TTL: Transistor Transistor Logic

Electrònica Digital Introducció a les famílies lògiques 1

TTL: Transistor Transistor LogicLS Low power Schottky TTL Motorola(DL121)ALS Advanced Low power Schottky TTL Texas Instruments (SDAD001B)ABT Advanced Bi-CMOS Philips Semiconductor (IC23)FAST Advanced Schottky TTL Motorola (DL121)

CMOS: Complementary Metal-Oxide-SemiconductorMG Metal Gate CMOS 14000 Series Motorola (DL131)HC High–Speed Silicon Gate CMOS Motorola (DL129)FACT Advanced CMOS Motorola (DL138)LCX Low–Voltage CMOS Motorola (BR1339)LVC Low–Voltage CMOS Philips (IC24)

ECL: Emmiter Coupled Logic10KH 10KH Series ECL Motorola (DL122)100K 100K Series ECL National (F100K)ECLinPS Advanced ECL Motorola (DL140)E–Lite Advanced ECL Motorola (ECLinPS Lite) (DL140)


Logic Families

TTL/ABT CMOS ECL

Typical CommercialParameters(0° to 70°C)

LS ALS ABT FAST MG HC FACT LVC LCX 10KH 100K ECLinPS3 E–Lite

Speed

OR Gate Prop Delay ( tPLH ) ns 9 7 2.7 3 25 8 5 3.3 3.5 1 0.75 0.33 0.22

D Flip–Flop Toggle Rate MHz 33 45 200 125 4 45 160 200 200 330 400 1000 2800

Output Edge Rate ns 6 3 3 2 100 4 2 3.7 3.6 1 0.70 0.50 0.25

Power Consumption (Per Gate)

Quiescent mW 5 1.2 0.005 12.5 0.0006 0.003 0.003 1E–04 1E–04 25 50 25 73

Operating (1MHz) mW 5 1.2 1.0 12.5 0.04 0.6 0.8 0.6 0.3 25 50 25 73

Supply Voltage V +4.5to 5.5

+4.5 to5.5

+4.5 to5.5

+4.5 to5.5

+3to 18

+2to 6

+2to 6

+1.2to 3.6

+2to 3.6

–4.5to–5.5

–4.2to–4.8

–4.2to–5.5

–4.5to–5.5

Output Drive mA 8 8 32/64 20 1 4 24 24 24 50ΩLoad

50ΩLoad

50ΩLoad

50ΩLoad

5V Tolerant InputInput/Output

DC Noise Margin

High Input % 22 22 22 22 30 30 30 30 30 28 41 28/41 33

Low Input % 10 10 10 10 30 30 30 30 30 31 31 31/31 33

Functional Device Types 190 210 50 110 125 103 80 35 27 64 44 48 40

Relative 1–25 Price/Gate 0.9 1 1.6 1 0.9 0.9 1.4 1.8 1.8 2 10 25 32

Comparació de les Famílies Lògiques



NOT

NOR

NAND BUFFER

A

C

B

A’·B’

A+B+C

C’



Encapsulats de Circuits Integrats (Packages)

DIP (Dual In-line Package) SO (Small Outline)

LCC (Leadless Chip Carrier)


FUNCIONS LÒGIQUES IMPLEMENTADES EN CIRCUIT INTEGRAT

PORTES LÓGIQUESInversors Schmitt TriggersAND NAND OR NOR AND-OR-INVERTExclusive OR Exclusive NOR

FLIP-FLOPS Flip-Flops D, JK (SSI)Flip-Flops D/Registres (MSI)

BLOCS FUNCIONALSCOMBINACIONALS

MultiplexorsDecodificadors/DemultiplexorsOperadors AritmèticsComparadorsGeneradors de ParitatCodificadors

BLOCS FUNCIONALSSEQÜENCIALS

LatchesRegistres de DesplaçamentComptadors AsíncronsComptadors Sincrons

ALTRES FUNCIONSControladors de VisualitzadorsMultivibradors MonoestablesBuffers/Line DriversTransceivers


Evolució de les famílies lògiques (PHILIPS)


Evolució de les famílies lògiques (TEXAS INSTRUMENTS)


Prestacions de les famílies lògiques (T I)


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Examples: Blank – Transistor-Transistor LogicABT – Advanced BiCMOS TechnologyABTE – Advanced BiCMOS Technology/

Enhanced Transceiver LogicAC/ACT – Advanced CMOS LogicAHC/AHCT – Advanced High-Speed CMOS LogicALB – Advanced Low-Voltage BiCMOSALS – Advanced Low-Power Schottky LogicALVC – Advanced Low-Voltage CMOS TechnologyAS – Advanced Schottky LogicAVC – Advanced Very Low-Voltage CMOS LogicBCT – BiCMOS Bus-Interface TechnologyCBT – Crossbar TechnologyCBTLV – Low-Voltage Crossbar TechnologyF – F LogicFB – Backplane Transceiver Logic/Futurebus+GTL – Gunning Transceiver LogicHC/HCT – High-Speed CMOS LogicHSTL – High-Speed Transceiver LogicLS – Low-Power Schottky LogicLV – Low-Voltage CMOS TechnologyLVC – Low-Voltage CMOS TechnologyLVT – Low-Voltage BiCMOS TechnologyS – Schottky LogicSSTL – Stub Series-Terminated LogicTVC – Translation Voltage Clamp Logic

Examples: Blank = No Special FeaturesD – Level-Shifting Diode (CBTD)H – Bus Hold (ALVCH)R – Damping Resistor on Inputs/Outputs (LVCR)S – Schottky Clamping Diode (CBTS)

Examples: Blank = Gates, MSI, and Octals1G – Single Gate8 – Octal IEEE 1149.1 (JTAG)16 – Widebus (16, 18, and 20 bit)18 – Widebus IEEE 1149.1 (JTAG)32 – Widebus+ (32 and 36 bit)

Examples: Blank = No Options2 – Series-Damping Resistor on Outputs4 – Level Shifter25 – 25-Ω Line Driver

Examples: 244 – Noninverting Buffer/Driver374 – D-Type Flip-Flop573 – D-Type Transparent Latch640 – Inverting Transceiver

Examples: Blank = No RevisionLetter Designator A–Z

Examples: D, DW – Small-Outline Integrated Circuit (SOIC)DB, DL – Shrink Small-Outline Package (SSOP)DBB, DGV – Thin Very Small-Outline Package (TVSOP)DBQ – Quarter-Size Outline Package (QSOP)DBV, DCK – Small-Outline Transistor Package (SOT)DGG, PW – Thin Shrink Small-Outline Package (TSSOP)FN – Plastic Leaded Chip Carrier (PLCC)GKE, GKF – MicroStar BGA Low-Profile Fine-Pitch

Ball Grid Array (LFBGA)N, NP, NT – Plastic Dual-In-Line Package (PDIP)NS, PS – Small-Outline Package (SOP)PAG, PAH, PCA, PCB, PM, PN, PZ –

Thin Quad Flatpack (TQFP)PH, PQ, RC – Quad Flatpack (QFP)

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Examples:Existing Nomenclature – SN74LVTxxxDBLENew Nomenclature – SN74LVTxxxADBR

Example: SNJ – Conforms to MIL-PRF-38535 (QML)

Examples: 54 – Military74 – Commercial

Devices in the DB and PW package types include the R designationfor reeled product. Existing product inventory designated LE mayremain, but all products are being converted to the R designation.

There is no functional difference between LE and R designatedproducts, with respect to the carrier tape, cover tape, or reels used.

LE – Left Embossed (valid for DB and PW packages only)R – Standard (valid for all surface-mount packages)

† See Appendix A for information on logic products formerly offered by Harris Semiconductor.

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TTL: Transistor Transistor Logic