×

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 JESD22-A114E exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
    • CDM JESD22-C101C 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)fmax (MHz)No of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Rth(j-c) (K/W)Package name
74VHC244BQProduction2.0 - 5.5CMOS± 8608low-40~1257850DHVQFN20
74VHC244DProduction2.0 - 5.5CMOS± 8608low-40~1258561SO20
74VHC244PWProduction2.0 - 5.5CMOS± 8608low-40~12510145TSSOP20
74VHCT244BQProduction4.5 - 5.5TTL± 8608low-40~1257850DHVQFN20
74VHCT244DProduction4.5 - 5.5TTL± 8608low-40~1258561SO20
74VHCT244PWProduction4.5 - 5.5TTL± 8608low-40~12510145TSSOP20

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74VHC244BQ
DHVQFN20
(SOT764-1)
SOT764-1Reel 7” Q1/T1 or Q2/T3ActiveVHC24474VHC244BQ,115
( 9352 896 08115 )
74VHC244D
SO20
(SOT163-1)
SOT163-1WAVE_BG-BD-1
Reel 13" Q1/T1Active74VHC244D74VHC244D,118
( 9352 896 11118 )
74VHC244PW
TSSOP20
(SOT360-1)
SOT360-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveVHC24474VHC244PW,118
( 9352 896 13118 )
74VHCT244BQ
DHVQFN20
(SOT764-1)
SOT764-1Reel 7” Q1/T1 or Q2/T3ActiveVHCT24474VHCT244BQ,115
( 9352 896 09115 )
74VHCT244D
SO20
(SOT163-1)
SOT163-1WAVE_BG-BD-1
Reel 13" Q1/T1Active74VHCT244D74VHCT244D,118
( 9352 896 12118 )
74VHCT244PW
TSSOP20
(SOT360-1)
SOT360-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveVHCT24474VHCT244PW,118
( 9352 896 14118 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
74VHC244BQ74VHC244BQ,11574VHC244BQAlways Pb-free29.90.91.11E911
74VHC244D74VHC244D,11874VHC244DAlways Pb-free29.90.91.11E911
74VHC244PW74VHC244PW,11874VHC244PWAlways Pb-free29.90.91.11E911
74VHCT244BQ74VHCT244BQ,11574VHCT244BQAlways Pb-free29.90.91.11E911
74VHCT244D74VHCT244D,11874VHCT244DAlways Pb-free29.90.91.11E911
74VHCT244PW74VHCT244PW,11874VHCT244PWAlways Pb-free29.90.91.11E911
Quality and reliability disclaimer

Documentation (8)

File nameTitleTypeDate
74VHC_VHCT244Octal buffer_line driver; 3-stateData sheet2017-07-20
74vhct24474vhct244 IBIS modelIBIS model2013-04-07
74vhc24474vhc244 IBIS modelIBIS model2013-04-07
SOT764-1plastic, 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 bodyPackage information2021-08-17
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT360-1plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm bodyPackage information2020-04-21
SOT163-1plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm bodyPackage information2020-04-21
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08

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 nameTitleTypeDate
74vhct24474vhct244 IBIS modelIBIS model2013-04-07
74vhc24474vhc244 IBIS modelIBIS model2013-04-07

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.