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74HCT259BQ-Q100

8-bit addressable latch

The 74HC259-Q100; 74HCT259-Q100 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.

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

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Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74HCT259BQ-Q100 74HCT259BQ-Q100,11 935298824115 SOT763-1 Order product
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8-bit addressable latch

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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
  • 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-Q100: CMOS level
    • For 74HCT259-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)
  • Multiple package options
  • DHVQFN package with Side-Wettable Flanks enabling Automatic Optical Inspection (AOI) of solder joints

Applications

Parametrics

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)fmax (MHz)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HCT259BQ-Q100Production4.5 - 5.5TTL± 4208low-40~1258910.857DHVQFN16

Package

Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
74HCT259BQ-Q10074HCT259BQ-Q100,11
( 9352 988 24115 )
ActiveHCT259
DHVQFN16
(SOT763-1)
SOT763-1Reel 7” Q1/T1 or Q2/T3

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
74HCT259BQ-Q10074HCT259BQ-Q100,1174HCT259BQ-Q10011
Quality and reliability disclaimer

Series

  • 74HC259-Q100; 74HCT259-Q100 - 8-bit addressable latch

Documentation (4)

File nameTitleTypeDate
74HC_HCT259_Q1008-bit addressable latchData sheet2020-09-02
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
74HCT259BQ-Q100_Nexperia_Product_Reliability74HCT259BQ-Q100 Nexperia Product ReliabilityQuality document2022-05-04
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31

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
74HCT259BQ-Q10074HCT259BQ-Q100,11935298824115Reel 7” Q1/T1 or Q2/T3- Order product

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