74ALVT16501DL

18-bit universal bus transceiver; 3-state


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The 74ALVT16501 is a high-performance Bipolar Complementary Metal Oxide Semiconductor (BiCMOS) product designed for VCC operation at 2.5 V and 3.3 V with I/O compatibility up to 5 V. This device is an 18-bit universal transceiver featuring non-inverting 3-state bus compatible outputs in both send and receive directions.

Data flow in each direction is controlled by output enable (OEAB and OEBA), latch enable (LEAB and LEBA), and clock (CPAB and CPBA) inputs.

For A-to-B data flow, the device operates in the transparent mode when LEAB is HIGH. When LEAB is LOW, the A-bus data is latched if CPAB is held at a HIGH or LOW level. If LEAB is LOW, the A-bus data is stored in the latch/flip-flop on the LOW-to-HIGH transition of CPAB. When OEAB is HIGH, the outputs are active. When OEAB is LOW, the outputs are in the high-impedance state.

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

Data flow for B-to-A is similar to that of A-to-B but uses OEBA, LEBA and CPBA. The output enables are complimentary (OEAB is active HIGH and OEBA is active LOW).

Features and benefits

  • 18-bit bidirectional bus interface
  • 5 V I/O compatible
  • 3-state buffers
  • Output capability: +64 mA to -32 mA
  • TTL and LVTTL input and output switching levels
  • Bus hold data inputs eliminate the need for external pull-up resistors to hold unused inputs
  • Live insertion and extraction permitted
  • Power-up reset
  • Power-up 3-state
  • No bus current loading when output is tied to 5 V bus
  • Positive-edge triggered clock inputs
  • Latch-up protection:
    • JESD78: exceeds 500 mA
  • ESD protection:
    • MIL STD 883, method 3015: exceeds 2000 V
    • Machine model: exceeds 400 V
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: 74ALVT16501DGG, 74ALVT16501DL, 74LVT16501ADGG, 74LVT16501ADL
Block diagram: 74ALVT16501DGG, 74ALVT16501DL, 74LVT16501ADGG, 74LVT16501ADL
Block diagram: 74ALVT16501DGG, 74ALVT16501DL
Block diagram: 74ALVT16501DGG, 74ALVT16501DL

Parametrics of this product

Type numberPackageNr of pinsPackage nameProduct statustpd(ns)VCC(V)FamilyNr of bitsPower dissipation considerationsLogic switching levelsOutput drive capabilityfmax(MHz)Description
74ALVT16501DLSOT371-1
(SSOP56)		56SSOP56Production1.82.3 - 3.6ALVT18mediumTTL-32/+6415018-bit universal bus transceiver with bus hold; positive edge trigger (3-state)

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
74ALVT16501DL74ALVT16501DL,5129352 194 30512Volume productionSOT371-1
(SSOP56) 		Tube Dry PackALVT16501
74ALVT16501DL74ALVT16501DL,5189352 194 30518Volume productionSOT371-1
(SSOP56) 		Reel Dry Pack, SMD, 13"ALVT16501

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
74ALVT16501DL74ALVT16501DL,1189352 194 30118Withdrawn
Replacement product		SOT371-1
(SSOP56) 		Reel Pack, SMD, 13"ALVT16501

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT371-1SSOP56plastic shrink small outline package; 56 leads; body width 7.5 mmMO-118 (JEDEC); 2003-02-18

Related documents

Reflow soldering

Wave soldering

Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
74ALVT16501DL935219430118DN

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
74ALVT16501DL74ALVT16501DL,51274ALVT16501DLweek 13, 20051.337.518796992481203E812
74ALVT16501DL74ALVT16501DL,51874ALVT16501DLweek 13, 20051.337.518796992481203E812

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
74ALVT16501DL74ALVT16501DL,11874ALVT16501DL1.337.518796992481203E81NA
Quality and reliability disclaimer

Quality and reliability disclaimer

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Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
74ALVT16501DL935219430118DN

Documentation for this product

File nameTitleTypeFormatDate
74ALVT1650118-bit universal bus transceiver; 3-stateData sheetpdf2005-08-08
AN203Test Fixtures for High Speed LogicApplication notepdf1998-04-02
AN240Interfacing 3 Volt and 5 Volt ApplicationsApplication notepdf1995-09-15
AN243LVT (Low Voltage Technology) and ALVT (Advanced LVT)Application notepdf1998-01-01
AN246Transmission Lines and Terminations with Philips Advanced Logic FamiliesApplication notepdf1998-02-01
AN223Ground and VCC Bounce of High-Speed Integrated CircuitsApplication notepdf2013-03-13
AN252Live Insertion Aspects of Philips Logic FamiliesApplication notepdf2013-03-13
AN212Package lead inductance considerations in high-speed applicationsApplication notepdf2013-03-13
AN10156Sorting through the low voltage logic mazeApplication notepdf2013-03-13
alvt16501alvt16501 IBIS modelIBIS modelibs2013-04-07
alvt16alvt16 Spice modelSPICE modelzip2013-05-07

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
74ALVT16501DL9352 194 3051274ALVT16501DL,512EUAVNET EXPRESS EUROPE9886/18/2013Buy onlinenot available
74ALVT16501DL9352 194 3051874ALVT16501DL,518      not available

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