14:332:366 Digital Electronics

Course catalog description: Principles of digital electronics, implementation of logic gates with MOSFETs and BJTs. Understanding and analysis of different logic families including NMOS CMOS, TTL and ECL. Fundamentals of digital memory circuits.

Credits and contact hours: 3 credits; 1 hour and 20-minitue session, twice a week, every week.

Pre-Requisite courses: 14:332:361; 14:332:363

Co-Requisite courses: 14:332:368

Topics Covered:

  • Digital IC general review. Design sequence. Review of RC circuits, Diodes, PN junction dynamics, Bipolar Junction Transistor, static characteristics, dynamic switching model
  • MOSFET device, basic equations, models for FETs switching speed
  • NMOS inverter, resistive load
  • NMOS inverter with active load, static performance, inverter switching
  • CMOS structure, VTC, noise margin and power dissipation
  • CMOS switching speed, cascaded buffer. IC family classification, introduction of saturated bipolar logic and un-saturated bipolar logic
  • Logic gates using RTL, DTL, TTL circuits, VTC, noise margin, power dissipation
  • Logic gates using ECL circuits. Performance comparison of CMOS and bipolar logic circuits 
  • Design logic gates with CMOS, transistor sizing, TTL, ECL logic function gates Regenerative logic circuits. Basic bi-stable circuit, SR latch
  • JK flip-flop, D flip-flop, CMOS flip-flop circuits, CMOS stable circuit
  • Semiconductor memories, classification, ROM, SRAM, DRAM
  • EPROM, EEPROM, FLASH, sense amplifier, row decoder, column decoder
  • Advanced logic circuits, BiCMOS circuits

Textbook: Joeger and Blalock, Microelectronic Circuit Design, McGraw Hill.

Other supplemental material: class notes.