Integrated Circuits

27C4002 integrated circuit.  We use these on IGT slot machines model s-2000 on up.  Main game program chip, "Stepper Base".  Also used...

The eproms are used in many arcade games.  Here we use them mostly on slot machines.  IGT model S-2000 "Stepper Game" chip.

6821 integrated circuit, PIA - "peripheral interface adapter".  These are used in pinball machines going all the way back to 1978.  Very...

CD4050 IC CMOS Hex Non Inverting Buffer and Converter. 

Price is for 1 each.  HEF4556B Dual 1 of 4 Decoder/Demultiplexer integrated circuit.

IC 555, 8 pin DIP (Dual Inline Package), timer  

IC 556, 14 pin DIP (Dual Inline Package), dual timer.  

IC 62256LP-CMOS SRAM 256K-Bit (32Kx8) 70ns Low Power.  Common failure on Bally/IGT/Williams slot machines, other arcade video games.

IC 6264LP-10 CMOS SRAM 64K-Bit (8Kx8) 100ns Low Power.  Used on pinball cpu boards.  

IC 6802 Microprocessor, 8 bit, 1 mhz.  Used on Williams, Bally, Data East CPU boards.  Yes, it's old.  MC6802

IC CD4543  CMOS, BCD TO SEVEN SEGMENT DECODER/DRIVER.  Commonly used on early Bally/Stern displays.  See pictures below.

IC W27C512-45Z.  Electrically Erasable Programmable Read Only Memory.  512Kb - 64kx8.  28 pin dual inline package, through...

LM339 IC, Quad Comparator, Single Supply Operation 3.0 to 36 volts.  

Price is for 1 each.  SFH6106-3 - Optocoupler, Photo-transistor Output.

Price is for 1 each. UC3842 Current Mode PWM Oscillator. This is used in many switching power supplies.  Also used in CRT monitor power supply...

Price is for 1 each. UC3843 Current Mode PWM Oscillator. This is used in many switching power supplies. Also used in CRT monitor power supply...

ULN2003 IC, Seven NPN Transistor Array, 500 mA, 50 V output.  

ULN2803  IC Chip, Switch Matrix Driver.  Replaces Williams 5162-12422-00.