Digital review

1- Gate circuit overview

- Gate Overview

2- Diode AND OR gate circuit, and the disadvantages of the circuit

- Diode AND OR gate circuit

3-MOS tube

- basic structure
- working principle
- Switching characteristics
- Operating characteristic curve

3D view of MOS tube

4-CMOS Inverter

The structure and working principle of bilibili
CMOS inverter

P-channel enhancement type
N-channel enhancement type

P-channel depletion
N-channel depletion

3D view of a CMOS tube

Circuit structure and working principle of CMOS inverter
The Voltage and Current Transfer Characteristics of CMOS Inverter
Static input and output characteristics of CMOS inverter
Dynamic Characteristics of CMOS Inverter
The total power dissipation of the CMOS inverter
CMOS gates for other logic functions
CMOS gates with buffer stages
open drain gate
CMOS transmission gates and tri-state gates
CMOS transmission gate, tri-state gate, open circuit gate

5- bipolar triode

Field Effect Transistors and Bipolar Transistors

Input and output characteristics of bipolar transistors
Basic switching circuit of a bipolar transistor
Switching equivalent circuit of bipolar transistor, triode inverter

6-TTL Inverter

Circuit structure of TTL inverter
How a TTL Inverter Works
Some Problems in TTL Inverter and Input Noise Tolerance
Input and output characteristics of TTL inverter
Input Load Characteristics of TTL Inverter
Fan-Out Coefficient of TTL Inverter
Propagation Delay Time of TTL Inverter
AC Noise Margin of TTL Inverter
The dynamic peak current of the power supply
TTL gates for other logic functions

ext

Clarify the difference between TTL and CMOS
【What is TTL level and cmos level? What is the difference between ttl level and cmos level? 】

7-gate circuit

Gate circuit for open collector output
Tri-state output gate

8-Test

Experiment 1: Observation of the NAND gate voltage transfer characteristic curve
Experiment 2: Measurement of NAND gate transmission delay time

9- Combination logic circuit

Know what the function is? Know how to achieve the function?

Features of combinational logic circuits
Analytical Methods of Combinational Logic Circuits
Design Method of Combinational Logic Circuit
Several common combinational logic circuits: common encoder

10-encoder

priority encoder
Extension of Priority Encoder
Decimal Priority Encoder
decoder
Extension of Binary Decoder
display decoder
Display the role of the additional control terminal of the decoder
Design Combination Logic Circuit with Decoder

11 - selector

data selector
data allocator
Design combinational circuits with data selectors
adder
multi-bit adder
Design combinational circuits with adders

12- Comparator

Numerical Comparator
Race-Hazard Phenomena in Combinational Logic Circuits
Ways to Eliminate the Rivalry-Risking Phenomenon
Programmable devices and EDA1

13 - Trigger

The origin of the trigger
The relationship between gates and flip-flops
Basic RS Latch
Level-triggered SR flip-flop
Level-triggered D flip-flop 1
Level-triggered D flip-flop 2
Pulse-Triggered Flip-Flops – Master-Slave D Flip-Flops
Pulse-Triggered Flip-Flops – Master-Slave SR Flip-Flops
Pulse-Triggered Flip-Flops – Master-Slave JK Flip-Flops
Action characteristics of pulse trigger mode
edge-triggered flip-flop
The logic function of flip-flop and its description method - SR flip-flop
Logical functions of flip-flops and their description methods – JK flip-flops, T flip-flops,
Dynamic Characteristics of Flip-Flops 1
Dynamic Characteristics of Flip-Flops 3
Dynamic Characteristics of Flip-Flops 2

14-ary counter

Arbitrary base counter composition method
Composition method of arbitrary base counter - example (NM)
Composition method of arbitrary base counter – example (N<
Examples of counter applications

15-Sequential logic circuit design

Design Method of Sequential Logic Circuit
Design method of sequential logic circuit - example
Analysis of Dynamic Characteristics of Sequential Logic Circuits

16-Semiconductor memory

Introduction to Semiconductor Memory
Overview and Classification of Semiconductor Memory
The structure and working principle of ROM
Programmable ROM1
Programmable ROM2
The structure and working principle of RAM
Expansion of memory capacity - bit expansion
Expansion of memory capacity - word expansion
Implementation of combinational logic circuits with memory

17-Programmable logic device

Overview of Programmable Logic Devices
Programmable logic device-FPLAPALGAL
Programmable logic device-EPLDCPLDFPGA
Application of Programmable Logic Device-ISPGDS and PLD

18- Various triggers

Pulse Waveform Generation and Shaping Overview
Schmitt trigger
Integrated Schmitt trigger
Main Features and Applications of Schmitt Trigger
Integrating monostable flip-flop – structure and working principle
Integrating Monostable Flip-Flop – Calculation of Performance Parameters
Differential Monostable Flip-Flop – Structure and Principle of Operation
Differential Monostable Flip-Flop – Calculation of Performance Parameters
Integrated Monoflop
Multivibrator with Schmitt Trigger

19 - Oscillator

Symmetrical Multivibrator
ring oscillator
Quartz Crystal Multivibrator

20-pulse circuit

Analysis method of pulse circuit
Structure and Function of 555 Timer Circuit
Use 555 timer to connect as Schmitt trigger
Use 556 timer to connect as monostable trigger
Using a 557 timer to connect to a multivibrator

21-ADC

Overview of Digital-to-Analog and Analog-to-Digital Conversion
Weight resistor network DA converter
Inverted T-type resistor network DA converter
Resistor Network DA Converter with Bipolar Output
Conversion Accuracy and Speed of DA Converter
The basic principle of AD conversion
sample and hold circuit
Parallel comparison type AD converter
Feedback comparison type AD converter – counting type
Feedback comparison type AD converter-successive progressive type
Double integral type and VF type AD converter

Design and Functional Simulation

Overview, circuit design and functional simulation
Specified chip and timing simulation
Select peripherals (automation), lock pins and generate download files
Circuit extension design
Describe state machine circuit with Verilog

Catalog of basic knowledge of digital electricity