74HCT253D

Dual 4-input multiplexer; 3-state


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The 74HC253; 74HCT253 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL).

The 74HC253; 74HCT253 provides a dual 4-input multiplexer with 3-state outputs which selects 2 bits of data from up to four sources selected by common data select inputs (S0, S1). The two 4-input multiplexer circuits have individual active LOW output enable inputs (1OE, 2OE).

The 74HC253 and 74HCT253 are the logic implementation of a 2-pole, 4-position switch, where the position of the switch is determined by the logic levels applied to S0 and S1. The outputs are forced to a high-impedance OFF-state when nOE is HIGH.

The logic equations for the outputs are:

1Y = 1OE • (1I0 • S1 • S0 + 1I1 • S1 • S0 + 1I2 • S1 • S0 + 1I3 • S1 • S0)

2Y = 2OE • (2I0 • S1 • S0 + 2I1 • S1 • S0 + 2I2 • S1 • S0 + 2I3 • S1 • S0)

Features and benefits

  • Non-inverting data path
  • 3-state outputs interface directly with system bus
  • Complies with JEDEC standard no. 7A
  • Common select inputs
  • Separate output enable inputs
  • Input levels:
    • For 74HC253: CMOS level
    • For 74HCT253: TTL level
  • ESD protection:
    • HBM JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Multiple package options
  • Specified from –40 ℃ to +85 ℃ and from –40 ℃ to +125 ℃

Applications

  • Data selectors
  • Data multiplexers
All information on this product information page is subject to the subsequent disclaimers:
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Parametric search

Parametrics of this product

Type numberPackageNr of pinsPackage nameProduct statustpd(ns)VCC(V)FamilyPower dissipation considerationsLogic switching levelsOutput drive capability(mA)DescriptionTamb(Cel)
74HCT253DSOT109-1
(SO16)		16SO16Production174.5 - 5.5HC(T)lowTTL+/- 6dual 4-input multiplexer; TTL enabled (3-State)-40~125

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
74HCT253D74HCT253D,6529337 138 70652Volume productionSOT109-1
(SO16) 		Bulk Pack, CECC74HCT253D
74HCT253D74HCT253D,6539337 138 70653Volume productionSOT109-1
(SO16) 		Reel Pack, SMD, 13", CECC74HCT253D

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT109-1SO16plastic small outline package; 16 leads; body width 3.9 mmMS-012 (JEDEC); 076E07 (IEC); 2003-02-19

Related documents

Reflow soldering

Selection guide

Wave soldering

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
74HCT253D74HCT253D,65274HCT253Dweek 6, 20046.621.5105740181268883E811
74HCT253D74HCT253D,65374HCT253Dweek 6, 20046.621.5105740181268883E811
Quality and reliability disclaimer

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Documentation for this product

File nameTitleTypeFormatDate
74HC_HCT253Dual 4-input multiplexer; 3-stateData sheetpdf2010-04-22
AN11044Pin FMEA 74HC/74HCT familyApplication notepdf2011-03-16
AN252Live Insertion Aspects of Philips Logic FamiliesApplication notepdf2013-03-13
hchc Spice modelSPICE modelzip2013-05-07
HCT_USER_GUIDEHC/T User GuideUser manualpdf1997-11-01

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
74HCT253D9337 138 7065274HCT253D,652NAMOUSER ELECTRONICS2,8655/21/2013Buy onlinenot available
   NAAVNET EXPRESS AMERICAS9295/21/2013Buy online 
   EUARROW EUROPE8005/21/2013Buy online 
   NAARROW ELECTRONICS5005/21/2013Buy online 
   JAPANCHIP ONE STOP10005/21/2013Buy online 
74HCT253D9337 138 7065374HCT253D,653NAMOUSER ELECTRONICS4,3985/21/2013Buy onlinenot available
   NAAVNET EXPRESS AMERICAS1955/21/2013Buy online 

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