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74HC257PW

Quad 2-input multiplexer; 3-state

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

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74HC257PW 74HC257PW,118 935174680118 SOT403-1 Order product

Features and benefits

  • 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: CMOS level
    • For 74HCT257: TTL level
  • ESD protection:
    • HBM JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

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
74HC257PWProduction2.0 - 6.0CMOS± 7.811low-40~1251254.554.6TSSOP16

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
74HC257PW74HC257PW,118
( 9351 746 80118 )
ActiveHC257
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1

The variants in the table below are discontinued. See the table Discontinuation information for more information.

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
74HC257PW74HC257PW,112
( 9351 746 80112 )
Withdrawn / End-of-lifeHC257
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
Bulk Pack

Discontinuation information

Type numberOrderable part numberOrdering codeLast time buy dateLast time delivery dateReplacement productStatusComments
74HC257PW74HC257PW,1129351746801122018-12-312019-06-3074HC257PWFull withdrawal

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicator
74HC257PW74HC257PW,11874HC257PW

The variants in the table below are discontinued. See the table Discontinuation information for more information.

Type numberOrderable part numberChemical contentRoHSRHF-indicator
74HC257PW74HC257PW,11274HC257PW
Quality and reliability disclaimer

Documentation (5)

File nameTitleTypeDate
74HC_HCT257Quad 2-input multiplexer; 3-stateData sheet2021-02-09
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
74HC257PW_Nexperia_Product_Reliability74HC257PW Nexperia Product ReliabilityQuality document2022-05-04
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08

Support

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Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingPacking quantityBuy online
74HC257PW74HC257PW,118935174680118Reel 13" Q1/T1- Order product

Sample

As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.

Sample orders normally take 2-4 days for delivery.

If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.