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)

74VHC244; 74VHCT244

Octal buffer/line driver; 3-state

The 74VHC244; 74VHCT244 are a high-speed Si-gate CMOS devices.

The 74VHC244; 74VHCT244 have octal non-inverting buffer/line drivers with 3-state outputs. The 3-state outputs are controlled by the output enable inputs (nOE). A HIGH on nOE causes the outputs to assume a high-impedance OFF-state.

Features and benefits

  • Balanced propagation delays

  • All inputs have a Schmitt-trigger action

  • Inputs accepts voltages higher than VCC

  • Input levels:

    • The 74VHC244 operates with CMOS input level

    • The 74VHCT244 operates with TTL input 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 number VCC (V) Logic switching levels Output drive capability (mA) fmax (MHz) Nr of bits Power dissipation considerations Tamb (°C) Rth(j-a) (K/W) Rth(j-c) (K/W) Package name
74VHC244BQ 2.0 - 5.5 CMOS ± 8 60 8 low -40~125 78 50 DHVQFN20
74VHC244D 2.0 - 5.5 CMOS ± 8 60 8 low -40~125 85 26.8 61 SO20
74VHC244PW 2.0 - 5.5 CMOS ± 8 60 8 low -40~125 101 4.5 45 TSSOP20
74VHCT244BQ 4.5 - 5.5 TTL ± 8 60 8 low -40~125 78 50 DHVQFN20
74VHCT244D 4.5 - 5.5 TTL ± 8 60 8 low -40~125 85 26.8 61 SO20
74VHCT244PW 4.5 - 5.5 TTL ± 8 60 8 low -40~125 101 4.5 45 TSSOP20

Package

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
74VHC244BQ 74VHC244BQ,115
(935289608115)		 Active VHC244 SOT764-1
DHVQFN20
(SOT764-1) 		SOT764-1 SOT764-1_115
74VHC244D 74VHC244D,118
(935289611118)		 Active 74VHC244D SOT163-1
SO20
(SOT163-1) 		SOT163-1 WAVE_BG-BD-1
SOT163-1_118
74VHC244PW 74VHC244PW,118
(935289613118)		 Active VHC244 SOT360-1
TSSOP20
(SOT360-1) 		SOT360-1 SSOP-TSSOP-VSO-WAVE
SOT360-1_118
74VHCT244BQ 74VHCT244BQ,115
(935289609115)		 Active VHCT244 SOT764-1
DHVQFN20
(SOT764-1) 		SOT764-1 SOT764-1_115
74VHCT244D 74VHCT244D,118
(935289612118)		 Active 74VHCT244D SOT163-1
SO20
(SOT163-1) 		SOT163-1 WAVE_BG-BD-1
SOT163-1_118
74VHCT244PW 74VHCT244PW,118
(935289614118)		 Active VHCT244 SOT360-1
TSSOP20
(SOT360-1) 		SOT360-1 SSOP-TSSOP-VSO-WAVE
SOT360-1_118

Environmental information

Type number Orderable part number Chemical content RoHS RHF-indicator
74VHC244BQ 74VHC244BQ,115 74VHC244BQ rohs rhf rhf
74VHC244D 74VHC244D,118 74VHC244D rohs rhf rhf
74VHC244PW 74VHC244PW,118 74VHC244PW rohs rhf rhf
74VHCT244BQ 74VHCT244BQ,115 74VHCT244BQ rohs rhf rhf
74VHCT244D 74VHCT244D,118 74VHCT244D rohs rhf rhf
74VHCT244PW 74VHCT244PW,118 74VHCT244PW rohs rhf rhf
Quality and reliability disclaimer

Documentation (15)

File name Title Type Date
74VHC_VHCT244 Octal buffer/line driver; 3-state Data sheet 2024-07-08
AN90063 Questions about package outline drawings Application note 2025-10-22
SOT764-1 3D model for products with SOT764-1 package Design support 2019-10-03
SOT163-1 3D model for products with SOT163-1 package Design support 2020-01-22
SOT360-1 3D model for products with SOT360-1 package Design support 2020-01-22
74vhc244 74vhc244 IBIS model IBIS model 2013-04-08
74vhct244 74vhct244 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
TSSOP20_SOT360-1_mk plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 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
SOT163-1 plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm body Package information 2024-11-15
SOT360-1 plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.2 mm body Package information 2024-11-15
WAVE_BG-BD-1 Wave soldering profile Wave soldering 2021-09-08
SSOP-TSSOP-VSO-WAVE Footprint for wave soldering Wave soldering 2009-10-08

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.

Models

File name Title Type Date
SOT764-1 3D model for products with SOT764-1 package Design support 2019-10-03
SOT163-1 3D model for products with SOT163-1 package Design support 2020-01-22
SOT360-1 3D model for products with SOT360-1 package Design support 2020-01-22
74vhc244 74vhc244 IBIS model IBIS model 2013-04-08
74vhct244 74vhct244 IBIS model IBIS model 2013-04-08

Ordering, pricing & availability

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.