Technology Labs
BEL-DIT: Digital IC Trainer
About Product
CPLD-based system that replicates logic ICs, counters, registers, arithmetic circuits, code converters & decoders. Optional manual clock, LED outputs, MUX/DEMUX, parity generator and 7-segment interface provide real-hardware digital design experience aligned with fundamental digital electronics curriculum.
Single board system capable of covering minimum 10 experiment.
Designed using a Lattice CPLD Chip LC4128ZE covering all the Digital IC's as mentioned in the specification.
IEEE Symbol of all components provided on the PCB.
Basic logic gate IC
NOT (IC-7404), OR (IC-7432), AND (IC-7408), NOR (IC-7402), NAND (IC-7400), EX-0R (IC-7486), EX-NOR(74266)
NAND and NOR gates as universal logic gates
De-Morgan's theorem I and II
Boolean equation
Half adder, full adder, half subtractor, full subtractor
Flip-Flops RS (using NOR), JK(7476), D (IC-7474), MS-JK , D (IC-7474) and T (using JK
Ripple counter (IC-7490)
Synchronous binary counter (IC-74191)
4-bits ring counter using (IC-7476)
Decade / BCD counter using IC-7490
Universal shift register IC-74194
9-bits parity generator / checker (IC-74280)
Multiplexer (IC-74153) and De-multiplexer (IC-74138)
BCD to seven segment decoder (IC-7447) and seven segment display
4-bits comparator (IC-7485)
Code Converter: Binary to Gray, Gray to Binary, Binary to BCD, BCD to Binary, BCD to Excess-3, Excess- 3 to BCD
16 Switches to provide logic 0 and 1 inputs with indication
16 LEDs to observe the output logic states
Manual clock, preset and clear to observe the counter operation
To verify the truth table and function of basic logic gates
To verify NAND and NOR gates as universal logic gates
To verify the De-Morgan's theorem I and II
To verify the Boolean equation
To study and verify working and truth table of half adder, full adder, half subtractor and full subtractor
Design of half adder and half subtractor using multiplexer and de-multiplexer
Study the behavior of basic flip-flops (RS, JK, MSJK, D , T)
To study and design ripple/ asynchronous counter using JK flip-flop
To study the synchronous binary counter using IC-74191
To design 4-bits ring counter using JK øip-øop
To verify decade / BCD counter using IC-7490
To study universal shift register using IC-74194
To study 9-bits parity generator / checker using IC-74280
To study multiplexer IC-74153 and de-multiplexer IC-74138
To study BCD to seven segment decoder IC-7447
To study 4- bits comparator IC-7485
• To study Binary to Gray, Gray to Binary, Binary to BCD, BCD to Binary, BCD to Excess-3, and Excess-3 to BCD converters
To study 4-bits binary adder
Study of TTL clock generation using NAND gate
Study of de-bounce circuit using NAND gate
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