The MOS Transistor

1
The MOS Transistor
2
Cross-Section of CMOS Technology
3
MOS transistors Types and Symbols
D
D
G
G
S
S
Depletion
NMOS
Enhancement
NMOS
D
D
G
G
B
S
S
NMOS with
PMOS
Enhancement
Bulk Contact
4
Threshold Voltage Concept
5
Current-Voltage Relations
6
Current-Voltage Relations
7
Transistor in Saturation
8
I-V Relation
9
A model for manual analysis
10
The Sub-Micron MOS Transistor
11
Threshold Variations
VT
VDS
12
Parasitic Resistances
13
Velocity Saturation (1)
14
Velocity Saturation (2)
15
Sub-Threshold Conduction
16
Latchup
17
SPICE MODELS
18
MAIN MOS SPICE PARAMETERS
19
SPICE Transistors Parameters
20
SPICE Parameters for Parasitics
21
Technology Evolution
22
The CMOS Inverter A First Glance
23
VTC of Real Inverter
24
Dynamic Behavior of MOS Transistor
25
Delay Definitions
26
CMOS Inverters
1.2
m
m
2l
Out
In
GND
27
Using Cascaded Buffers
28
COMBINATIONAL LOGIC
29
Static CMOS
30
Example Gate NAND
31
4-input NAND Gate
Vdd
Out
GND
In1
In2
In3
In4
32
Where Does Power Go in CMOS?
33
SEQUENTIAL LOGIC
34
Master-Slave Flip-Flop
35
The Ellmore Delay
36
The Clock Skew Problem