EPROM Programmer Parts List

U1 - 74LS374
U2 - 74LS245
U3 - 74LS374
U4 - Device Selector
U5 - 4049
U6 - 7407
U7 - LM723

R1 -
R2 - 47K
R3 - 10K
R4 - 10K
R5 - 5K Trimpot
R6 - 4.7K
R7 - 10.0 K 1%
R8 - 2.80 K 1%
R9 - 100
R10 - 10K
R11 - 10K
R12 - 10K
R13 - 10K
R14 - 4.7K
R15 - 10K
R16 - 10K
R17 - 10K
R18 - 10K
R19 - 4.7K
R20 - 5K Trimpot
R21 - 2.0 K
R22 - 2.0 K

D1 - 1N4002
D2 - 1N4002
D3 - 1N4148

C1 - 100 uF 50V
C2 - 100 uF 50V
C3 - 4.7 uF 50V
C4 - 470 pF
C5 - 220 uF 10V
All other Cs .01 uF

Q1 - 2N2222 - plastic
Q2 - 2N3906 - plastic
Q3 - 2N3906 - plastic

Z1 - 1N4746A 18 V 1W Zener
Z2 - 1N4746A 18 V 1W Zener