Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B....

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1 Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich

Transcript of Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B....

Page 1: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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TransistorGeometriesandCross-Sections

EE330Fall2017D.B.Estreich

Page 2: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

2

p-typesubstrate

n+

Cross-section:

Surfaceview:

ICBipolarJunctionTransistorCross-SectionwithBuriedLayer&Isolation

Page 3: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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AnAssortmentofIntegratedCircuitBipolarJunctionTransistorLayouts

C

EB

Page 4: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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AdditionalIntegratedCircuitBipolarJunctionTransistorLayouts

Page 5: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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DiscreteBipolarJunctionTransistorCross-SectionofStructure

n+waferforlowcollectorresistance

Isolationisachievedbychipseparationonwafer

C

n-typeepitaxiallayer

p-typediffusedbaselayer

Page 6: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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Photomicrographofthe2N1613–1st PlanarBJTsoldcommercially.

TO-18transistorpackage

DiscreteBipolarJunctionTransistorLayouts

Page 7: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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2N3055PowerBJT

DiscretePowerBJTonaTO-3Header(Notecopperconnectionstochip)

StillanotherBJTgeometry

Page 8: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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PhotomicrographoftheFI 100,oneofthefirstMOStransistorssoldcommercially.

DiscreteMOSField-EffectTransistor

S D

G

Page 9: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

ArrayoffourNANDgateshttps://en.wikipedia.org/wiki/NAND_gate

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LayoutoffourNANDGatesonaSingleICDie(TTLLogic)

Page 10: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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CMOSInverterGate– CircuitSchematicandPhysicalLayout

Page 11: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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CMOSCross-SectionalViewShowingNMOSandPMOSTransistors

Page 12: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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CMOSNANDGateCircuitSchematicandLayout

A

A

B

B

Y

Y

Page 13: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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741OpAmpICLayoutBacktoBJTDevices:

Page 14: Transistor geometries (Read-Only) · Transistor Geometries and Cross-Sections EE330 Fall 2017 D.B. Estreich. 2 p-type substrate n+ ... 741 Op Amp IC Circuit Schematic Diagram. Drain

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741OpAmpICCircuitSchematicDiagram


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