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Logic / Bus Driver/Transceivers / SN74LS244DWR
Datasheets
SN74LS244DWR by:
Texas Instruments
Freescale Semiconductor
Motorola Mobility LLC
Motorola Semiconductor Products
onsemi
Rochester Electronics LLC
Texas Instruments
Not Found

8-ch, 4.75-V to 5.25-V bipolar buffers with 3-state outputs 20-SOIC 0 to 70

Part Details for SN74LS244DWR by Texas Instruments

Results Overview of SN74LS244DWR by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Consumer Electronics

SN74LS244DWR Information

SN74LS244DWR by Texas Instruments is a Bus Driver/Transceiver.
Bus Driver/Transceivers are under the broader part category of Logic Components.

Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.

Price & Stock for SN74LS244DWR

Part # Distributor Description Stock Price Buy
DISTI # 296-1213-1-ND
DigiKey IC BUF NON-INVERT 5.25V 20SOIC Min Qty: 1 Lead time: 6 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 2369
In Stock
  • 1 $0.9100
  • 10 $0.6490
  • 25 $0.5848
  • 100 $0.5143
  • 250 $0.4806
  • 500 $0.4604
  • 1,000 $0.4437
  • 2,000 $0.4299
  • 4,000 $0.4186
  • 6,000 $0.4129
  • 10,000 $0.4066
  • 14,000 $0.4030
  • 20,000 $0.3994
$0.3994 / $0.9100 Buy Now
DISTI # 595-SN74LS244DWR
Mouser Electronics Buffers & Line Drivers Tri-State Octal A 595-SN74LS244DW RoHS: Compliant 4485
  • 1 $0.9100
  • 10 $0.6490
  • 25 $0.5850
  • 100 $0.5150
  • 250 $0.4810
  • 500 $0.4610
  • 1,000 $0.4300
  • 2,000 $0.4300
  • 4,000 $0.4240
  • 8,000 $0.3890
$0.3890 / $0.9100 Buy Now
Bristol Electronics   Min Qty: 7 3274
  • 7 $0.8250
  • 26 $0.5363
  • 95 $0.3094
  • 325 $0.2640
  • 702 $0.2310
  • 1,668 $0.2145
$0.2145 / $0.8250 Buy Now
Bristol Electronics   692
RFQ
Quest Components IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC 2382
  • 1 $1.1000
  • 110 $0.3300
  • 607 $0.2860
$0.2860 / $1.1000 Buy Now
Quest Components IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC 161
  • 1 $1.5000
  • 18 $0.9000
  • 68 $0.7500
$0.7500 / $1.5000 Buy Now
Quest Components IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC 154
  • 1 $0.9000
  • 29 $0.5400
  • 112 $0.4500
$0.4500 / $0.9000 Buy Now
Quest Components IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC 124
  • 1 $0.7854
  • 24 $0.4712
  • 107 $0.3665
$0.3665 / $0.7854 Buy Now
Quest Components IC,BUFFER/DRIVER,DUAL,4-BIT,LS-TTL,SOP,20PIN,PLASTIC 16
  • 1 $1.0850
  • 6 $0.8680
$0.8680 / $1.0850 Buy Now
ComSIT USA Electronic Component RoHS: Not Compliant Stock DE - 0
Stock ES - 3678
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
New Advantage Corporation IC-74LS244 SMD SOIC20 TR TI RoHS: Compliant Min Qty: 1 Package Multiple: 100 1016
  • 400 $0.9427
  • 1,016 $0.8799
$0.8799 / $0.9427 Buy Now
Vyrian Logic ICs 2308
RFQ
Win Source Electronics IC BUFF/DVR TRI-ST DUAL 20SOIC 19070
  • 115 $0.4366
  • 245 $0.4085
  • 385 $0.3944
  • 550 $0.3662
  • 715 $0.3521
  • 890 $0.3381
$0.3381 / $0.4366 Buy Now

Part Details for SN74LS244DWR

SN74LS244DWR CAD Models

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SN74LS244DWR Part Data Attributes

Parametric Data
SN74LS244DWR Texas Instruments
Buy Now Datasheet
Compare Parts:
SN74LS244DWR Texas Instruments 8-ch, 4.75-V to 5.25-V bipolar buffers with 3-state outputs 20-SOIC 0 to 70
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Pin Count 20
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Control Type ENABLE LOW
Count Direction UNIDIRECTIONAL
Family LS
JESD-30 Code R-PDSO-G20
JESD-609 Code e4
Length 12.8 mm
Load Capacitance (CL) 45 pF
Logic IC Type BUS DRIVER
Max I(ol) 0.024 A
Moisture Sensitivity Level 1
Number of Bits 4
Number of Functions 8
Number of Ports 2
Number of Terminals 20
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE
Output Polarity TRUE
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP20,.3
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR, 13 INCH
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 50 mA
Prop. Delay@Nom-Sup 18 ns
Propagation Delay (tpd) 18 ns
Qualification Status Not Qualified
Seated Height-Max 2.65 mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology TTL
Temperature Grade COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 7.5 mm

Alternate Parts for SN74LS244DWR

This table gives cross-reference parts and alternative options found for SN74LS244DWR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74LS244DWR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
HD74LS244RP Hitachi Ltd Check for Price Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20, FP-20DB SN74LS244DWR vs HD74LS244RP
SN74LS244DWR2 Motorola Mobility LLC Check for Price LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, PLASTIC, SOIC-20 SN74LS244DWR vs SN74LS244DWR2
DM74LS244WMX National Semiconductor Corporation Check for Price Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20 SN74LS244DWR vs DM74LS244WMX
DM74LS244WM Fairchild Semiconductor Corporation Check for Price Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20, 0.300 INCH, MS-013, SOIC-20 SN74LS244DWR vs DM74LS244WM
HD74LS244RP Renesas Electronics Corporation Check for Price LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, FP-20DB SN74LS244DWR vs HD74LS244RP
N74LS244D YAGEO Corporation Check for Price Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20 SN74LS244DWR vs N74LS244D
HD74LS244RP-EL Renesas Electronics Corporation Check for Price LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, FP-20DB SN74LS244DWR vs HD74LS244RP-EL
Part Number Manufacturer Composite Price Description Compare
SN74LS244DWRG4 Texas Instruments Check for Price Octal Buffers And Line Drivers With 3-State Outputs 20-SOIC 0 to 70 SN74LS244DWR vs SN74LS244DWRG4
SN74LS244DWRE4 Texas Instruments Check for Price 8-ch, 4.75-V to 5.25-V bipolar buffers with 3-state outputs 20-SOIC 0 to 70 SN74LS244DWR vs SN74LS244DWRE4
HD74LS244RP-EL Hitachi Ltd Check for Price Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20, FP-20DB SN74LS244DWR vs HD74LS244RP-EL
HD74LS244FPEL Renesas Electronics Corporation Check for Price LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, 5.5 X 12.6 MM, 1.27 PITCH, PLASTIC, SOP-20 SN74LS244DWR vs HD74LS244FPEL
N74LS244D Signetics Check for Price Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20, SN74LS244DWR vs N74LS244D
DV74LS244D avg Semiconductors Check for Price Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20, PLASTIC, SOP-20 SN74LS244DWR vs DV74LS244D
SN74LS244M onsemi Check for Price IC LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, EIAJ, SOIC-20, Bus Driver/Transceiver SN74LS244DWR vs SN74LS244M
SN74LS244DWE4 Texas Instruments $0.4642 8-ch, 4.75-V to 5.25-V bipolar buffers with 3-state outputs 20-SOIC 0 to 70 SN74LS244DWR vs SN74LS244DWE4
HD74LS244RPEL Renesas Electronics Corporation Check for Price LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, 7.5 X 12.8 MM, 1.27 PITCH, PLASTIC, SOP-20 SN74LS244DWR vs HD74LS244RPEL
DM74LS244SJ Fairchild Semiconductor Corporation Check for Price Bus Driver, LS Series, 2-Func, 4-Bit, True Output, TTL, PDSO20, 5.30 MM, EIAJ TYPE2, SOP-20 SN74LS244DWR vs DM74LS244SJ

SN74LS244DWR Related Parts

SN74LS244DWR Frequently Asked Questions (FAQ)

  • The maximum frequency of operation for the SN74LS244DWR is 35 MHz.

  • No, the SN74LS244DWR is a 5V device and is not compatible with 3.3V systems. You may need to use a level translator or a different device that is compatible with 3.3V systems.

  • The SN74LS244DWR has a maximum power dissipation of 500 mW. To handle heat dissipation, ensure good airflow around the device, use a heat sink if necessary, and follow proper PCB design and layout guidelines.

  • Yes, the SN74LS244DWR is compatible with TTL (Transistor-Transistor Logic) logic levels.

  • The SN74LS244DWR is a commercial-grade device and may not meet the requirements for high-reliability or aerospace applications. You may need to use a device that is specifically designed and qualified for such applications.