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Quantity Name SKU Each Total 8 Bit Magnitude Comparator 74F521 $1.49 $1.49 4 Bit Binary Full Adder 74F283 $0.59 $0.59 NPN Bi-Polar Darlington TIP122 $0.59 $0.59 Dual Decade Counter 74HCT390 $0.49 $0.49 Octal D Type Flip Flop 74HCT273 $0.49 $0.49 Quad 2 to 1 Multiplexer (Inverted Output) 74HCT158 $0.49 $0.49 Single/Double Density Controller (Inverted) 1791 $14.99 $14.99 RS232 Transceiver with .1µf Capacitors MAX202CPE $2.99 $2.99 8 Bit MPU with EPROM, 112 Bytes RAM, I/O 68705P3S $22.99 $22.99 8 Bit MPU with 8K of ROM, 24 I/O Lines 68HC705C8P $14.99 $14.99 Binary Up/Down Counter 4516 $0.49 $0.49 65,536 x 4 Dynamic RAM (120ns) 4464-120 $2.99 $2.99 BCD to 7 Segment Decoder/Driver (O.C.) 74C374 $3.49 $3.49 Quad 2 Input Multiplexer (Tri-State Output) 74LS257 $0.79 $0.79 Presettable Binary Counter/Latch 74LS197 $0.99 $0.99 BCD to 7 Seg. Decoder/Driver (O.C.- 15v) 74LS247 $1.79 $1.79

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