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74HC257-Q100; 74HCT257-Q100

Quad 2-input multiplexer; 3-state

The 74HC257-Q100; 74HCT257-Q100 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. It enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

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

  • Wide supply voltage range from 2.0 V to 6.0 V

  • CMOS low power dissipation

  • High noise immunity

  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

  • Complies with JEDEC standards:

    • JESD8C (2.7 V to 3.6 V)
    • JESD7A (2.0 V to 6.0 V)

  • Non-inverting data path

  • 3-state outputs interface directly with system bus

  • Input levels:

    • For 74HC257-Q100: CMOS level

    • For 74HCT257-Q100: TTL level

  • ESD protection:

    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

Parametrics

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
74HC257D-Q100Production2.0 - 6.0CMOS± 7.811low-40~125929.652SO16
74HC257PW-Q100Production2.0 - 6.0CMOS± 7.811low-40~1251254.554.6TSSOP16
74HCT257D-Q100Production4.5 - 5.5TTL± 613low-40~125929.652SO16
74HCT257PW-Q100Production4.5 - 5.5TTL± 613low-40~1251254.554.6TSSOP16

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74HC257D-Q100
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_118Active74HC257D74HC257D-Q100J
( 9353 070 57118 )
74HC257PW-Q100
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHC25774HC257PW-Q100J
( 9353 070 58118 )
74HCT257D-Q100
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_118Active74HCT257D74HCT257D-Q100J
( 9353 070 61118 )
74HCT257PW-Q100
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHCT25774HCT257PW-Q100J
( 9353 070 62118 )

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicatorLeadfree conversion date
74HC257D-Q10074HC257D-Q100J74HC257D-Q100Always Pb-free
74HC257PW-Q10074HC257PW-Q100J74HC257PW-Q100Always Pb-free
74HCT257D-Q10074HCT257D-Q100J74HCT257D-Q100Always Pb-free
74HCT257PW-Q10074HCT257PW-Q100J74HCT257PW-Q100Always Pb-free
Quality and reliability disclaimer

Documentation (9)

File nameTitleTypeDate
74HC_HCT257_Q100Quad 2-input multiplexer; 3-stateData sheet2024-03-22
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08
SOT109-1plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm bodyPackage information2023-11-07
SOT403-1plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.2 mm bodyPackage information2023-11-08
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08

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