Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    SN74LVT244BDB Search Results

    SN74LVT244BDB Result Highlights (1)

    Part ECAD Model Manufacturer Description Download Buy
    SN74LVT244BDBR Texas Instruments 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Visit Texas Instruments Buy
    SF Impression Pixel

    SN74LVT244BDB Price and Stock

    Texas Instruments SN74LVT244BDBR

    IC BUF NON-INVERT 3.6V 20SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74LVT244BDBR Cut Tape 4,513 1
    • 1 $0.87
    • 10 $0.625
    • 100 $0.4949
    • 1000 $0.42653
    • 10000 $0.42653
    Buy Now
    SN74LVT244BDBR Digi-Reel 4,513 1
    • 1 $0.87
    • 10 $0.625
    • 100 $0.4949
    • 1000 $0.42653
    • 10000 $0.42653
    Buy Now
    SN74LVT244BDBR Reel 2,000 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3907
    Buy Now
    Mouser Electronics SN74LVT244BDBR 4,732
    • 1 $0.62
    • 10 $0.471
    • 100 $0.409
    • 1000 $0.36
    • 10000 $0.36
    Buy Now
    Verical SN74LVT244BDBR 584 16
    • 1 -
    • 10 -
    • 100 $0.383
    • 1000 $0.3693
    • 10000 $0.3693
    Buy Now
    Arrow Electronics SN74LVT244BDBR Cut Strips 584 6 Weeks 1
    • 1 $0.4036
    • 10 $0.3967
    • 100 $0.383
    • 1000 $0.3693
    • 10000 $0.3693
    Buy Now
    Bristol Electronics SN74LVT244BDBR 4,064
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    SN74LVT244BDBR 1,360
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Quest Components SN74LVT244BDBR 3,251
    • 1 $1.395
    • 10 $1.395
    • 100 $1.395
    • 1000 $1.395
    • 10000 $0.4185
    Buy Now
    Chip1Stop SN74LVT244BDBR Cut Tape 1,250
    • 1 $0.295
    • 10 $0.294
    • 100 $0.293
    • 1000 $0.291
    • 10000 $0.291
    Buy Now

    Rochester Electronics LLC SN74LVT244BDB

    IC BUFFER NON-INVERT 3.6V 20SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74LVT244BDB Bulk 683
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.44
    • 10000 $0.44
    Buy Now

    Texas Instruments SN74LVT244BDBRE4

    IC BUF NON-INVERT 3.6V 20SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74LVT244BDBRE4 Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3907
    Buy Now

    Texas Instruments SN74LVT244BDB

    Buffer/Line Driver 8-CH Non-Inverting 3-ST BiCMOS 20-Pin SSOP Tube
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical SN74LVT244BDB 15,328 790
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.4489
    • 10000 $0.4489
    Buy Now
    SN74LVT244BDB 4,830 790
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.4489
    • 10000 $0.4489
    Buy Now
    Rochester Electronics SN74LVT244BDB 20,158 1
    • 1 $0.4225
    • 10 $0.4225
    • 100 $0.3972
    • 1000 $0.3591
    • 10000 $0.3591
    Buy Now

    Texas Instruments SN74LVT244BDBG4

    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bristol Electronics SN74LVT244BDBG4 9
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    SN74LVT244BDB Datasheets (16)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    SN74LVT244BDB Texas Instruments SN74LVT244 - 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDB Texas Instruments 3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS Original PDF
    SN74LVT244BDB Texas Instruments 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDBE4 Texas Instruments SN74LVT244 - IC LVT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SSOP-20, Bus Driver/Transceiver Original PDF
    SN74LVT244BDBLE Texas Instruments SN74LVT244 - 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDBLE Texas Instruments 3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS Original PDF
    SN74LVT244BDBLE Texas Instruments 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDBR Texas Instruments SN74LVT244 - 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDBR Texas Instruments 3.3 V ABT Octal Buffer/Driver with 3-State Outputs Original PDF
    SN74LVT244BDBR Texas Instruments 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDBR Texas Instruments 3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS Original PDF
    SN74LVT244BDBRE4 Texas Instruments SN74LVT244 - 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDBRE4 Texas Instruments 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDBRE4 Texas Instruments 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs Original PDF
    SN74LVT244BDBRG4 Texas Instruments SN74LVT244 - 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF
    SN74LVT244BDBRG4 Texas Instruments 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs 20-SSOP -40 to 85 Original PDF

    SN74LVT244BDB Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    A115-A

    Abstract: C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J A115-A C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354I – FEBRUARY 1994 – REVISED NOVEMBER 2002 D 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 RGY PACKAGE TOP VIEW VCC 2OE 1Y1 2A4 1Y2 2A3


    Original
    PDF SN74LVT244B SCAS354I 000-V A114-A) A115-A) SN74LVT244BRGYR SN74LVT244B SCAM013,

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J 000-V A114-A) A115-A)

    A115-A

    Abstract: C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J A115-A C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original
    PDF P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D DB, DW, NS, OR PW PACKAGE TOP VIEW 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1


    Original
    PDF SN74LVT244B SCAS354J

    LX244

    Abstract: lx244b C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR A115-A
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J LX244 lx244b C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR A115-A

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SCAS354J SN74LVT244B 000-V A114-A) A115-A)

    LX244B

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J LX244B

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SCAS354J SN74LVT244B 000-V A114-A) A115-A) sdyu001x sgyc003d scyb017a sgyn139

    LX244B

    Abstract: LVT244B A115-A C101 SN74LVT244B SN74LVT244BDW SN74LVT244BRGYR
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354I – FEBRUARY 1994 – REVISED NOVEMBER 2002 D 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 RGY PACKAGE TOP VIEW VCC 2OE 1Y1 2A4 1Y2 2A3


    Original
    PDF SN74LVT244B SCAS354I 000-V A114-A) A115-A) LX244B LVT244B A115-A C101 SN74LVT244B SN74LVT244BDW SN74LVT244BRGYR

    LX244B

    Abstract: LVT244B
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354H – FEBRUARY 1994 – REVISED MARCH 2002 D D D D D D Supports Mixed-Mode Signal Operation 5-V Input and Output Voltages With 3.3-V VCC Supports Unregulated Battery Operation Down to 2.7 V


    Original
    PDF SN74LVT244B SCAS354H 000-V A114-A) A115-A) LX244B LVT244B

    LX244B

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SCAS354J SN74LVT244B 000-V A114-A) A115-A) LX244B

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SCAS354J SN74LVT244B 000-V A114-A) A115-A) MTSS001C 4040064/F MO-153

    LX244B

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J 000-V A114-A) A115-A) LX244B

    74ls74apc

    Abstract: HD74ls04p 74LVC1G04ady8 semiconductor AZ431BZ-AE1 HCF4060BE HEF4093BP datasheet free download ne5334 hd74hc132p dm74ls47n
    Text: Standard Linear and Logic Products Cross-Reference Introduction Notice This Standard Linear and Logic Products CrossReference will assist in finding a device made by Texas Instruments that is a drop-in or similar replacement to many of our competitors’ standard linear and logic products.


    Original
    PDF

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J 000-V A114-A) A115-A)

    lx244

    Abstract: A115-A C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR jedec MO 225
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J lx244 A115-A C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR jedec MO 225

    220v AC voltage stabilizer schematic diagram

    Abstract: LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 AD9272 Analog Front End, iMEMS Accelerometers & Gyroscopes . . . . . . 782, 2583 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-528 Acceleration and Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2585


    Original
    PDF AD9272 P462-ND LNG295LFCP2U P463-ND LNG395MFTP5U 220v AC voltage stabilizer schematic diagram LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J 000-V A114-A) A115-A)

    LX244B

    Abstract: No abstract text available
    Text: SN54LVT244B, SN74LVT244B 3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS354G – FEBRUARY 1994 – REVISED JULY 2001 D D D D SN54LVT244B . . . J OR W PACKAGE SN74LVT244B . . . DB, DW, OR PW PACKAGE TOP VIEW 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND


    Original
    PDF SN54LVT244B, SN74LVT244B SCAS354G 000-V A114-A) A115-A) SN54LVT244B SN74LVT244B LX244B

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J 000-V A114-A) A115-A)

    Untitled

    Abstract: No abstract text available
    Text: SN74LVT244B 3.3-V ABT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J 000-V A114-A) A115-A)

    lx244

    Abstract: A115-A C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR
    Text: SN74LVT244B 3.3ĆV ABT OCTAL BUFFER/DRIVER WITH 3ĆSTATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 D Supports Mixed-Mode Signal Operation D 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A1 2Y4


    Original
    PDF SN74LVT244B SCAS354J lx244 A115-A C101 SN74LVT244B SN74LVT244BDW SN74LVT244BDWR SN74LVT244BRGYR