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

    AHC595 Search Results

    AHC595 Result Highlights (5)

    Part ECAD Model Manufacturer Description Download Buy
    SN74AHC595DBR Texas Instruments 8-Bit Shift Registers With 3-State Output Registers 16-SSOP -40 to 125 Visit Texas Instruments Buy
    SN74AHC595D Texas Instruments 8-bit shift registers with 3-state output registers 16-SOIC -40 to 125 Visit Texas Instruments
    SN74AHC595QPWRQ1 Texas Instruments Automotive Catalog 8-Bit Shift Registers With 3-State Output Registers 16-TSSOP -40 to 125 Visit Texas Instruments Buy
    SN74AHC595DRE4 Texas Instruments 8-Bit Shift Registers With 3-State Output Registers 16-SOIC -40 to 125 Visit Texas Instruments Buy
    SN74AHC595PWR Texas Instruments 8-Bit Shift Registers With 3-State Output Registers 16-TSSOP -40 to 125 Visit Texas Instruments Buy
    SF Impression Pixel

    AHC595 Price and Stock

    Nexperia 74AHC595D,118

    IC 8BIT SRL SHFT REGISTER 16SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 74AHC595D,118 Digi-Reel 20,105 1
    • 1 $0.42
    • 10 $0.291
    • 100 $0.2245
    • 1000 $0.18957
    • 10000 $0.18957
    Buy Now
    74AHC595D,118 Cut Tape 20,105 1
    • 1 $0.42
    • 10 $0.291
    • 100 $0.2245
    • 1000 $0.18957
    • 10000 $0.18957
    Buy Now
    74AHC595D,118 Reel 15,000 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.15494
    Buy Now
    Avnet Americas 74AHC595D,118 Reel 8 Weeks 7,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.13275
    Buy Now
    Mouser Electronics 74AHC595D,118 11,288
    • 1 $0.42
    • 10 $0.26
    • 100 $0.208
    • 1000 $0.19
    • 10000 $0.152
    Buy Now
    Rochester Electronics 74AHC595D,118 750 1
    • 1 $0.1218
    • 10 $0.1218
    • 100 $0.1145
    • 1000 $0.1035
    • 10000 $0.1035
    Buy Now
    TTI 74AHC595D,118 Reel 5,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.127
    Buy Now
    TME 74AHC595D,118 2,070 1
    • 1 $0.445
    • 10 $0.37
    • 100 $0.269
    • 1000 $0.188
    • 10000 $0.186
    Buy Now
    Avnet Asia 74AHC595D,118 7,500 8 Weeks 7,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Avnet Silica 74AHC595D,118 10 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    EBV Elektronik 74AHC595D,118 10 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    Nexperia 74AHC595BQ,115

    IC 8BIT SRL SHFT REGIST 16-HVQFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 74AHC595BQ,115 Cut Tape 13,102 1
    • 1 $0.48
    • 10 $0.333
    • 100 $0.2581
    • 1000 $0.21876
    • 10000 $0.21876
    Buy Now
    74AHC595BQ,115 Digi-Reel 13,102 1
    • 1 $0.48
    • 10 $0.333
    • 100 $0.2581
    • 1000 $0.21876
    • 10000 $0.21876
    Buy Now
    74AHC595BQ,115 Reel 9,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.20728
    Buy Now
    Avnet Americas 74AHC595BQ,115 Reel 27,000 8 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.21057
    Buy Now
    Mouser Electronics 74AHC595BQ,115 5,687
    • 1 $0.48
    • 10 $0.298
    • 100 $0.23
    • 1000 $0.212
    • 10000 $0.19
    Buy Now
    Newark 74AHC595BQ,115 Cut Tape 1,174 1
    • 1 $0.603
    • 10 $0.508
    • 100 $0.385
    • 1000 $0.248
    • 10000 $0.248
    Buy Now
    Rochester Electronics 74AHC595BQ,115 102,000 1
    • 1 $0.1733
    • 10 $0.1733
    • 100 $0.1629
    • 1000 $0.1473
    • 10000 $0.1473
    Buy Now
    TTI 74AHC595BQ,115 Reel 6,000 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.169
    Buy Now
    Avnet Asia 74AHC595BQ,115 3,000 8 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.15117
    Buy Now
    Avnet Silica 74AHC595BQ,115 10 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Chip1Stop 74AHC595BQ,115 Cut Tape 2,080
    • 1 -
    • 10 $0.341
    • 100 $0.175
    • 1000 $0.144
    • 10000 $0.143
    Buy Now
    EBV Elektronik 74AHC595BQ,115 3,000 10 Weeks 3,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    New Advantage Corporation 74AHC595BQ,115 24,000 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.22
    Buy Now

    Nexperia 74AHC595PW-Q100,11

    IC SHIFT REGISTER 8BIT 16TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 74AHC595PW-Q100,11 Cut Tape 6,975 1
    • 1 $0.55
    • 10 $0.39
    • 100 $0.3039
    • 1000 $0.25875
    • 10000 $0.25875
    Buy Now
    74AHC595PW-Q100,11 Digi-Reel 6,975 1
    • 1 $0.55
    • 10 $0.39
    • 100 $0.3039
    • 1000 $0.25875
    • 10000 $0.25875
    Buy Now
    74AHC595PW-Q100,11 Reel 2,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.24748
    Buy Now
    Avnet Americas 74AHC595PW-Q100,11 Reel 8 Weeks 5,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.19535
    Buy Now
    Mouser Electronics 74AHC595PW-Q100,11 3,495
    • 1 $0.55
    • 10 $0.349
    • 100 $0.282
    • 1000 $0.246
    • 10000 $0.218
    Buy Now
    Newark 74AHC595PW-Q100,11 Cut Tape 1,499 1
    • 1 $0.676
    • 10 $0.594
    • 100 $0.454
    • 1000 $0.288
    • 10000 $0.288
    Buy Now
    Rochester Electronics 74AHC595PW-Q100,11 7,760 1
    • 1 $0.184
    • 10 $0.184
    • 100 $0.173
    • 1000 $0.1564
    • 10000 $0.1564
    Buy Now
    TTI 74AHC595PW-Q100,11 Reel 5,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.189
    Buy Now

    Texas Instruments SN74AHC595PW

    IC SHIFT REGISTER 8BIT 16-TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey SN74AHC595PW Tube 2,882 1
    • 1 $1.11
    • 10 $0.804
    • 100 $1.11
    • 1000 $0.57367
    • 10000 $0.53455
    Buy Now
    Chip1Stop SN74AHC595PW Tube 43
    • 1 $1.02
    • 10 $0.739
    • 100 $0.739
    • 1000 $0.739
    • 10000 $0.739
    Buy Now
    Win Source Electronics SN74AHC595PW 248,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.274
    • 10000 $0.245
    Buy Now

    Diodes Incorporated 74AHC595S16-13

    AHC HIGH PIN COUNT SO-16
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey 74AHC595S16-13 Cut Tape 2,470 1
    • 1 $0.65
    • 10 $0.402
    • 100 $0.2579
    • 1000 $0.1775
    • 10000 $0.1775
    Buy Now
    74AHC595S16-13 Digi-Reel 2,470 1
    • 1 $0.65
    • 10 $0.402
    • 100 $0.2579
    • 1000 $0.1775
    • 10000 $0.1775
    Buy Now
    74AHC595S16-13 Cut Tape 1,085 1
    • 1 $0.69
    • 10 $0.412
    • 100 $0.2571
    • 1000 $0.17061
    • 10000 $0.17061
    Buy Now
    Avnet Americas 74AHC595S16-13 Reel 8 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.07183
    Buy Now
    Mouser Electronics 74AHC595S16-13 479
    • 1 $0.58
    • 10 $0.335
    • 100 $0.197
    • 1000 $0.169
    • 10000 $0.126
    Buy Now
    TME 74AHC595S16-13 1,428 5
    • 1 -
    • 10 $0.201
    • 100 $0.154
    • 1000 $0.131
    • 10000 $0.107
    Buy Now
    Avnet Silica 74AHC595S16-13 10 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    AHC595 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    HA595

    Abstract: No abstract text available
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373G − MAY 1997 − REVISED SEPTEMBER 2003 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373G 000-V A114-A) A115-A) SN54AHC595 SN74AHC595 AHC595 HA595

    HA595

    Abstract: No abstract text available
    Text: AHC595, AHC595 www.ti.com SCLS373J – MAY 1996 – REVISED JULY 2013 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS Check for Samples: AHC595, AHC595 FEATURES DESCRIPTION • • • The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373J AHC595 HA595

    SN74AHC595DR

    Abstract: SN74AHC595PWR
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I 000-V A114-A) A115-A) SN54AHC595 SN74AHC595 AHC595 SN74AHC595DR SN74AHC595PWR

    Untitled

    Abstract: No abstract text available
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I AHC595

    Untitled

    Abstract: No abstract text available
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I 000-V A114-A) A115-A) SN54AHC595 SN74AHC595 AHC595

    ha595

    Abstract: AHC595 A115-A C101 SN54AHC595 SN74AHC595 SN74AHC595DR SN74AHC595PWR
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I AHC595 ha595 A115-A C101 SN54AHC595 SN74AHC595 SN74AHC595DR SN74AHC595PWR

    SN74AHC595DR

    Abstract: SN74AHC595PWR
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I 000-V A114-A) A115-A) SN54AHC595 SN74AHC595 AHC595 SN74AHC595DR SN74AHC595PWR

    ahc595

    Abstract: No abstract text available
    Text: AHC595, AHC595 www.ti.com SCLS373J – MAY 1996 – REVISED JULY 2013 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS Check for Samples: AHC595, AHC595 FEATURES DESCRIPTION • • • The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373J AHC595

    ha595

    Abstract: A115-A AHC595 C101 SN54AHC595 SN74AHC595
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I AHC595 ha595 A115-A C101 SN54AHC595 SN74AHC595

    ha595

    Abstract: A115-A AHC595 C101 SN54AHC595 SN74AHC595
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373H − MAY 1997 − REVISED FEBRUARY 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373H AHC595 16plifiers ha595 A115-A C101 SN54AHC595 SN74AHC595

    ha595

    Abstract: A115-A AHC595 C101 SN54AHC595 SN74AHC595 SN74AHC595DR SN74AHC595PWR
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I AHC595 ha595 A115-A C101 SN54AHC595 SN74AHC595 SN74AHC595DR SN74AHC595PWR

    Untitled

    Abstract: No abstract text available
    Text: AHC595, AHC595 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS SCLS373D – MAY 1997 – REVISED NOVEMBER 1999 description The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The storage register has parallel


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373D MIL-STD-883, SN54AHC595 SN74AHC595

    ha595

    Abstract: A115-A AHC595 C101 SN54AHC595 SN74AHC595
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I AHC595 ha595 A115-A C101 SN54AHC595 SN74AHC595

    SN74AHC595DR

    Abstract: SN74AHC595PWR
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I 000-V A114-A) A115-A) SN54AHC595 SN74AHC595 AHC595 SN74AHC595DR SN74AHC595PWR

    ha595

    Abstract: A115-A AHC595 C101 SN54AHC595 SN74AHC595 SN74AHC595DR SN74AHC595PWR
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I AHC595 ha595 A115-A C101 SN54AHC595 SN74AHC595 SN74AHC595DR SN74AHC595PWR

    ha595

    Abstract: SN54AHC595 SN74AHC595 A115-A AHC595 C101
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I AHC595 ha595 SN54AHC595 SN74AHC595 A115-A C101

    Untitled

    Abstract: No abstract text available
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I 000-V A114-A) A115-A) SN54AHC595 SN74AHC595 AHC595

    SN74AHC595DR

    Abstract: SN74AHC595PWR
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I 000-V A114-A) A115-A) SN54AHC595 SN74AHC595 AHC595 SN74AHC595DR SN74AHC595PWR

    ha595

    Abstract: AHC595
    Text: AHC595, AHC595 8ĆBIT SHIFT REGISTERS WITH 3ĆSTATE OUTPUT REGISTERS SCLS373I − MAY 1997 − REVISED JUNE 2004 QB QC QD QE QF QG QH GND description/ordering information The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373I 000-V A114-A) A115-A) SN54AHC595 SN74AHC595 AHC595 ha595

    AHC595

    Abstract: SN54AHC595 SN74AHC595 scls373a
    Text: AHC595, AHC595 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS SCLS373A – MAY 1997 – REVISED JUNE 1997 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 VCC QA SER OE RCLK SRCLK SRCLR QH′ AHC595 . . . FK PACKAGE TOP VIEW QD QE NC QF QG 4 3 2 1 20 19


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373A SN54AHC595 SN54AHC595 SN74AHC595 AHC595 scls373a

    ha595

    Abstract: A115-A AHC595 C101 SN54AHC595 SN74AHC595
    Text: AHC595, AHC595 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS SCLS373F – MAY 1997 – REVISED MARCH 2002 QB QC QD QE QF QG QH GND description The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373F AHC595 11reproduction ha595 A115-A C101 SN54AHC595 SN74AHC595

    AHC595

    Abstract: SN54AHC595 SN74AHC595
    Text: AHC595, AHC595 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS SCLS373E – MAY 1997 – REVISED JANUARY 2000 description The ’AHC595 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The storage register has parallel


    Original
    PDF SN54AHC595, SN74AHC595 SCLS373E AHC595 SN54AHC5customer SN54AHC595 SN74AHC595

    Untitled

    Abstract: No abstract text available
    Text: AHC595, AHC595 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS S C LS 373C - MAY 1997 - R EVISED N O VE M B ER 1998 • Operating Range 2-V to 5.5-V Vcc • EPIC Enhanced-Performance Implanted CMOS Process • 8-Bit Serial-ln, Parallel-Out Shift


    OCR Scan
    PDF SN54AHC595, SN74AHC595 MIL-STD-883, SN54AHC595 SN74AHC595

    Untitled

    Abstract: No abstract text available
    Text: AHC595, AHC595 8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS SCLS373B - MAY 1997 - REVISED JULY 1998 • Operating Range 2-V to 5.5-V Vc c • EPIC Enhanced-Performance Implanted CMOS Process • 8-Bit Serial-ln, Parallel-Out Shift Qb [ 1 U


    OCR Scan
    PDF SN54AHC595, SN74AHC595 SCLS373B SN54AHC595 SN74AHC595