    747412 D flip-flops
    74271triple 3-input NOR
    74401don't get what this is - dual 4-inp. NAND?
    741261quad tri-state bus buffer
    7440751triple 3-inp. OR gate
    74863quad 2-inp. XOR gate
    741321quad NAND Schmitt trigger
    741631presettable 4-bit binary counter (sync. clear)
    7413823-to-8 line decoder
    746291dual voltage controlled oscillator
    7425918 bit adressable latch
    743671hex buffer tri-state
    745954+serial input shift register 8 bit
    741661parallel load 8-bit shift reg.
    741911presetable up/down binary counter
    744040112-stage binary ripple counter
    P2114A3512 bytes RAM, as 1Kx4 bits
    idt 71256332k 9ns SRAM
    mc140114quad 2-inp NAND gate (CMOS, 4011 alias)
    mc14040412-stage binary ripple counter (CMOS, 4040 alias)
    mc144901hex contact bounce eliminator (CMOS, 4490 alias)
    mc1451228-input tristate multiplexer (CMOS, 4512 alias)
    40011Quad 2-input nor gate
    40132dual d flipflop
    4020214-stage binary ripple counter
    40271Dual J-K master-slave flip-flop
    40561BCD to 7-segment
    40711quad 2-input or gate
    40732Triple 3-input and gate
    4081too manyquad 2-input and gate

    I think my MC14000s may be related to an MC14500 somewhere, but I can't look for it right now.  That would be very interresting!