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

    SN74ACT240PWR Search Results

    SN74ACT240PWR Result Highlights (2)

    Part ECAD Model Manufacturer Description Download Buy
    SN74ACT240PWRG4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 Visit Texas Instruments
    SN74ACT240PWR Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 Visit Texas Instruments Buy
    SF Impression Pixel

    SN74ACT240PWR Price and Stock

    Texas Instruments SN74ACT240PWR

    IC BUFFER INVERT 5.5V 20TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT240PWR Cut Tape 4,165 1
    • 1 $0.71
    • 10 $0.508
    • 100 $0.399
    • 1000 $0.34204
    • 10000 $0.34204
    Buy Now
    SN74ACT240PWR Digi-Reel 4,165 1
    • 1 $0.71
    • 10 $0.508
    • 100 $0.399
    • 1000 $0.34204
    • 10000 $0.34204
    Buy Now
    SN74ACT240PWR Reel 4,000 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.3122
    Buy Now
    Mouser Electronics SN74ACT240PWR 3,836
    • 1 $0.71
    • 10 $0.456
    • 100 $0.372
    • 1000 $0.342
    • 10000 $0.295
    Buy Now
    Verical SN74ACT240PWR 2,019 1,445
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.2596
    Buy Now
    Newark SN74ACT240PWR Cut Tape 1
    • 1 $0.842
    • 10 $0.776
    • 100 $0.675
    • 1000 $0.627
    • 10000 $0.627
    Buy Now
    Bristol Electronics SN74ACT240PWR 1,746
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    SN74ACT240PWR 107 7
    • 1 -
    • 10 $0.75
    • 100 $0.4875
    • 1000 $0.2812
    • 10000 $0.2812
    Buy Now
    Quest Components SN74ACT240PWR 784
    • 1 $0.66
    • 10 $0.66
    • 100 $0.66
    • 1000 $0.264
    • 10000 $0.264
    Buy Now
    SN74ACT240PWR 85
    • 1 $1
    • 10 $0.8
    • 100 $0.5
    • 1000 $0.5
    • 10000 $0.5
    Buy Now
    Rochester Electronics SN74ACT240PWR 2,520 1
    • 1 $0.2444
    • 10 $0.2444
    • 100 $0.2297
    • 1000 $0.2077
    • 10000 $0.2077
    Buy Now
    TME SN74ACT240PWR 3
    • 1 -
    • 10 $0.658
    • 100 $0.496
    • 1000 $0.423
    • 10000 $0.423
    Get Quote
    Ameya Holding Limited SN74ACT240PWR 13,946
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Chip1Stop SN74ACT240PWR Cut Tape 1,719
    • 1 -
    • 10 $0.457
    • 100 $0.362
    • 1000 $0.314
    • 10000 $0.314
    Buy Now
    Win Source Electronics SN74ACT240PWR 2,050
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.2779
    • 10000 $0.2492
    Buy Now

    Rochester Electronics LLC SN74ACT240PWR

    SN74ACT240 OCTAL BUFFERS/DRIVERS
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT240PWR Bulk 1,336
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.25
    Buy Now

    Texas Instruments SN74ACT240PWRG4

    IC BUFF INVERT 5.5V 20TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT240PWRG4 Reel 2,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.42523
    Buy Now
    Mouser Electronics SN74ACT240PWRG4
    • 1 $0.96
    • 10 $0.86
    • 100 $0.671
    • 1000 $0.464
    • 10000 $0.413
    Get Quote
    Verical SN74ACT240PWRG4 3,800 831
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.4265
    • 10000 $0.4265
    Buy Now
    Rochester Electronics SN74ACT240PWRG4 3,800 1
    • 1 $0.4014
    • 10 $0.4014
    • 100 $0.3773
    • 1000 $0.3412
    • 10000 $0.3412
    Buy Now
    Win Source Electronics SN74ACT240PWRG4 2,000
    • 1 -
    • 10 -
    • 100 $0.542
    • 1000 $0.362
    • 10000 $0.362
    Buy Now

    Rochester Electronics LLC SN74ACT240PWRG4

    IC BUFFER INVERT 5.5V 20TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT240PWRG4 Bulk 719
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.42
    • 10000 $0.42
    Buy Now

    SN74ACT240PWR Datasheets (10)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    SN74ACT240PWR Texas Instruments SN74ACT240 - Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 Original PDF
    SN74ACT240PWR Texas Instruments OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS Original PDF
    SN74ACT240PWR Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 Original PDF
    SN74ACT240PWR Texas Instruments Octal Buffers/Drivers with 3-state Outputs Original PDF
    SN74ACT240PWRE4 Texas Instruments SN74ACT240 - Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 Original PDF
    SN74ACT240PWRE4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 Original PDF
    SN74ACT240PWRE4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs Original PDF
    SN74ACT240PWRG4 Texas Instruments SN74ACT240 - Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 Original PDF
    SN74ACT240PWRG4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs Original PDF
    SN74ACT240PWRG4 Texas Instruments Octal Buffers/Drivers With 3-State Outputs 20-TSSOP -40 to 85 Original PDF

    SN74ACT240PWR Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

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

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C − JUNE 1995 − REVISED OCTOBER 2002 D 4.5-V to 5.5-V VCC Operation D Inputs Accept Voltages to 5.5 V D Max tpd of 8.5 ns at 5 V D Inputs Are TTL Compatible 20 2 19 3 18 4 17 5 16


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240

    ACT240

    Abstract: SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR AD240
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 ACT240 SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR AD240

    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

    SN74ACT240PWR

    Abstract: ACT240 SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240PWR ACT240 SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515B – JUNE 1995 – REVISED MAY 1996 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND description These octal buffers and line drivers are designed specifically to improve the performance and


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515B SN54ACT240 SN74ACT240 ACT240 SCAA035B SDYA009C SCBA004C SCLA008

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515B – JUNE 1995 – REVISED MAY 1996 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND description These octal buffers and line drivers are designed specifically to improve the performance and


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515B SN54ACT240 SN74ACT240 ACT240 SN74ACT240N SN74ACT240NSR SN74ACT240PWLE SN74ACT240PWR

    SN74ACT240

    Abstract: SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR ACT240 SN54ACT240 AD240
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR ACT240 SN54ACT240 AD240

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C − JUNE 1995 − REVISED OCTOBER 2002 D 4.5-V to 5.5-V VCC Operation D Inputs Accept Voltages to 5.5 V D Max tpd of 8.5 ns at 5 V D Inputs Are TTL Compatible SN54ACT240 . . . J OR W PACKAGE


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240 scyd013 sdyu001x sgyc003d scyb017a

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C − JUNE 1995 − REVISED OCTOBER 2002 D 4.5-V to 5.5-V VCC Operation D Inputs Accept Voltages to 5.5 V D Max tpd of 8.5 ns at 5 V D Inputs Are TTL Compatible 20 2 19 3 18 4 17 5 16


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240

    ACT240

    Abstract: SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 ACT240 SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240

    ACT240

    Abstract: SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 ACT240 SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240

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

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515B – JUNE 1995 – REVISED MAY 1996 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND description These octal buffers and line drivers are designed specifically to improve the performance and


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515B SN54ACT240 SN74ACT240 ACT240 SN74ACT240DBLE SN74ACT240DBR SN74ACT240DW SN74ACT240DWR

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 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


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240 SN74ACT240PW SN74ACT240PWLE SN74ACT240PWR

    ACT240

    Abstract: SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR AD240
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C − JUNE 1995 − REVISED OCTOBER 2002 D 4.5-V to 5.5-V VCC Operation D Inputs Accept Voltages to 5.5 V D Max tpd of 8.5 ns at 5 V D Inputs Are TTL Compatible 20 2 19 3 18 4 17 5 16


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 ACT240 SN54ACT240 SN74ACT240 SN74ACT240DBR SN74ACT240DW SN74ACT240DWR SN74ACT240N SN74ACT240NSR SN74ACT240PWR AD240

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C − JUNE 1995 − REVISED OCTOBER 2002 D 4.5-V to 5.5-V VCC Operation D Inputs Accept Voltages to 5.5 V D Max tpd of 8.5 ns at 5 V D Inputs Are TTL Compatible 20 2 19 3 18 4 17 5 16


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C − JUNE 1995 − REVISED OCTOBER 2002 D 4.5-V to 5.5-V VCC Operation D Inputs Accept Voltages to 5.5 V D Max tpd of 8.5 ns at 5 V D Inputs Are TTL Compatible 20 2 19 3 18 4 17 5 16


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240

    Untitled

    Abstract: No abstract text available
    Text: SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C − JUNE 1995 − REVISED OCTOBER 2002 D 4.5-V to 5.5-V VCC Operation D Inputs Accept Voltages to 5.5 V D Max tpd of 8.5 ns at 5 V D Inputs Are TTL Compatible 20 2 19 3 18 4 17 5 16


    Original
    PDF SN54ACT240, SN74ACT240 SCAS515C SN54ACT240 SN74ACT240