Blank board only for building a manual programmer for 82s123 82s23 74s288 and 74s188 PROM chips. These are one-time write chips that many common programmers do not support. See below for a full parts list required to build this programmer. Power can be tapped from a standard PC power supply or arcade power supply.
PCB only. Parts NOT included. Parts can be ordered from Digikey, Ebay, and others. You supply. Note: For ordering outside the USA, please check my ebay listing.
Video
https://youtu.be/_c0Kx43SJEo?si=qm3IXyS0qLsuJZtF
BOM Download
Digikey - Main Parts
https://www.digikey.com/en/mylists/list/DG3M38DOSF
Parts Required (Not included with sale)
| Reference | Qty | Value | Note | DigiKey or Ebay Part # | Footprint |
| C1 | 1 | 100pF | Capacitor_THT:C_Disc_D9.0mm_W2.5mm_P5.00mm | ||
| C2 | 1 | 33 uF | 63v | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | |
| C3, C9 | 2 | 100 uF | 25v | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | |
| C4 | 1 | 22 uF | 25v | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | |
| C5 | 1 | 0.1 uF | Capacitor_THT:C_Disc_D9.0mm_W2.5mm_P5.00mm | ||
| C6 | 1 | 0.01uF | Capacitor_THT:C_Disc_D9.0mm_W2.5mm_P5.00mm | ||
| C7 | 1 | 220 uF | 10v | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | |
| C8 | 1 | 330pF | Capacitor_THT:C_Disc_D9.0mm_W2.5mm_P5.00mm | ||
| C10 | 1 | 10 uF | 25v | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | |
| D1, D2, D3, D4, D5, D6, D7, D8, D9 | 9 | LED | 8 Green, 1 Red | LED_THT:LED_D5.0mm | |
| D10, D11 | 2 | 1N5821 | Diode_THT:D_DO-201AD_P15.24mm_Horizontal | ||
| J1 | 1 | DIP 16 ZIF Socket | Ebay "dip 16 zif socket" | Socket:DIP_Socket-16_W4.3_W5.08_W7.62_W10.16_W10.9_3M_216-3340-00-0602J | |
| J2 | 1 | Conn_01x03_Pin | 277-1578-ND | TerminalBlock:TerminalBlock_Altech_AK300-3_P5.00mm | |
| L1 | 1 | 68 uH | Inductor_THT:L_Radial_D10.0mm_P5.00mm_Fastron_07P | ||
| L2 | 1 | 15 uH | Inductor_THT:L_Radial_D10.0mm_P5.00mm_Fastron_07P | ||
| Q1 | 1 | VP3203N3 | VP3203N3-G-ND | Package_TO_SOT_THT:TO-92 | |
| R1 | 1 | 1.3K | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R2 | 1 | 15K | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R3, R9 | 2 | 0.5 Ohm | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R4 | 1 | 180 | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R5 | 1 | 470 | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R6 | 1 | 10K | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R7 | 1 | 4.7K | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R8, R12 | 2 | 1K | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R10 | 1 | 13K | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R11 | 1 | 91K | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| R13, R14, R15, R16, R17, R18, R19, R20 | 8 | 1.5K | .25 watt | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | |
| SW1, SW2, SW3, SW4, SW5 | 5 | SW_SPDT | 2449-ANT11SF1CQE-ND | PromFootprints:ANT11SF1CQE | |
| SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18 | 8 | SW_Push_DPDT | 141-TL2202OAYA-ND | PromFootprints:TL2202OAYA | |
| SW20 | 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H5mm | ||
| SW21 | 1 | SW_DPDT | 2449-ANT21SECQE-ND | PromFootprints:ANT21SECQE | |
| U1 | 1 | LM555xN | 555 Timer DIP8 | Package_DIP:DIP-8_W7.62mm | |
| U2, U3 | 2 | MC34063AP | Package_DIP:DIP-8_W7.62mm | ||
| U4 | 1 | TC4429 | Package_DIP:DIP-8_W7.62mm | ||
| U1, U2, U3, U4 | 4 | DIP8 Sockets | (Optional) | ||
| PC Power Supply Cable | 1 | Ebay item - 112095154991 | |||
| Power Supply - 12v and 5v | 1 | PC or Arcade |
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