74LVT574D

3.3 V octal D-type flip-flop; 3-state


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The 74LVT574; 74LVTH574 is a high-performance product designed for VCC operation at 3.3 V.

This device is an 8-bit, edge triggered register coupled to eight 3-state output buffers. The two sections of the device are controlled independently by the clock (pin CP) and output enable (pin OE) control gates. The state of each Dn input (one setup time before the LOW-to-HIGH clock transition) is transferred to the corresponding flip-flops Qn output.

The 3-state output buffers are designed to drive heavily loaded 3-state buses, MOS memories, or MOS microprocessors.

The active LOW output enable (pin OE) controls all eight 3-state buffers independent of the clock operation.

When pin OE is LOW, the stored data appears at the outputs. When pin OE is HIGH, the outputs are in the high-impedance OFF-state, which means they will neither drive nor load the bus.

Features and benefits

  • Inputs and outputs arranged for easy interfacing to microprocessors
  • 3-state outputs for bus interfacing
  • Common output enable control
  • TTL input and output switching levels
  • Input and output interface capability to systems at 5 V supply
  • Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
  • Live insertion and extraction permitted
  • No bus current loading when output is tied to 5 V bus
  • Power-up reset
  • Power-up 3-state
  • Latch-up protection
    • JESD78 class II exceeds 500 mA
  • ESD protection:
    • HBM JESD22-A114E exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Specified from -40 °C to +85 °C
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: 74LVT574BQ, 74LVT574D, 74LVT574DB, 74LVT574PW, 74LVTH574D, 74LVTH574DB, 74LVTH574PW
Block diagram: 74LVT574BQ, 74LVT574D, 74LVT574DB, 74LVT574PW, 74LVTH574D, 74LVTH574DB, 74LVTH574PW
Block diagram: 74LVT574BQ, 74LVT574D, 74LVT574DB, 74LVT574PW, 74LVTH574D, 74LVTH574DB, 74LVTH574PW
Block diagram: 74LVT574BQ, 74LVT574D, 74LVT574DB, 74LVT574PW, 74LVTH574D, 74LVTH574DB, 74LVTH574PW
Block diagram: 74LVT574BQ, 74LVT574D, 74LVT574DB, 74LVT574PW, 74LVTH574D, 74LVTH574DB, 74LVTH574PW
Block diagram: 74LVT574BQ, 74LVT574D, 74LVT574DB, 74LVT574PW, 74LVTH574D, 74LVTH574DB, 74LVTH574PW

Parametrics of this product

Type numberPackageNr of pinsPackage nameProduct statustpd(ns)VCC(V)FamilyPower dissipation considerationsLogic switching levelsOutput drive capability(mA)fmax(MHz)DescriptionTamb(Cel)
74LVT574DSOT163-1
(SO20)		20SO20Production4.32.7 - 3.6LVTmediumTTL-32/+64150octal D-type flip-flop; positive-edge trigger (3-state)-40~85

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
74LVT574D74LVT574D,1129351 707 20112Volume productionSOT163-1
(SO20) 		Tube74LVT574D
74LVT574D74LVT574D,1189351 707 20118Volume productionSOT163-1
(SO20) 		Tape reel smd74LVT574D

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT163-1SO20plastic small outline package; 20 leads; body width 7.5 mmMS-013 (JEDEC); 075E04 (IEC); 2003-02-19

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
74LVT574D74LVT574D,11274LVT574Dweek 4, 20041.337.518796992481203E811
74LVT574D74LVT574D,11874LVT574Dweek 4, 20041.337.518796992481203E811
Quality and reliability disclaimer

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Documentation for this product

File nameTitleTypeFormatDate
74LVT_LVTH5743.3 V octal D-type flip-flop; 3-stateData sheetpdf2011-12-15
AN203Test Fixtures for High Speed LogicApplication notepdf1998-04-02
AN243LVT (Low Voltage Technology) and ALVT (Advanced LVT)Application notepdf1998-01-01
AN246Transmission Lines and Terminations with Philips Advanced Logic FamiliesApplication notepdf1998-02-01
an2022The Behavior Of Integrated Bus Hold CircuitsApplication notepdf1996-03-01
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
lvt574lvt574 IBIS modelIBIS modelibs2013-04-07
lvtlvt Spice modelSPICE modelzip2013-05-07

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
74LVT574D9351 707 2011274LVT574D,112NAAVNET EXPRESS AMERICAS4,3105/20/2013Buy onlinenot available
   NAMOUSER ELECTRONICS2,9905/18/2013Buy online 
74LVT574D9351 707 2011874LVT574D,118ASIAWPI2,000200005/20/2013Buy onlinenot available

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