Discussion
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- Question
A(n) ________ consists of a programmable array of AND gates that connects to a fixed array of OR gates and is usually OTP.
Options- A. GAL
- B. CPLD
- C. PAL
- D. SPLD
- Correct Answer
- PAL
- 1. What does the Altera FLEX10K PLD use in place of AND and OR arrays?
Options- A. Nothing, it uses AND and OR arrays.
- B. Look-up tables
- C. SRAM-based memory
- D. HPLD architecture Discuss
- 2. What gives a GAL its flexibility?
Options- A. Its speed
- B. Its reprogrammable EPROM
- C. Its large logic arrays
- D. Its programmable OLMCs Discuss
- 3. Why have PLDs taken over so much of the market?
Options- A. One PLD does the work of many ICs.
- B. The PLDs are cheaper.
- C. Less power is required.
- D. All of the above Discuss
- 4. The difference between a PLA and a PAL is:
Options- A. The PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane.
- B. The PAL has a programmable OR plane and a programmable AND plane, while the PLA only has a programmable AND plane.
- C. The PAL has more possible product terms than the PLA.
- D. PALs and PLAs are the same thing. Discuss
- 5. A PAL16L8 has:
Options- A. 10 inputs and 8 outputs.
- B. 8 inputs and 8 outputs.
- C. 16 inputs and 16 outputs.
- D. 16 inputs and 8 outputs. Discuss
- 6. An SPLD listed as 22V10 has ________.
Options- A. 10 inputs, 10 outputs, and requires a 22 V power source
- B. 11 inputs, 11 outputs, and requires a 10 V power source
- C. 22 inputs and 10 outputs
- D. 10 inputs and 22 outputs Discuss
- 7. In an OLMC, where does the FMUX signal go?
Options- A. OMUX
- B. D flip-flop
- C. Matrix
- D. PAL Discuss
- 8. How many combinations are handled in an LUT?
Options- A. 4
- B. 8
- C. 16
- D. 32 Discuss
- 9. CLB is the acronym for ________.
Options- A. Configurable Logic Block
- B. Configurable Logic Buffer
- C. Critical Logic Buffer
- D. Constant Logic Buffer Discuss
- 10. What can the GAL22V10 do that the GAL16V8 cannot?
Options- A. It has an extra-large array.
- B. It is in-system programmable.
- C. It has twice the special function pins.
- D. All of the above Discuss
Programmable Logic Device problems
Search Results
Correct Answer: Look-up tables
Correct Answer: Its programmable OLMCs
Correct Answer: All of the above
Correct Answer: The PLA has a programmable OR plane and a programmable AND plane, while the PAL only has a programmable AND plane.
Correct Answer: 10 inputs and 8 outputs.
Correct Answer: 22 inputs and 10 outputs
Correct Answer: Matrix
Correct Answer: 16
Correct Answer: Configurable Logic Block
Correct Answer: It is in-system programmable.
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