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74HCT259PW

8-bit addressable latch

The 74HC259; 74HCT259 is an 8-bit addressable latch. The device features four modes of operation. In the addressable latch mode, data on the D input is written into the latch addressed by the inputs A0 to A3. The addressed latch will follow the data input, non-addressed latches will retain their previous states. In memory mode, all latches retain their previous states and are unaffected by the data or address inputs. In the 3-to-8 decoding or demultiplexing mode, the addressed output follows the D input and all other outputs are LOW. In the reset mode, all outputs are forced LOW and unaffected by the data or address inputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Alternatives

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74HCT259PW 74HCT259PW,118 935188410118 SOT403-1 Order product

Features and benefits

  • Wide supply voltage range from 2.0 V to 6.0 V

  • 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)

  • Combined demultiplexer and 8-bit latch

  • Serial-to-parallel capability

  • Output from each storage bit available

  • Random (addressable) data entry

  • Easily expandable

  • Common reset input

  • Useful as a 3-to-8 active HIGH decoder

  • Input levels:

    • For 74HC259: CMOS level

    • For 74HCT259: 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

  • Multiple package options

  • 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
74HCT259PWProduction4.5 - 5.5TTL± 420low-40~1251213.649.9TSSOP16

PCB Symbol, Footprint and 3D Model

Model NameDescription

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
74HCT259PW74HCT259PW,118
( 9351 884 10118 ) 		ActiveHCT259
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118

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
74HCT259PW74HCT259PW,112
( 9351 884 10112 ) 		Withdrawn / End-of-lifeHCT259
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_112

Discontinuation information

Type numberOrderable part numberOrdering codeLast time buy dateLast time delivery dateReplacement productStatusComments
74HCT259PW74HCT259PW,1129351884101122021-12-312022-06-3074HCT259PWVersion withdrawal

Environmental information

Type numberOrderable part numberChemical contentRoHSRHF-indicator
74HCT259PW74HCT259PW,11874HCT259PW

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

Type numberOrderable part numberChemical contentRoHSRHF-indicator
74HCT259PW74HCT259PW,11274HCT259PW
Quality and reliability disclaimer

Series

Documentation (7)

File nameTitleTypeDate
74HC_HCT2598-bit addressable latchData sheet2022-12-05
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
hct25974HCT259 IBIS modelIBIS model2022-10-21
74HCT259PW_Nexperia_Product_Reliability74HCT259PW Nexperia Product ReliabilityQuality document2023-05-29
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT403-1_118TSSOP16; Reel pack for SMD, 13"; Q1/T1 product orientationPacking information2020-02-14

Support

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Models

File nameTitleTypeDate
hct25974HCT259 IBIS modelIBIS model2022-10-21

PCB Symbol, Footprint and 3D Model

Model NameDescription

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingPacking quantityBuy online
74HCT259PW74HCT259PW,118935188410118SOT403-1_118- 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.

How does it work?

The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.

Interactive datasheet