74LVT16543ADL

3.3V 16-bit registered transceiver; 3-state

The 74LVT16543A is a high-performance BiCMOS product designed for VCC operation at 3.3 V. The device can be used as two 8-bit transceivers or one 16-bit transceiver.

The 74LVT16543A contains two sets of eight D-type latches, with separate control pins for each set. Using data flow from A to B as an example, when the A-to-B enable (nEAB) input and the A-to-B latch enable (nLEAB) input are LOW, the A-to-B path is transparent.

A subsequent LOW-to-HIGH transition of the nLEAB signal puts the A data into the latches where it is stored and the B outputs no longer change with the A inputs. With nEAB and nOEAB both LOW, the 3-State B output buffers are active and display the data present at the outputs of the A latches.

Control of data flow from B to A is similar, but using the nEBA, nLEBA, and nOEBA inputs.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74LVT16543ADL 74LVT16543ADL,512 935182750512 SOT371-1 Order product
74LVT16543ADL 74LVT16543ADL,518 935182750518 SOT371-1 Order product
74LVT16543ADL 74LVT16543ADL,118 935182750118 SOT371-1 Order product
74LVT16543ADL 74LVT16543ADL,112 935182750112 SOT371-1 Order product

Features

  • 16-bit universal bus interface
  • 3-state buffers
  • Input and output interface capability to systems at 5 V supply
  • TTL input and output switching levels
  • Output capability: +64 mA/-32 mA
  • Bus-hold data inputs eliminate the need for external pull-up resistors to hold unused inputs
  • Live insertion/extraction permitted
  • Power-up 3-state
  • Power-up reset
  • No bus current loading when output is tied to 5 V bus
  • Latch-up protection:
    • JESD78B Class II exceeds 500 mA
  • ESD protection:
    • HBM: JESD22-A114F exceeds 2000 V
    • MM: JESD22-A115-A exceeds 200 V

Target applications

Parametrics

Type numberProduct statusVCC(A) (V)VCC(B) (V)Logic switching levelsOutput drive capabilitytpd (ns)No of bitsfmax (MHz)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Package name
74LVT16543ADLProduction2.7 - 3.6n.a.TTL-32/+642.216150medium-40~858424.0SSOP56

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
74LVT16543ADL74LVT16543ADL,512
( 9351 827 50512 )
ActiveLVT16543A
SSOP56
(SOT371-1)
SOT371-1SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE
Tube in Drypack
74LVT16543ADL,518
( 9351 827 50518 )
ActiveLVT16543AReel 13" Q1/T1 in Drypack

The variants in the table below are discontinued. See the table Discontinuation information for more information.

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
74LVT16543ADL74LVT16543ADL,118
( 9351 827 50118 )
Withdrawn / End-of-lifeLVT16543A
SSOP56
(SOT371-1)
SOT371-1SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1

Discontinuation information

Type numberOrderable part numberlabel.orderingCodeLast time buy dateLast time delivery dateReplacement productStatusComments
74LVT16543ADL74LVT16543ADL,118935182750118

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFEFRIFRMTBF (hour)MSLMSL leadfree
74LVT16543ADL74LVT16543ADL,51274LVT16543ADL70.81.337.52E812
74LVT16543ADL74LVT16543ADL,51874LVT16543ADL70.81.337.52E812

The variants in the table below are discontinued. See the table Discontinuation information for more information.

Type numberOrderable part numberChemical contentRoHS / RHFEFRIFRMTBF (hour)MSLMSL leadfree
74LVT16543ADL74LVT16543ADL,11874LVT16543ADL70.81.337.52E81NA
Quality and reliability disclaimer

Documentation (6)

File nameTitleTypeDate
74LVT16543A3.3 V 16-bit registered transceiver; 3-stateData sheet2018-10-01
lvt16543alvt16543a IBIS modelIBIS model2013-04-07
lvt16lvt16 Spice modelSPICE model2013-05-06
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SSOP-TSSOP-VSO-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
SOT371-1plastic, shrink small outline package; 56 leads; 0.635 mm pitch; 18.45 mm x 7.5 mm x 2.8 mm bodyOutline drawing2017-01-30

Support

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Models

File nameTitleTypeDate
lvt16543alvt16543a IBIS modelIBIS model2013-04-07
lvt16lvt16 Spice modelSPICE model2013-05-06

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
74LVT16543ADL74LVT16543ADL,512935182750512Tube in DrypackOrder product
74LVT16543ADL74LVT16543ADL,518935182750518Reel 13" Q1/T1 in DrypackOrder product
74LVT16543ADL74LVT16543ADL,118935182750118Reel 13" Q1/T1Order product
74LVT16543ADL74LVT16543ADL,112935182750112Bulk PackOrder product

Sample

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Sample orders normally take 2-4 days for delivery.

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