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

    SN74ACT7806 Search Results

    SN74ACT7806 Result Highlights (2)

    Part ECAD Model Manufacturer Description Download Buy
    SN74ACT7806-40DL Texas Instruments 256 x 18 asynchronous FIFO memory 56-SSOP 0 to 70 Visit Texas Instruments Buy
    SN74ACT7806-20DL Texas Instruments 256 x 18 asynchronous FIFO memory 56-SSOP 0 to 70 Visit Texas Instruments Buy
    SF Impression Pixel

    SN74ACT7806 Price and Stock

    Texas Instruments SN74ACT7806-40DL

    IC FIFO ASYNC 256X18 56SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT7806-40DL Tube 45 1
    • 1 $10.48
    • 10 $10.48
    • 100 $8.2569
    • 1000 $7.32425
    • 10000 $7.32425
    Buy Now
    Mouser Electronics SN74ACT7806-40DL
    • 1 -
    • 10 -
    • 100 $7.47
    • 1000 $6.92
    • 10000 $6.92
    Get Quote
    Verical SN74ACT7806-40DL 1,726 43
    • 1 -
    • 10 -
    • 100 $8.3875
    • 1000 $7.5875
    • 10000 $7.5875
    Buy Now
    SN74ACT7806-40DL 1,700 43
    • 1 -
    • 10 -
    • 100 $8.3875
    • 1000 $7.5875
    • 10000 $7.5875
    Buy Now
    SN74ACT7806-40DL 1,016 43
    • 1 -
    • 10 -
    • 100 $8.3875
    • 1000 $7.5875
    • 10000 $7.5875
    Buy Now
    SN74ACT7806-40DL 540 43
    • 1 -
    • 10 -
    • 100 $8.3875
    • 1000 $7.5875
    • 10000 $7.5875
    Buy Now
    Rochester Electronics SN74ACT7806-40DL 4,996 1
    • 1 $7.14
    • 10 $7.14
    • 100 $6.71
    • 1000 $6.07
    • 10000 $6.07
    Buy Now
    TME SN74ACT7806-40DL 3
    • 1 -
    • 10 $14.58
    • 100 $11.09
    • 1000 $9.33
    • 10000 $9.33
    Get Quote

    Texas Instruments SN74ACT7806-25DL

    IC FIFO ASYNC 256X18 56SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT7806-25DL Tube
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Rochester Electronics SN74ACT7806-25DL 5,826 1
    • 1 $5.5
    • 10 $5.5
    • 100 $5.17
    • 1000 $4.68
    • 10000 $4.68
    Buy Now

    Rochester Electronics LLC SN74ACT7806-25DL

    IC FIFO ASYNC 256X18 56SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT7806-25DL Tube 53
    • 1 -
    • 10 -
    • 100 $5.72
    • 1000 $5.72
    • 10000 $5.72
    Buy Now

    Rochester Electronics LLC SN74ACT7806-40DL

    SN74ACT7806 256 X 18 ASYNCHRONOU
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT7806-40DL Bulk 41
    • 1 -
    • 10 -
    • 100 $7.43
    • 1000 $7.43
    • 10000 $7.43
    Buy Now

    Texas Instruments SN74ACT7806-20DL

    IC FIFO ASYNC 256X18 56SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74ACT7806-20DL Tube 40
    • 1 -
    • 10 -
    • 100 $23.3595
    • 1000 $23.3595
    • 10000 $23.3595
    Buy Now
    Mouser Electronics SN74ACT7806-20DL 15
    • 1 $28.37
    • 10 $26.42
    • 100 $23.33
    • 1000 $23.31
    • 10000 $23.31
    Buy Now
    Verical SN74ACT7806-20DL 1,647 15
    • 1 -
    • 10 -
    • 100 $24.2125
    • 1000 $21.9
    • 10000 $21.9
    Buy Now
    SN74ACT7806-20DL 563 15
    • 1 -
    • 10 -
    • 100 $24.2125
    • 1000 $21.9
    • 10000 $21.9
    Buy Now
    SN74ACT7806-20DL 227 15
    • 1 -
    • 10 -
    • 100 $24.2125
    • 1000 $21.9
    • 10000 $21.9
    Buy Now
    SN74ACT7806-20DL 220 15
    • 1 -
    • 10 -
    • 100 $24.2125
    • 1000 $21.9
    • 10000 $21.9
    Buy Now
    SN74ACT7806-20DL 100 15
    • 1 -
    • 10 -
    • 100 $24.2125
    • 1000 $21.9
    • 10000 $21.9
    Buy Now
    SN74ACT7806-20DL 20 15
    • 1 -
    • 10 -
    • 100 $24.2125
    • 1000 $21.9
    • 10000 $21.9
    Buy Now
    SN74ACT7806-20DL 19 15
    • 1 -
    • 10 -
    • 100 $24.2125
    • 1000 $21.9
    • 10000 $21.9
    Buy Now
    Rochester Electronics SN74ACT7806-20DL 2,796 1
    • 1 $20.61
    • 10 $20.61
    • 100 $19.37
    • 1000 $17.52
    • 10000 $17.52
    Buy Now

    SN74ACT7806 Datasheets (20)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    SN74ACT7806 Texas Instruments 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY Original PDF
    SN74ACT7806 Texas Instruments 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY Original PDF
    SN74ACT7806-20 Texas Instruments 256 x 18 asynchronous FIFO memory Original PDF
    SN74ACT7806-20 Texas Instruments 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY Original PDF
    SN74ACT7806-20DL Texas Instruments 256 x 18 ASYNCHRONOUS FIFO MEMORY Original PDF
    SN74ACT7806-20DL Texas Instruments 256 x 18 asynchronous FIFO memory 56-SSOP 0 to 70 Original PDF
    SN74ACT7806-20DLR Texas Instruments 256 x 18 ASYNCHRONOUS FIFO MEMORY Original PDF
    SN74ACT7806-20DLR Texas Instruments SN74ACT7806 - IC 256 X 18 OTHER FIFO, 15 ns, PDSO56, 0.300 INCH, 0.635 MM PITCH, GREEN, PLASTIC, SSOP-56, FIFO Original PDF
    SN74ACT7806-25 Texas Instruments 256 x 18 asynchronous FIFO memory Original PDF
    SN74ACT7806-25DL Texas Instruments 256 x 18 ASYNCHRONOUS FIFO MEMORY Original PDF
    SN74ACT7806-25DL Texas Instruments 256 x 18 asynchronous FIFO memory 56-SSOP 0 to 70 Original PDF
    SN74ACT7806-25DLR Texas Instruments 256 x 18 ASYNCHRONOUS FIFO MEMORY Original PDF
    SN74ACT7806-25DLR Texas Instruments SN74ACT7806 - IC 256 X 18 OTHER FIFO, 18 ns, PDSO56, 0.300 INCH, 0.635 MM PITCH, GREEN, PLASTIC, SSOP-56, FIFO Original PDF
    SN74ACT7806-40 Texas Instruments 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY Original PDF
    SN74ACT7806-40 Texas Instruments 256 x 18 asynchronous FIFO memory Original PDF
    SN74ACT7806-40DL Texas Instruments 256 x 18 ASYNCHRONOUS FIFO MEMORY Original PDF
    SN74ACT7806-40DL Texas Instruments 256 x 18 asynchronous FIFO memory 56-SSOP 0 to 70 Original PDF
    SN74ACT7806-40DLR Texas Instruments 256 x 18 ASYNCHRONOUS FIFO MEMORY Original PDF
    SN74ACT7806-40DLR Texas Instruments SN74ACT7806 - IC 256 X 18 OTHER FIFO, 20 ns, PDSO56, 0.300 INCH, 0.635 MM PITCH, GREEN, PLASTIC, SSOP-56, FIFO Original PDF
    SN74ACT7806DL Texas Instruments 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY Original PDF

    SN74ACT7806 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 W130 W255 W256
    Text: SN74ACT7806 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits


    Original
    PDF SN74ACT7806 SCAS438C 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil SN74ACT7804 SN74ACT7806 SN74ACT7814 W130 W255 W256

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 W130 W255 W256
    Text: SN74ACT7806 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits


    Original
    PDF SN74ACT7806 SCAS438C 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil SN74ACT7804 SN74ACT7806 SN74ACT7814 W130 W255 W256

    W256

    Abstract: SN74ACT7804 SN74ACT7806 SN74ACT7814 W130 W255
    Text: SN74ACT7806 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438A – APRIL 1992 – REVISED SEPTEMBER 1995 D D D D D D D D D D D Member of the Texas Instruments Widebus  Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits


    Original
    PDF SN74ACT7806 SCAS438A 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil W256 SN74ACT7806 SN74ACT7814 W130 W255

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 W130 W255 W256
    Text: SN74ACT7806 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438A – APRIL 1992 – REVISED SEPTEMBER 1995 D D D D D D D D D D D Member of the Texas Instruments Widebus  Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits


    Original
    PDF SN74ACT7806 SCAS438A 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil SN74ACT7806 SN74ACT7814 W130 W255 W256

    W129

    Abstract: No abstract text available
    Text: SN74ACT7806 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits


    Original
    PDF SN74ACT7806 SCAS438C 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil W129

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 W130 W255 W256 W129
    Text: SN74ACT7806 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits


    Original
    PDF SN74ACT7806 SCAS438C 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil SN74ACT7804 SN74ACT7806 SN74ACT7814 W130 W255 W256 W129

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 W130 W255 W256
    Text: SN74ACT7806 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits


    Original
    PDF SN74ACT7806 SCAS438C 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil SN74ACT7804 SN74ACT7806 SN74ACT7814 W130 W255 W256

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 W130 W255 W256
    Text: SN74ACT7806 256 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits


    Original
    PDF SN74ACT7806 SCAS438C 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil SN74ACT7804 SN74ACT7806 SN74ACT7814 W130 W255 W256

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 W256
    Text: SN74ACT7804 512 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS204C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 512 Words by 18 Bits


    Original
    PDF SN74ACT7804 SCAS204C 50-pF SN74ACT7806 SN74ACT7814 300-mil 25-mil SN74ACT7804 SN74ACT7806 SN74ACT7814 W256

    transistor AC126

    Abstract: equivalent transistor ac125 AC393 AC126 74AC393 AC365 AC682 d flip flop p6nk60z ACT03
    Text: HC Portfolio Comparison PART # AC00 ACT00 AC01 AC02 ACT02 AC03 ACT03 AC04 ACT04 ACU04 AC05 ACT05 AC07 AC08 ACT08 AC09 AC10 ACT10 AC11 ACT11 AC14 ACT14 AC20 ACT20 AC32 ACT32 AC74 ACT74 AC86 ACT86 AC107 AC109 ACT109 AC112 ACT112 AC123 AC125 ACT125 AC126 ACT126


    Original
    PDF ACT00 ACT02 ACT03 ACT04 ACU04 ACT05 ACT08 ACT10 ACT11 ACT14 transistor AC126 equivalent transistor ac125 AC393 AC126 74AC393 AC365 AC682 d flip flop p6nk60z ACT03

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814
    Text: SN74ACT7814 64 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS209C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 64 Words by 18 Bits


    Original
    PDF SN74ACT7814 SCAS209C 50-pF SN74ACT7804 SN74ACT7806 300-mil 25-mil SN74ACT7804 SN74ACT7806 SN74ACT7814

    Untitled

    Abstract: No abstract text available
    Text: SN74ALVC7806 256 x 18 LOW-POWER FIRST-IN, FIRST-OUT MEMORY SCAS591A – OCTOBER 1997 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Low-Power Advanced CMOS Technology Operates From 3-V to 3.6-V VCC Load Clock and Unload Clock Can Be


    Original
    PDF SN74ALVC7806 SCAS591A 50-pF SN74ACT7804, SN74ACT7806, SN74ACT7814 300-mil 25-mil

    ALVC7814-25

    Abstract: ALVC7814-40 SN74ACT7804 SN74ACT7806 SN74ACT7814 SN74ALVC7814
    Text: SN74ALVC7814 64 x 18 LOW-POWER FIRST-IN, FIRST-OUT MEMORY SCAS592A – OCTOBER 1997 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Low-Power Advanced CMOS Technology Operates From 3-V to 3.6-V VCC Load Clock and Unload Clock Can Be


    Original
    PDF SN74ALVC7814 SCAS592A 50-pF SN74ACT7804, SN74ACT7806, SN74ACT7814 300-mil 25-mil ALVC7814-25 ALVC7814-40 SN74ACT7804 SN74ACT7806 SN74ACT7814 SN74ALVC7814

    hct 4047 bt

    Abstract: SN74ALS679 FCT Fast CMOS TTL Logic 74LS 4075 7804 inverter SN74368A DTL Logic 4069 CMOS hex inverter SN502 CD74AC374
    Text: IMPORTANT NOTICE Texas Instruments and its subsidiaries TI reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold


    Original
    PDF SDYZ001A, SN74LS138D SN74LS138DR SN74LS138N SN74LS138N3 SN74LS138NSR images/sn74ls138 hct 4047 bt SN74ALS679 FCT Fast CMOS TTL Logic 74LS 4075 7804 inverter SN74368A DTL Logic 4069 CMOS hex inverter SN502 CD74AC374

    SN74ACT7814-20DLR

    Abstract: 1M7814-40DLG4 SN74ACT7804 SN74ACT7806 SN74ACT7814 SN74ACT7814-20DL
    Text: SN74ACT7814 64 x 18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS209C – APRIL 1992 – REVISED APRIL 1998 D D D D D D D D D D D Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 64 Words by 18 Bits


    Original
    PDF SN74ACT7814 SCAS209C 50-pF SN74ACT7804 SN74ACT7806 300-mil 25-mil SN74ACT7814-20DLR 1M7814-40DLG4 SN74ACT7804 SN74ACT7806 SN74ACT7814 SN74ACT7814-20DL

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 fr0171
    Text: SN74ACT7806 256 x 18 FIRST-IN, FIRST-OUT MEMORY SCAS436-APRIL 1992 DL PACKAGE TOP VIEW Member of the Texas Instruments W idebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident u RESET 1 D 17 2 55 ] Q 1 7 256 Words by 18 Bits D 16


    OCR Scan
    PDF SN74ACT7806 SCAS436-APRIL 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mll SN74ACT7806 SN74ACT7814 fr0171

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814
    Text: SN74ACT7806 256x18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438A - APRIL 1992 - REVISED SEPTEM B E R 1995 Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits Low-Power Advanced CMOS Technology


    OCR Scan
    PDF SN74ACT7806 256x18 SCAS438A 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil SN74ACT7806 SN74ACT7814

    Untitled

    Abstract: No abstract text available
    Text: SN74ACT7806 256 x 1 8 STROBED FIRST-IN, FIRST-OUT M EM OR Y S C AS 438A - APRIL 1992 - REVISED SEPTEMBER 1995 DL PACKAGE TOP VIEW M e m b e r of the Te x a s I n s t r u m e n t s W i d e b u s Fa mi l y Load Cl o c k and Unl oa d Cl ock Can Be A s y n c h r o n o u s or C o i n c i d e n t


    OCR Scan
    PDF SN74ACT7806 SN74ACT781

    Untitled

    Abstract: No abstract text available
    Text: SN74ACT7806 256x18 STROBED FIRST-IN, FIRST-OUT MEMORY SCAS438C - APRIL 1992 - REVISED APRIL 1998 I • I I • I ' • • • • • • • • • Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident


    OCR Scan
    PDF SN74ACT7806 256x18 SCAS438C SN74ACT7804 SN74ACT7814 D18-D35 Q18-Q35

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814
    Text: SN74ACT7806 256x18 STROBED FIRST-IN, FIRST-OUT MEMORY S C AS 438C - APRI L 1992 - REVISED A P R IL 1998 Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 256 Words by 18 Bits Low-Power Advanced CMOS Technology


    OCR Scan
    PDF SN74ACT7806 256x18 SCAS438C 50-pF SN74ACT7804 SN74ACT7814 300-mil 25-mil SN74ACT7806 SN74ACT7814

    ACT7804-20

    Abstract: SN74ACT7804 SN74ACT7806 SN74ACT7814
    Text: SN74ACT7804 512x18 STROBED FIRST-IN, FIRST-OUT MEMORY S C A S 2 0 4 A -A P R IL 1992 - REVISED S E P TEM B E R 1995 Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident 512 Words by 18 Bits Low-Power Advanced CMOS Technology


    OCR Scan
    PDF SN74ACT7804 512x18 SCAS204A 50-pF SN74ACT7806 SN74ACT7814 300-mil 25-mil ACT7804-20 SN74ACT7804 SN74ACT7814

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814
    Text: SN74ACT7814 64 x 18 FIRST-IN, FIRST-OUT MEMORY SCAS209 - APRIL 1992 D L PACKAGE TOP VIEW Member of the Texas Instruments Widebus Family Load Clock and Unload Clock Can Be Asynchronous or Coincident RESET [ 1 64 Words by 18 Bits Low-Power Advanced CMOS Technology


    OCR Scan
    PDF SN74ACT7814 SCAS209 50-pF SN74ACT7804 SN74ACT7806 300-mll 25-mil SN74ACT7806 SN74ACT7814

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 64X18
    Text: SN74ACT7814 64x18 STROBED FIRST-IN, FIRST-OUT MEMORY S C A S 2 0 9 A -A P R IL 1 9 9 2 - R EVISED SEPTE M B E R 1995 Member of the Texas Instruments Widebus Family DL PACKAGE TOP VIEW Load Clock and Unload Clock Can Be Asynchronous or Coincident RESET [ 1


    OCR Scan
    PDF SN74ACT7814 64x18 SCAS209A 50-pF SN74ACT7804 SN74ACT7806 300-mil 25-mil SN74ACT7806 SN74ACT7814 64X18

    SN74ACT7804

    Abstract: SN74ACT7806 SN74ACT7814 LG5C 20G22
    Text: SN74ACT7804 512 x 18 FIRST-IN, FIRST-OUT MEMORY SCAS204 -A P R IL 1992 DL PACKAGE TOP VIEW • Member of the Texas Instruments Widebus ,M Family • Load Clock and Unload Clock Can Be Asynchronous or Coincident RESET[ 1 D17 [ 2 • 512 Words by 18 Bits u


    OCR Scan
    PDF SN74ACT7804 SCAS204 50-pF SN74ACT7806 SN74ACT7814 300-mil 25-mil lbl723 SN74ACT7804 SN74ACT7814 LG5C 20G22