Latch 锁存器
S-R Latch S-R锁存器
S, R 分别代表 SET, RESET.
A latch (锁存器) is a temporary storage device that has two stable states (called bistable)—SET state and RESET state.
The S-R (Set-Reset) latch is ...
Roadmap of textbook
Part 1. DC Circuits Chapters 1 to 8
Part 2. AC Circuits Chapters 9 to 14
Part 3. Advanced Circuit Analysis Chapter 19
Introduction
An electric circuit is an interconnection o...
反相器
与门,或门,与非门,或非门
The OR operation is equivalent to Boolean addition.
异或门,同或门
The XOR expression is equivalent to mod-2 addition.
真值表、逻辑表达式
Truth Table, Logic Expression.
固定功能的逻辑门
Fixed...
十进制数
二进制数
Binary/Decimal/Hexadecimal/Octal Number System A weighted number in which the weight of each digit is a power of 2/10/16/8.
Binary: with nnn bits, count up to 2n−12^n-12n−1.
The weigh...
Terminologies
homogeneity 齐次性。
Thevenin’s theorem, Norton’s theorem. 戴维宁定律 诺顿定律。
Kirchhoff’s laws are used to analyze a circuit without changing its original configuration, but tedious computation...
P186
Half and Full Adders (基本加法器,半加器和全加器)
Adders are important in digital systems in which numerical data are processed.
Half-Adder
Full-Adder
Logic Expression:
Cout=(A⊕B)Cin+ABC_{\mathrm{o...
Basic Combinational Logic Circuits
The features of combinational logic:
The output at current depends on the combination of inputs at current.
The circuit has neither storage nor feedback.
This ...