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74HCT257PW

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
74HCT257PW 74HCT257PW,118 935188400118 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
74HCT257PWProduction4.5 - 5.5TTL± 613low-40~1251254.554.6TSSOP16

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
74HCT257PW74HCT257PW,118
( 9351 884 00118 )
ActiveHCT257
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicator
74HCT257PW74HCT257PW,11874HCT257PW
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
74HCT257PW_Nexperia_Product_Reliability74HCT257PW 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

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.

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingPacking quantityBuy online
74HCT257PW74HCT257PW,118935188400118Reel 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.