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

    SN74AHC240N Search Results

    SN74AHC240N Result Highlights (2)

    Part ECAD Model Manufacturer Description Download Buy
    SN74AHC240N Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 Visit Texas Instruments Buy
    SN74AHC240NSR Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 Visit Texas Instruments Buy
    SF Impression Pixel

    SN74AHC240N Price and Stock

    Texas Instruments SN74AHC240N

    IC BUFFER INVERT 5.5V 20DIP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74AHC240N Tube 648 1
    • 1 $0.63
    • 10 $0.63
    • 100 $0.3513
    • 1000 $0.30019
    • 10000 $0.27974
    Buy Now
    Mouser Electronics SN74AHC240N 1,669
    • 1 $0.71
    • 10 $0.429
    • 100 $0.366
    • 1000 $0.351
    • 10000 $0.304
    Buy Now
    Verical SN74AHC240N 37,305 1,125
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3335
    Buy Now
    SN74AHC240N 20,740 1,125
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3335
    Buy Now
    SN74AHC240N 14,940 1,125
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3335
    Buy Now
    SN74AHC240N 8,220 1,125
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3335
    Buy Now
    SN74AHC240N 6,740 1,125
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3335
    Buy Now
    SN74AHC240N 6,040 1,125
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3335
    Buy Now
    SN74AHC240N 2,140 1,125
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3335
    Buy Now
    Bristol Electronics SN74AHC240N 1,465
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Rochester Electronics SN74AHC240N 97,965 1
    • 1 $0.3139
    • 10 $0.3139
    • 100 $0.2951
    • 1000 $0.2668
    • 10000 $0.2668
    Buy Now

    Texas Instruments SN74AHC240NSR

    IC BUFFER INVERT 5.5V 20SO
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74AHC240NSR Cut Tape 123 1
    • 1 $0.61
    • 10 $0.43
    • 100 $0.3365
    • 1000 $0.28718
    • 10000 $0.28718
    Buy Now
    SN74AHC240NSR Digi-Reel 123 1
    • 1 $0.61
    • 10 $0.43
    • 100 $0.3365
    • 1000 $0.28718
    • 10000 $0.28718
    Buy Now
    SN74AHC240NSR Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.29746
    Buy Now
    Mouser Electronics SN74AHC240NSR
    • 1 $1.69
    • 10 $1.03
    • 100 $0.657
    • 1000 $0.448
    • 10000 $0.314
    Get Quote
    Verical SN74AHC240NSR 12,000 1,166
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3218
    Buy Now
    SN74AHC240NSR 7,500 1,166
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3218
    Buy Now
    SN74AHC240NSR 6,000 1,166
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3218
    Buy Now
    Rochester Electronics SN74AHC240NSR 25,500 1
    • 1 $0.3028
    • 10 $0.3028
    • 100 $0.2846
    • 1000 $0.2574
    • 10000 $0.2574
    Buy Now
    TME SN74AHC240NSR 3
    • 1 -
    • 10 $0.348
    • 100 $0.263
    • 1000 $0.221
    • 10000 $0.221
    Get Quote

    Rochester Electronics LLC SN74AHC240N

    IC BUFFER INVERT 5.5V 20DIP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74AHC240N Bulk 919
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.33
    • 10000 $0.33
    Buy Now

    Rochester Electronics LLC SN74AHC240NS

    IC INVERTER DUAL 4-INPUT 20SO
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74AHC240NS Bulk 1,402
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.21
    Buy Now

    Rochester Electronics LLC SN74AHC240NSR

    SN74AHC240 OCTAL BUFFERS/DRIVERS
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74AHC240NSR Bulk 953
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.31
    • 10000 $0.31
    Buy Now

    SN74AHC240N Datasheets (15)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    SN74AHC240N Texas Instruments SN74AHC240 - Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 Original PDF
    SN74AHC240N Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 Original PDF
    SN74AHC240N Texas Instruments Octal Buffer/Driver with 3-State Outputs Original PDF
    SN74AHC240N Texas Instruments OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS Original PDF
    SN74AHC240NE4 Texas Instruments SN74AHC240 - Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 Original PDF
    SN74AHC240NE4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs Original PDF
    SN74AHC240NE4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 Original PDF
    SN74AHC240NSR Texas Instruments SN74AHC240 - Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 Original PDF
    SN74AHC240NSR Texas Instruments Octal Buffers/Drivers With 3-State Outputs Original PDF
    SN74AHC240NSR Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 Original PDF
    SN74AHC240NSRE4 Texas Instruments SN74AHC240 - Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 Original PDF
    SN74AHC240NSRE4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 Original PDF
    SN74AHC240NSRE4 Texas Instruments OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS Original PDF
    SN74AHC240NSRG4 Texas Instruments SN74AHC240 - Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 Original PDF
    SN74AHC240NSRG4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-SO -40 to 85 Original PDF

    SN74AHC240N Datasheets Context Search

    Catalog Datasheet MFG & Type Document Tags PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 PDF

    5555 FAIRCHILD optocoupler

    Abstract: MC74HC374N 74hc14n equivalent NC7S125M5 14069 HCF4541BEY APPLICATION HCF4013BE 4026 fairchild datasheet 14543 motorola Motorola DM74LS139N
    Text: R E L I A B L E . L O G I C . I N N O V A T I O N . Logic Cross-Reference Logic Cross-Reference 2003 Texas Instruments Printed in the U.S.A. by Texoma Business Forms, Durant, Oklahoma Printed on recycled paper. SCYB017A NEW First Revision Logic Cross-Reference


    Original
    SCYB017A A010203 5555 FAIRCHILD optocoupler MC74HC374N 74hc14n equivalent NC7S125M5 14069 HCF4541BEY APPLICATION HCF4013BE 4026 fairchild datasheet 14543 motorola Motorola DM74LS139N PDF

    AHC240

    Abstract: SN54AHC240 SN74AHC240 SN74AHC240DBR SN74AHC240DW SN74AHC240DWR SN74AHC240N SN74AHC240NSR SN74AHC240PW
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 SN54AHC240 SN74AHC240 SN74AHC240DBR SN74AHC240DW SN74AHC240DWR SN74AHC240N SN74AHC240NSR SN74AHC240PW PDF

    ha240

    Abstract: AHC240 SN54AHC240 SN74AHC240 SN74AHC240DBR SN74AHC240DW SN74AHC240DWR SN74AHC240N SN74AHC240NSR SN74AHC240PW
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 ha240 SN54AHC240 SN74AHC240 SN74AHC240DBR SN74AHC240DW SN74AHC240DWR SN74AHC240N SN74AHC240NSR SN74AHC240PW PDF

    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
    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 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251G – OCTOBER 1995 – REVISED FEBRUARY 2002 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251G SN54AHC240 SN74AHC240 AHC240 SN74AHC240PW SN74AHC240PWLE SN74AHC240PWR PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 sgyc003d scyb017a scla013d sgyn133 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 PDF

    CD4558

    Abstract: NC7S125 MC74F138N HCF4541 Motorola MC74HC251N 74ACT161 DHVQFN-20 74V1G08 SOT323/5 HCF4017 SN74ACT14DR
    Text: Logic Cross-Reference Introduction This Logic Cross-Reference for Buyers, Distribution Specialists and others with an interest in Logic will assist in finding a device made by Texas Instruments that is identical or similar to many of our competitors’ Logic products.


    Original
    74ABT16244 A010203 53001cov SCYB017 CD4558 NC7S125 MC74F138N HCF4541 Motorola MC74HC251N 74ACT161 DHVQFN-20 74V1G08 SOT323/5 HCF4017 SN74ACT14DR PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 PDF

    ha240

    Abstract: AHC240 SN54AHC240 SN74AHC240 SN74AHC240DBR SN74AHC240DW SN74AHC240DWR SN74AHC240N SN74AHC240NSR SN74AHC240PW
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 ha240 SN54AHC240 SN74AHC240 SN74AHC240DBR SN74AHC240DW SN74AHC240DWR SN74AHC240N SN74AHC240NSR SN74AHC240PW PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 PDF

    ha240

    Abstract: AHC240 SN54AHC240 SN74AHC240 SN74AHC240DBR SN74AHC240DW SN74AHC240DWR SN74AHC240N SN74AHC240NSR SN74AHC240PW
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 ha240 SN54AHC240 SN74AHC240 SN74AHC240DBR SN74AHC240DW SN74AHC240DWR SN74AHC240N SN74AHC240NSR SN74AHC240PW PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 PDF

    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: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 AHC240 PDF

    Untitled

    Abstract: No abstract text available
    Text: SN54AHC240, SN74AHC240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS251H – OCTOBER 1995 – REVISED JULY 2003 SN54AHC240 . . . J OR W PACKAGE SN74AHC240 . . . DB, DGV, DW, N, NS, OR PW PACKAGE TOP VIEW Operating Range 2-V to 5.5-V VCC Latch-Up Performance Exceeds 250 mA


    Original
    SN54AHC240, SN74AHC240 SCLS251H SN54AHC240 SN74AHC240 AHC240 PDF

    MC0628R

    Abstract: 40373 74hc14n equivalent 4046 application note philips HCF4060BE HCF4017BE SN74121 application note MC74HC373DW mc0628 HCF4053BE
    Text: R E L I A B L E . L O G I C . I N N O V A T I O N . Logic Cross-Reference Logic Cross-Reference 2003 Texas Instruments Printed in the U.S.A. by Texoma Business Forms, Durant, Oklahoma Printed on recycled paper. SCYB017A NEW First Revision Logic Cross-Reference


    Original
    SCYB017A T74ALVC32374 74CBTLV16211 SN74CBTD16211 SN74SSTV16859 SN74CBTLV16211GRDR SN74ALVC16245AGRDR -SN74SSTV16859GKER MC0628R 40373 74hc14n equivalent 4046 application note philips HCF4060BE HCF4017BE SN74121 application note MC74HC373DW mc0628 HCF4053BE PDF