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

    HCT 541A Search Results

    HCT 541A Result Highlights (5)

    Part ECAD Model Manufacturer Description Download Buy
    DCL541A01
    Toshiba Electronic Devices & Storage Corporation Digital Isolator / VDD=2.25~5.5V / 150Mbps / 4 channel(F:R=3:1) / Default Output Logic: Low / Input disable Visit Toshiba Electronic Devices & Storage Corporation
    74VHCT541AFT
    Toshiba Electronic Devices & Storage Corporation CMOS Logic IC, Octal Buffer, TSSOP20B Visit Toshiba Electronic Devices & Storage Corporation
    SN74HCT04PWRG4
    Texas Instruments HCT SERIES, HEX 1-INPUT INVERT GATE, PDSO14, GREEN, PLASTIC, TSSOP-14 Visit Texas Instruments
    CY74FCT541ATSOCT
    Texas Instruments Octal Buffers and Line Drivers with 3-State Outputs 20-SOIC -40 to 85 Visit Texas Instruments Buy
    SN74LVC541ADBR
    Texas Instruments Octal Buffer/Driver With 3-State Outputs 20-SSOP -40 to 125 Visit Texas Instruments Buy
    SF Impression Pixel

    HCT 541A Price and Stock

    Toshiba America Electronic Components 74VHCT541AFT

    IC BUF NON-INVERT 5.5V 20TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () 74VHCT541AFT Cut Tape 7,186 1
    • 1 $0.43
    • 10 $0.3
    • 100 $0.2313
    • 1000 $0.19584
    • 10000 $0.19584
    Buy Now
    74VHCT541AFT Digi-Reel 7,186 1
    • 1 $0.43
    • 10 $0.3
    • 100 $0.2313
    • 1000 $0.19584
    • 10000 $0.19584
    Buy Now
    74VHCT541AFT Reel 5,000 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.17314
    Buy Now
    Avnet Americas () 74VHCT541AFT Reel 5,000 20 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.1472
    Buy Now
    74VHCT541AFT Reel 5,000 20 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.1472
    Buy Now
    Mouser Electronics 74VHCT541AFT 8,311
    • 1 $0.43
    • 10 $0.295
    • 100 $0.228
    • 1000 $0.193
    • 10000 $0.168
    Buy Now

    Rochester Electronics LLC MC74HCT541AFELG

    IC BUF NON-INVERT 5.5V SOEIAJ-20
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey MC74HCT541AFELG Bulk 7,078 624
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.48
    • 10000 $0.48
    Buy Now

    onsemi 74VHCT541AMX

    IC BUF NON-INVERT 5.5V 20SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () 74VHCT541AMX Cut Tape 2,741 1
    • 1 $1.08
    • 10 $0.778
    • 100 $0.6205
    • 1000 $0.56014
    • 10000 $0.56014
    Buy Now
    74VHCT541AMX Digi-Reel 2,741 1
    • 1 $1.08
    • 10 $0.778
    • 100 $0.6205
    • 1000 $0.56014
    • 10000 $0.56014
    Buy Now
    74VHCT541AMX Reel 2,000 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.5576
    • 10000 $0.45763
    Buy Now
    Mouser Electronics 74VHCT541AMX 578
    • 1 $1.03
    • 10 $0.754
    • 100 $0.609
    • 1000 $0.489
    • 10000 $0.457
    Buy Now
    Newark 74VHCT541AMX Reel 1,000
    • 1 $0.63
    • 10 $0.63
    • 100 $0.63
    • 1000 $0.63
    • 10000 $0.55
    Buy Now
    Rochester Electronics 74VHCT541AMX 90 1
    • 1 -
    • 10 -
    • 100 $0.62
    • 1000 $0.5146
    • 10000 $0.4588
    Buy Now
    EBV Elektronik 74VHCT541AMX 11 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Flip Electronics 74VHCT541AMX 658
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    onsemi MC74HCT541ADWR2G

    IC BUF NON-INVERT 5.5V 20SOIC
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () MC74HCT541ADWR2G Digi-Reel 1,352 1
    • 1 $0.78
    • 10 $0.557
    • 100 $0.4395
    • 1000 $0.39228
    • 10000 $0.39228
    Buy Now
    MC74HCT541ADWR2G Cut Tape 1,352 1
    • 1 $0.78
    • 10 $0.557
    • 100 $0.4395
    • 1000 $0.39228
    • 10000 $0.39228
    Buy Now
    Mouser Electronics MC74HCT541ADWR2G 1,947
    • 1 $0.78
    • 10 $0.557
    • 100 $0.44
    • 1000 $0.359
    • 10000 $0.272
    Buy Now
    Newark () MC74HCT541ADWR2G Cut Tape 252 1
    • 1 $1.21
    • 10 $0.751
    • 100 $0.493
    • 1000 $0.385
    • 10000 $0.385
    Buy Now
    MC74HCT541ADWR2G Reel 1,000
    • 1 $0.361
    • 10 $0.361
    • 100 $0.361
    • 1000 $0.361
    • 10000 $0.325
    Buy Now
    Bristol Electronics MC74HCT541ADWR2G 39
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Rochester Electronics MC74HCT541ADWR2G 29,000 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    TME MC74HCT541ADWR2G 1
    • 1 $0.59
    • 10 $0.517
    • 100 $0.368
    • 1000 $0.359
    • 10000 $0.359
    Get Quote
    Avnet Silica MC74HCT541ADWR2G 10 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    EBV Elektronik MC74HCT541ADWR2G 11 Weeks 1,000
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    Flip Electronics MC74HCT541ADWR2G 61,999
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    New Advantage Corporation MC74HCT541ADWR2G 2,000 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.3167
    • 10000 $0.2923
    Buy Now

    onsemi MC74HCT541ADTR2G

    IC BUF NON-INVERT 5.5V 20TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey () MC74HCT541ADTR2G Digi-Reel 435 1
    • 1 $0.63
    • 10 $0.444
    • 100 $0.3473
    • 1000 $0.30233
    • 10000 $0.30233
    Buy Now
    MC74HCT541ADTR2G Cut Tape 435 1
    • 1 $0.63
    • 10 $0.444
    • 100 $0.3473
    • 1000 $0.30233
    • 10000 $0.30233
    Buy Now
    Mouser Electronics MC74HCT541ADTR2G 365
    • 1 $0.63
    • 10 $0.444
    • 100 $0.348
    • 1000 $0.275
    • 10000 $0.172
    Buy Now
    Newark MC74HCT541ADTR2G Reel 2,500
    • 1 $0.231
    • 10 $0.231
    • 100 $0.231
    • 1000 $0.231
    • 10000 $0.208
    Buy Now
    Bristol Electronics () MC74HCT541ADTR2G 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    MC74HCT541ADTR2G 147 7
    • 1 -
    • 10 $0.75
    • 100 $0.4875
    • 1000 $0.2812
    • 10000 $0.2812
    Buy Now
    Rochester Electronics MC74HCT541ADTR2G 67,800 1
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Avnet Silica MC74HCT541ADTR2G 10 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now
    EBV Elektronik MC74HCT541ADTR2G 11 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    HCT 541A Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    hcf 4052 datasheet

    Abstract: 4536b 74 HC 273A 4026B data sheet 4013B applications 4046b 4039B 40106B C3245 40147B
    Contextual Info: CMOSultbis 28-06-2001 17:44 Pagina 1 The complete CMOS Logic Source Standard Logic Selection Guide CMOSultbis 28-06-2001 17:44 Pagina 2 FUNCTION SELECTOR HC/HCT,AC/ACT,VHC/VHCT, LCX,LVQ,LVX,VCX, LVC,V2G,V2T, V1G,V1T STANDARD CODE FUNCTION GATE BUFFER CMOS 4000B STANDARD CODE


    Original
    4000B 4011B, 4012B, 4023B, 4068B, 40107B 4000B, 4001B, 4002B, 4025B hcf 4052 datasheet 4536b 74 HC 273A 4026B data sheet 4013B applications 4046b 4039B 40106B C3245 40147B PDF

    T164A

    Abstract: 4072A T139A 112AP T688AP 123AP 423AP 4316AP 27AP DIP packaged quad nor
    Contextual Info: C2MOS Logic TC74HC/HCT Series Product Guide 1. High Speed C M O S Product Guide Type Number Function Pin Page TC74HC OOAP/AF/AFN TOOAP/AF 02AP/AF/AFN T02AP/AF 03AP/AF/AFN 04AP/AF/AFN T04AP/AF/AFN U04AP/AF/AFN 05AP/AF 07AP/AF QUAD 2-INPUT NAND GATE QUAD 2-INPUT NAND GATE


    OCR Scan
    TC74HC/HCT TC74HC 02AP/AF/AFN T02AP/AF 03AP/AF/AFN 04AP/AF/AFN T04AP/AF/AFN U04AP/AF/AFN 05AP/AF 07AP/AF T164A 4072A T139A 112AP T688AP 123AP 423AP 4316AP 27AP DIP packaged quad nor PDF

    HC 4066A

    Abstract: CMOS 4001, 4011, 4070 and 4081 HC 4053A HC165A HC 4052A HC589A HC00A HC74A 4852A HC 125A
    Contextual Info: BUFFERS/INVERTERS ÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ ÎÎÎÎÎ


    Original
    HC4046A HC4538A HC 4066A CMOS 4001, 4011, 4070 and 4081 HC 4053A HC165A HC 4052A HC589A HC00A HC74A 4852A HC 125A PDF

    74HC541A

    Abstract: 74HC540A
    Contextual Info: TOSHIBA TC74HC540AP/AF/AFW TC74HC541AP/AF/AFW Octal Bus Buffer TC74HC540A Inverting, 3-State Outputs TC74HC541A Non-Inverting, 3-State Outputs The TC74HC540A/TC74HC541A are high speed CMOS OCTAL BUS BUFFERS fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent


    OCR Scan
    TC74HC540AP/AF/AFW TC74HC541AP/AF/AFW TC74HC540A TC74HC541A TC74HC540A/TC74HC541A TC75HC540A 74HC541A 74HC540A PDF

    74 HC 273A

    Abstract: hcf 4052 datasheet 4026B data sheet HC 40106 4039B 4027B 4093B 4013B 4081b DATAsheet 4022B
    Contextual Info: 3.3V SYMBOL Vcc LCX WITH 5V INPUT/OUTPUT TOLERANCE PARAMETER VALUE UNIT 2.7 to 3.6 V Input Voltage 0 to 5.5 V SO Tube 74LCXxxxM Operating Temperature -40 to 85 °C SO (T&R) 74LCXxxxMTR 24 mA TSSOP (Tube) 74LCXxxxT* 4 (TYP)* ns TSSOP (T&R) 74LCXxxxTTR 74LCX16xxxTTR 74LCX16xxxATTR


    Original
    74LCXxxxM 74LCXxxxMTR 74LCXxxxT* 74LCXxxxTTR 74LCX16xxxTTR 74LCX16xxxATTR 74LCX16xxxT* 74LCX 74 HC 273A hcf 4052 datasheet 4026B data sheet HC 40106 4039B 4027B 4093B 4013B 4081b DATAsheet 4022B PDF

    4541B

    Abstract: 4098B 40106B 4034b hcf 4052 datasheet rs 4011b 4039B 4013B 4009UB logos 4012B
    Contextual Info: LO 2.5V Vi Top Io Tpd VO With 3.6V Input/Output Tolerance SYMBOL Vcc W VCX VERY HIGH SPEED LOGIC PARAMETER VALUE UNIT 1.8 to 3.6 V Input Voltage 0 to 3.6 V Operating Temperature -40 to 85 °C 24 mA @ Vcc= 2.3V 18 mA @ Vcc= 1.8V 6 mA 3.2* ns Supply Voltage


    Original
    4000B 4030B, 4070B 4069UB, 4502B 4007UB, 4009UB, 4010B, 4041UB, 4077B 4541B 4098B 40106B 4034b hcf 4052 datasheet rs 4011b 4039B 4013B 4009UB logos 4012B PDF

    ACT 4060A

    Abstract: 74hc4046B inverter welder schematic mc146805g 14050B CI 4584 hc132a 4011 nand gate IC hc4049 74HC86
    Contextual Info: DL129/D Rev. 7, Mar-2000 ON Semiconductor High-Speed CMOS Data ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC SCILLC . SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does


    Original
    DL129/D Mar-2000 r14525 DL129 ACT 4060A 74hc4046B inverter welder schematic mc146805g 14050B CI 4584 hc132a 4011 nand gate IC hc4049 74HC86 PDF

    inverter welder schematic

    Abstract: ACT 4060A HC00A motorola inverter welder schematic diagram 4001 4011 cmos hc273a motorola inverter welder 4 schematic 4070 CMOS XOR 4046 as FM demodulator 4046 PLL Designers Guide
    Contextual Info: DL129/D Rev. 7, Mar-2000 ON Semiconductor High-Speed CMOS Data ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC SCILLC . SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does


    Original
    DL129/D Mar-2000 r14525 DL129 inverter welder schematic ACT 4060A HC00A motorola inverter welder schematic diagram 4001 4011 cmos hc273a motorola inverter welder 4 schematic 4070 CMOS XOR 4046 as FM demodulator 4046 PLL Designers Guide PDF

    74VHCT540AFT

    Contextual Info: 74VHCT540AFT,74VHCT541AFT CMOS Digital Integrated Circuits Silicon Monolithic 74VHCT540AFT,74VHCT541AFT 1. Functional Description • Octal Bus Buffer 74VHCT540AFT: INVERTED, 3-STATE OUTPUTS 74VHCT541AFT: NON-INVERTED, 3-STATE OUTPUTS 2. General The 74VHCT540AFT and 541AFT are advanced high speed CMOS OCTAL BUS BUFFERs fabricated with


    Original
    74VHCT540AFT 74VHCT541AFT 74VHCT540AFT: 74VHCT541AFT: 541AFT 74VHCT541AFT PDF

    Contextual Info: 74VHCT540AFT,74VHCT541AFT CMOS Digital Integrated Circuits Silicon Monolithic 74VHCT540AFT,74VHCT541AFT 1. Functional Description • Octal Bus Buffer 74VHCT540AFT: INVERTED, 3-STATE OUTPUTS 74VHCT541AFT: NON-INVERTED, 3-STATE OUTPUTS 2. General The 74VHCT540AFT and 541AFT are advanced high speed CMOS OCTAL BUS BUFFERs fabricated with


    Original
    74VHCT540AFT 74VHCT541AFT 74VHCT540AFT: 74VHCT541AFT: 541AFT 74VHCT541AFT PDF

    MM74HC

    Abstract: M74HC 4048B 74LVQ00 4041UB 4069UB 4098B 40100B 4541B mm74hc153
    Contextual Info: November ‘99 LCX LOW VOLTAGE LOGIC 3.3V With 5V Input/Output Tolerance SYMBOL Vcc Vi Top PARAMETER VALUE UNIT 2.7 to 3.6 V Input Voltage 0 to 5.5 V Operating Temperature -40 to 85 °C 24 mA 4 TYP * ns Supply Voltage Io Output Current tpd Delay Time @ Vcc=3.3v


    Original
    74LCXxxxxxM 74LCXxxxxxMTR 74LCXxxxxxTTR 74LCX MM74HC M74HC 4048B 74LVQ00 4041UB 4069UB 4098B 40100B 4541B mm74hc153 PDF

    hd29050 hsop

    Abstract: HD29050 hd2904 HD29050 H-SOP20 HD63084 hd29050 20 pin hd75107 74XXX244 HD151005 HE98134
    Contextual Info: PRODUCTS LINE-UP 製品ラインアップ 3-1 PRODUCTS LINE-UP 3Vシリーズ シリーズ 3-2 PRODUCTS LINE-UP LV-Aシリーズ シリーズ 3-3 PRODUCTS LINE-UP 標準ロジック公表値の比較 HC LV LV-A AHC VHC 電源電圧 Vcc Vcc=2.5V スペック


    Original
    23ns/4 115ns/2V 16mA/5V 18ns/2 HD74CDC2510B/F2510B PC-100 74CDC2509B TSSOP-24 74CDC2510B hd29050 hsop HD29050 hd2904 HD29050 H-SOP20 HD63084 hd29050 20 pin hd75107 74XXX244 HD151005 HE98134 PDF

    26c32a

    Abstract: schematic thyristor based inverter LV1GW16A 151011 IC TSSOP-24 ASSP for Power Management Applications working of IC 4017 inverter t 151011 174 HC 4053A HC 4066A RJP4002ANS
    Contextual Info: 2008.11 Renesas General-Purpose Logic ICs General Catalog www.renesas.com Full Lineup of General-Purpose Logic IC Matching with Advanced Needs The extended Renesas General Logic g lineup p fullyy covers customers' various needs. Indeed, our General-Purpose Logic technology has been tailor-made for the IT era by


    Original
    REJ01D0002-0300 26c32a schematic thyristor based inverter LV1GW16A 151011 IC TSSOP-24 ASSP for Power Management Applications working of IC 4017 inverter t 151011 174 HC 4053A HC 4066A RJP4002ANS PDF

    germanium

    Abstract: 74HC244A 74HC589 ALI M 3329 B1 74HC163
    Contextual Info: High-Speed CMOS Data Function Selector Guide Design Considerations Device Data Sheets [3 Ordering Information [4 W H A T ’S NEW ! DATA SHEETS ADDED DATASHEETS DELETED MC74HCU04A MC54/74HC390A MC54/74HC08 MC54/74HCT541 MC74HC76 MC54/74HC393A MC54/74HC540


    OCR Scan
    MC74HCU04A MC54/74HC390A MC54/74HC08 MC54/74HCT541 MC74HC76 MC54/74HC393A MC54/74HC540 MC74HC4020 MC54/74HC86A MC54/74HC533A germanium 74HC244A 74HC589 ALI M 3329 B1 74HC163 PDF

    HCT541

    Contextual Info: MC74HCT541A Octal 3-State Non-Inverting Buffer/Line Driver/ Line Receiver With LSTTL-Compatible Inputs http://onsemi.com High−Performance Silicon−Gate CMOS The MC74HCT541A is identical in pinout to the LS541. This device may be used as a level converter for interfacing TTL or NMOS


    Original
    MC74HCT541A LS541. HCT541A PDIP-20 MC74HCT541AN SOIC-20 TSSOP-20 MC74HCT541A/D HCT541 PDF

    Contextual Info: MC74HCT541A Octal 3-State Non-Inverting Buffer/Line Driver/ Line Receiver With LSTTL-Compatible Inputs http://onsemi.com High−Performance Silicon−Gate CMOS The MC74HCT541A is identical in pinout to the LS541. This device may be used as a level converter for interfacing TTL or NMOS


    Original
    MC74HCT541A MC74HCT541A LS541. HCT541A MC74HCT541A/D PDF

    HCT541A

    Abstract: LS541 MC74HCT541A MC74HCT541AN 74HCT541A
    Contextual Info: MC74HCT541A Octal 3−State Non−Inverting Buffer/Line Driver/ Line Receiver With LSTTL−Compatible Inputs http://onsemi.com High−Performance Silicon−Gate CMOS The MC74HCT541A is identical in pinout to the LS541. This device may be used as a level converter for interfacing TTL or NMOS


    Original
    MC74HCT541A MC74HCT541A LS541. HCT541A PDIP-20 MC74HCT541AN MC74HCT541A/D LS541 MC74HCT541AN 74HCT541A PDF

    74BC645

    Abstract: 74bc244 BC242 bc540 BC541 BC244 bc574 BC240 bc564 BC241
    Contextual Info: Bi-CMOS Logic TD74ABT/TD74BC Series Toshiba Bi-CMOS Logic TD74ABT / TD74BC Series Outline , High-speed bus systems based on today s advanced CPUs require more than just standard logic. In particular, the bus interfaces of such systems demand very high-performance devices. To meet these needs, Toshiba


    Original
    TD74ABT/TD74BC TD74ABT TD74BC 74ABT 74BC244 74BC645 74bc244 BC242 bc540 BC541 BC244 bc574 BC240 bc564 BC241 PDF

    Contextual Info: Philips Semiconductors Concise Catalogue 1996 INTEGRATED CIRCUITS GENERAL PURPOSE LOGIC Low-voltage series FIVE NEW LOW-VOLTAGE LOGIC FAMILIES Philips has introduced four low-voltage CMOS logic families and one new low-voltage BiCMOS family to complement their existing range of logic ICs: LV-HCMOS, LVC/LVC-A/LVC16, HLL, ALVC and LVT/LVT16. All five families are


    OCR Scan
    LVC/LVC-A/LVC16, LVT/LVT16. LVC/LVC-A/LVC16 ALVC16 LVT16 20-bit PDF

    hall marking code A04

    Abstract: M143206EVK differences uc3842a uc3842b toshiba satellite laptop battery pinout 2N3773 audio amplifier diagram toshiba laptop battery pack pinout BC413 motorola transistor sj 5812 M68HC705X16 ABB inverter motor fault code
    Contextual Info: Introduction Advanced Digital r i Consumer Products L-l Microcomputer Components [2 Logic: Standard, Special p , and Programmable I-5* Analog and Interface Integrated Circuits Semiconductor r= Components Group L5 Product Literature and r~ Technical Training L”


    OCR Scan
    2PHX14226-31 hall marking code A04 M143206EVK differences uc3842a uc3842b toshiba satellite laptop battery pinout 2N3773 audio amplifier diagram toshiba laptop battery pack pinout BC413 motorola transistor sj 5812 M68HC705X16 ABB inverter motor fault code PDF