Bipolar transistors

Diodes

ESD protection, TVS, filtering and signal conditioning

MOSFETs

SiC MOSFETs

GaN FETs

IGBTs

Analog & Logic ICs

Automotive qualified products (AEC-Q100/Q101)

74AHC244BQ

Octal buffer/line driver; 3-state

The 74AHC244; 74AHCT244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments.

Features and benefits

  • Wide supply voltage range from 2.0 V to 5.5 V

  • Balanced propagation delays

  • All inputs have Schmitt-trigger action

  • Overvoltage tolerant inputs to 5.5 V

  • High noise immunity

  • CMOS low power dissipation

  • Input levels:

    • For 74AHC244: CMOS level

    • For 74AHCT244: 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

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

  • Multiple package options

  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

Parametrics

Type number VCC (V) Logic switching levels Output drive capability (mA) fmax (MHz) Nr of bits Power dissipation considerations Tamb (°C) Package name
74AHC244BQ 2.0 - 5.5 CMOS ± 8 60 8 low -40~125 DHVQFN20

PCB Symbol, Footprint and 3D Model

Model Name Description

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Package

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
74AHC244BQ 74AHC244BQ,115
(935285537115)
Active AHC244 SOT764-1
DHVQFN20
(SOT764-1)
SOT764-1 SOT764-1_115

Environmental information

Type number Orderable part number Chemical content RoHS RHF-indicator
74AHC244BQ 74AHC244BQ,115 74AHC244BQ rohs rhf rhf
Quality and reliability disclaimer

Documentation (10)

File name Title Type Date
74AHC_AHCT244 Octal buffer/line driver; 3-state Data sheet 2023-09-20
AN11106 Pin FMEA for AHC/AHCT family Application note 2019-01-09
AN263 Power considerations when using CMOS and BiCMOS logic devices Application note 2023-02-07
SOT764-1 3D model for products with SOT764-1 package Design support 2019-10-03
ahc244 ahc244 IBIS model IBIS model 2013-04-08
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
DHVQFN20_SOT764-1_mk plastic, dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 2.5 mm x 4.5 mm x 0.85 mm body Marcom graphics 2017-01-28
SOT764-1 plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 4.5 mm x 2.5 mm x 1 mm body Package information 2022-06-21
SOT764-1_115 DHVQFN20; Reel pack for SMD, 7''; Q1/T1 product orientation Packing information 2020-04-21
74AHC244BQ_Nexperia_Product_Reliability 74AHC244BQ Nexperia Product Reliability Quality document 2024-06-16

Support

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Models

File name Title Type Date
ahc244 ahc244 IBIS model IBIS model 2013-04-08
SOT764-1 3D model for products with SOT764-1 package Design support 2019-10-03

PCB Symbol, Footprint and 3D Model

Model Name Description

Register once, drag and drop ECAD models into your CAD tool and speed up your design.

Click here for more information

Ordering, pricing & availability

Type number Orderable part number Ordering code (12NC) Status Packing Packing Quantity Buy online
74AHC244BQ 74AHC244BQ,115 935285537115 Active SOT764-1_115 3,000 Order product

Sample

As a Nexperia customer you can order samples via our sales organization.

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. Check out the list of official distributors.

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.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74AHC244BQ 74AHC244BQ,115 935285537115 SOT764-1 Order product