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Unformatted text preview: HW 8
Refer to the following circuit whenever applicable:
g5 g1 g7 g 12
g10 F1 F2 C g3 g6
g11 g8 g2 D g4 g9 Fig. 1. Circuit for HW7 G1 G2 G3 G4 To A To B To C To D Fig. 2 The test generator From F1 From F2 S1 S2 S3 Fig. 3 The data compressor 1. A test point (output F1 ) has been added to the circuit of HW6 (see Fig. 1). In HW6 Pb. 4 we have tried to detect the fault g 7 / 1 using an LFSR. In this problem, we are trying to detect the same fault using the MISR of Fig. 3. The MISR starts with a zero initial seed. We are using the same generator, and the same pattern set as in HW6 Pb.
4. Is this fault detected by this scheme? Explain your findings. 2. Determine the linear dependency equation on output G4 of the LFSR of Fig. 2. 3. Determine the linear dependency equation on output G3 of the LFSR of Fig. 2. Is it different from the one you computed in Pb. 2? Explain your findings.
4. Consider the generator: 1 G1 G2 Out G3 G4 Fig. 4. Generator for Pb. 4 Compute the linear dependency equation on the output “out”. 5. Using deductive simulation, compute all the single stuck-at faults detected by ABCD=1001. 2 ...
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This note was uploaded on 02/18/2010 for the course ECET 354 taught by Professor Sa during the Spring '07 term at NJIT.
- Spring '07