SYEN 3330 Digital Systems Chapter 4 Part 2

SYEN 3330 Digital Systems Chapter 4 – Part 2 SYEN 3330 Digital Systems Jung H. Kim 1

Overview of Chapter 4 – Part 2 • Programmable Logic Technologies • • • Introduction Read-Only Memory Programmable Logic Array Programmable Array Logic VLSI Programmable Logic SYEN 3330 Digital Systems 2

Programmable Logic SYEN 3330 Digital Systems 3

Programmable Part Types SYEN 3330 Digital Systems 4

Programming Devices SYEN 3330 Digital Systems 5

Read Only Memory SYEN 3330 Digital Systems 6

Read Only Memories (Continued) A B C A 2 A 1 A 0 D 7 D 6 D 5 D 4 D 3 D 2 D 1 D 0 F 0 SYEN 3330 Digital Systems F 1 F 2 F 3 7

Read Only Memories (Continued) SYEN 3330 Digital Systems 8

Programmable Array Logic (PAL) SYEN 3330 Digital Systems 9

Programmable Array Logic (Cont. ) In 1 Out 1 In 2 "0" Out 2 In 3 "0" Out 3 In 4 SYEN 3330 Digital Systems "0" 10

Programmable Array Logic (Cont. ) In 1 Out 1 In 2 "0" Out 2 In 3 "0" Out 3 In 4 SYEN 3330 Digital Systems "0" 11

Programmable Array Logic (Cont. ) In 1 Out 1 In 2 "0" Out 2 In 3 "0" Out 3 In 4 SYEN 3330 Digital Systems "0" 12

Programmable Logic Array (PLA) SYEN 3330 Digital Systems 13

PLA Implementation SYEN 3330 Digital Systems 14

PLA Implementation (Continued) SYEN 3330 Digital Systems 15

Summary of Programmable Logic SYEN 3330 Digital Systems 16

ROM, PAL, PLA Examples SYEN 3330 Digital Systems 17

ROM, PAL, PLA Implementations SYEN 3330 Digital Systems 18

ROM Implementation SYEN 3330 Digital Systems 19

ROM Implementation (Continued) SYEN 3330 Digital Systems 20

PAL Implementation SYEN 3330 Digital Systems 21

PAL Implementation (Continued) SYEN 3330 Digital Systems 22

PLA Implementation SYEN 3330 Digital Systems 23

PLA Implementation (Continued) SYEN 3330 Digital Systems 24