74HC253-Q100; 74HCT253-Q100

Dual 4-input multiplexer; 3-state

The 74HC253-Q100; 74HCT253-Q100 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL).

The 74HC253-Q100; 74HCT253-Q100 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-Q100 and 74HCT253-Q100 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 • S1S0 + 1I1 • S1 • S0 + 1I2 • S1 • S0 + 1I3 • S1 • S0)

2Y = 2OE • (2I0 • S1S0 + 2I1 • S1 • S0 + 2I2 • S1 • S0 + 2I3 • S1 • S0)

This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.

Features and benefits

  • Automotive product qualification in accordance with AEC-Q100 (Grade 1)
    • Specified from -40 °C to +85 °C and from -40 °C to +125 °C
  • 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-Q100: CMOS level
    • For 74HCT253-Q100: TTL level
  • ESD protection:
    • MIL-STD-883, method 3015 exceeds 2000 V
    • HBM JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 Ω)


  • Data selectors
  • Data multiplexers


Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC253D-Q100Production2.0 - 6.0CMOS± 7.817low-40~125783.236SO16
74HCT253D-Q100Production4.5 - 5.5TTL± 617low-40~125783.236SO16


Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
Reel 13" Q1/T1Active74HC253D74HC253D-Q100,118
( 9352 988 18118 )
Reel 13" Q1/T1Active74HCT253D74HCT253D-Q100,118
( 9352 988 19118 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
74HC253D-Q10074HC253D-Q100,11874HC253D-Q100Always Pb-free39.61.57.62E411
74HCT253D-Q10074HCT253D-Q100,11874HCT253D-Q100Always Pb-free39.61.57.62E411
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
74HC_HCT253_Q100Dual 4-input multiplexer; 3-stateData sheet2017-03-30
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
hchc Spice modelSPICE model2013-05-06
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
SOT109-1plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm bodyPackage information2021-01-06
SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08


If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.


File nameTitleTypeDate
hchc Spice modelSPICE model2013-05-06

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