Chip circuito integrato

Circuiti integrati digitali serie 74

Circuiti integrati digitali serie CD40

Accoppiatori ottici

Orologio e calcolatrice di circuiti integrati

Amplificatori operazionali

Interruttore di accensione circuito integrato

Driver circuito integrato

Memoria flash

Memoria

Audio speciale

Clock/ Timing - Specifico per l'applicazione

Clock/ Timing - Drivers, buffer orologio

Clock/ Timing - Generatori orologio, PLL, sintetizzatori di frequenza

Clock/ Timing - Linee di ritardo

Clock/ Timing - Batterie circuito integrato

Clock/ Timing - Oscillatori e Timer programmabili

Clock/ Timing - Clock in Real Time

Acquisizione dati - ADC / DAC - Scopo speciale

Acquisizione dati - Front end analogico (AFE)

Acquisizione dati - Convertitore da analogico a digitale (ADC)

Acquisizione dati - Potenziometro digitale

Acquisizione dati - Convertitore da digitale ad analogico (ADC)

Acquisizione dati - Controller Touch-screen

Incorporato - CPLD (dispositivi logici programmabili complessi)

Incorporato - DSP ( processori segnali digitali)

Incorporato - FPGA ( dispositivi programmabili)

Incorporato - FPGA ( dispositivi programmabili) con microcontroller

Incorporato - Microcontroller, Microprocessori, Moduli FPGA

Incorporato - Microcontroller

Incorporato - Microcontroller - Specifica Applicazione

Incorporato - Microprocessori

Incorporato - PLD (dispositivo logico programmabile)

Incorporato - Sistema su chip (SoC)

Interfaccia - Interruttori analogici - Scopo speciale

Interfaccia - Interruttori analogici, multiplexer, demultiplexer

Interfaccia - CODEC

Interfaccia - Controller

Interfaccia - Sintesi digitale diretta (DSS)

Interfaccia - Driver, Ricevitori, Transceiver

Interfaccia - Codificatori, Decodificatori, Convertitori

Interfaccia - Filtri - Attivi

Interfaccia - Espansori I / O

Interfaccia - Modem - CI e moduli

Interfaccia - Moduli

Interfaccia - Interfacce sensore e rilevatore

Interfaccia - Sensore, Touch Capacitivo

Interfaccia - Serializzatori, Deserializzatori

Interfaccia - Buffer di segnale, Ripetitori, Splitter

Interfaccia - Terminatori di segnale

Interfaccia - Specializzato

Interfaccia - Telecom

Interfaccia - UART (Trasmettitore Asincrono Universale del Ricevitore)

Interfaccia - Registrazione e Riproduzione vocale

Lineare - Amplificatori - Audio

Lineari - Amplificatori - Strumentazione, Amplificatori operazionali, Amplificatori buffer

Linear - Amplificatore - Scopo speciale

Lineare - Amplificatore - Amplificatore Video e Moduli

Lineari - Moltiplicatori analogici, Divisori

Lineare - Comparatori

Lineare - Elaborazione video

Logica - Buffer, Driver, Ricevitori, Transceiver

Logica - Comparatori

Logica - Contatori, Divisori

Logica - Memoria FIFO

Logica - Flip Flops

Logica - Gate e Inverter

Logica - Gate e Inverter - Multifunzione, Configurabile

Logica - Latch

Logica - Multivibratori

Logica - Generatori e Controllori di parità

Logica - Registri a scorrimento

Logica - Interruttori di segnale, Multiplexer, Decodificatori

Logica - Logica speciale

Logica - Traduttori, Cambi di livello

Logica - Funzioni Bus Universale

Memoria - Batterie

Memoria - Proms di configurazione per FPGA

Memoria - Controller

PMIC - Convertitori ca-cc, Commutatori offline

PMIC - Caricabatterie

PMIC - Gestione della batteria

PMIC - Regolamentazione / Gestione attuale

PMIC - Driver di visualizzazione

PMIC - Misurazione dell'energia

PMIC - Driver full-half-bridge

PMIC - Drivers Gate

PMIC - Controller Hot Swap

PMIC - Driver laser

PMIC - Driver LED

PMIC - Illuminazione, Regolatori di zavorra

PMIC - Driver per motori, Controller

PMIC - Controller OR, Diodi ideali

PMIC - PFC (correzione del fattore di potenza)

PMIC - Interruttori di distribuzione dell'alimentazione, Driver di caricamento

PMIC - Power Management - Specializzato

PMIC - Controller Power Over Ethernet (PoE)

PMIC - Controller di alimentazione, Monitor

PMIC - Convertitori da RMS a CC

PMIC - Supervisori

PMIC - Gestione termica

PMIC - Convertitori V / F e F / V

PMIC - Riferimento di tensione

PMIC - Regolatori di tensione - Controllori a commutazione cc-cc

PMIC - Regolatori di tensione - Regolatori a commutazione cc-cc

PMIC - Regolatori di tensione - Lineari

PMIC - Regolatori di tensione - Lineari + commutazione

PMIC - Regolatori di tensione - Controllori regolatori lineari

PMIC - Regolatori di tensione - Scopo speciale

CI Specializzati

Moduli

IGBT

IPM

Tiristori

Raddrizzatori

Alimentazione elettrica

Modulo Smart Power

SCR, GTO e Diodo

FET

Transistor Darlington

Moduli RF

PRODOTTI CNC

CODIFICATORE

Motore

Servo Drive & Amplificatore & Servo

Modulo Diodo

Modulo Transistor

Relè di Commutazione

PLC

Invertitore

Contattore e Interruttore

Scheda Ascensore

Controllo Settore

Transistor

Diodo

Transistor bipolari

resistenze

Resistori a film di carbonio

Resistori di cemento

Resistori per montaggio su telaio

Resistore a chip - Montaggio superficiale

Resistori rilevatori di corrente

Resistore a chip fusibile

Resistori SMD ad alta precisione e bassa TCR

Resistori ad alta tensione

Resistori a strisce LED

Resistori MELF

Resistori in lega metallica

Resistori a film metallico (TH)

Resistori di smalto metallico

Resistori a film di ossido di metallo

Resistori all'ossido di metallo

Termistori NTC

Termistori PTC

Fotoresistenze

Potenziometri e resistori variabili

Potenziometro di precisione

Reti e array di resistori

Reti e array di resistori (TH)

Resistori Ultrabassi (SMD)

Resistori variabili

Varistori

Resistori ad avvolgimento

Condensatori

Condensatori elettrolitici in alluminio - SMD

Condensatore CL21

Condensatori a dischi ceramici

Condensatori ad alta tensione

Condensatore in film di poliestere metallizzato

Condensatori ceramici multistrato MLCC - Piombo

Condensatori ceramici multistrato MLCC - SMD&SMT

Condensatore di Mylar

Condensatori all'ossido di niobio

Condensatori a film di poliestere

Condensatore elettrolitico polimero solido

Supercondensatori e Ultracondensatori

Condensatori di soppressione

Condensatori al tantalio

Trimmer, condensatori variabili

Induttori e trasformatori di ferrite

Antenne

Trasformatori di correnti

Induttori Generali (TH)

Induttori HF

Induttori (SMD)

Filtro LINE

Induttori di potenza

Trasformatore di potenza

Trasformatore RJ45

Induttore radiale (TH)

Gli induttori circolari

Crystals

49S

49SMD

49U

Risonatori ceramici

Oscillatori DIP (XO)

Cristalli a cilindro radiale

Risuonatori SAW

Cristalli SMD

Oscillatori SMD (XO)

Connettori

Connettori AV

Connettori audio e video

Connettori a banana e punta

Connettori bordo scheda

Connettori circolari

Connettore - Prese per schede

Connettori

Connettori-Accessori

Connettori- Alloggiamenti

Contatti

Connettori D-Sub

Connettori Ethernet&Connettori modulari

Connettori FFC, FPC (flessibile piatto)

Connettori in fibra ottica

Prese per circuiti integrati e componenti

Tubi luminosi a LED

Connettori mezzanine (da scheda a scheda)

Connettori PCB - Basette, pin maschio

Connettori PCB - Basette, prese, prese femmina

Connettori PCB - Alloggiamenti

Connettori di alimentazione

Connettori RF&Connettori coassiali

Shunt e ponticelli

Morsettiere - Accessori

Morsettiere - Blocchi a barriera

Morsettiere - Din Rail, canale

Morsettiere - Basette, spine e prese

Terminali

Clip di prova

Punti di prova&anelli di prova

Connettori USB

Connettori non specificati

Cablaggio a vite

Cablaggio a molla

Morsettiere innestabili

Morsettiere passanti

Terminali automobilistici

Alloggiamenti terminali, guaine isolanti e blocchi

Connettori e terminali per cavi a scollegamento rapido

Utensili di ricambio e usura

Connettori automobilistici

Connettori PCB

Accesso

3. Entra in "Account"-˃ " Le mie richieste" e controlla lo stato delle tue richieste

Dear customers, due to the implementation of the GDPR policy in Europe, UTSOURCE has also made adjustment accordingly to meet the policy requirements. Please read the new privacy policy carefully and this window will no longer pop up after you accept it.

Sono d'accordo tutti UTSOURCE Termini e condizioni,Informativa sulla Privacy
Agree Later Invia

Delivery Address

Alternate Text

+ Aggiungi l'indirizzo

Conferma

Nuovo indirizzo di spedizione

*Paese/Regione :
*Destinatario :
*Cellulare:
+

* Si prega di inserire correttamente il numero di cellulare per assicurarsi di poter ricevere le informazioni di tracciamento in tempo.

Codice paese
*Strada :
*Città :
Provincia / Stato :
*Provincia / Stato :
*Codice postale :
Please enter a new 5-digit zip code..
Nome della ditta :
Annulla
Invia

Logica - Contatori, Divisori

Filtri
clear
Alternate Text
il numero di prodotti correlati: 1807
Alternate Text Utsource
74HC4040

Enlarge

Used and refurbished parts guaranteed can work well

74HC4040

DIP-16

STMicroelectronics

74HC/HCT4040; 12-stage Binary Ripple Counter

Utsource

≥1:

€0.65869

€0.59282

≥5:

€0.52695

€0.47425

≥10:

€0.30300

€0.27270

≥20:

€0.26347

€0.23713

≥50:

€0.23713

€0.21341

≥100:

€0.23055

€0.20749

≥200:

€0.22395

€0.20156

≥500:

€0.21736

€0.19562

≥1000:

€0.21078

€0.18970

From: €0.21078

Description: The 74HC4040 is a 12-stage binary ripple counter with a clock input (CP), an overriding asynchronous master reset input (MR), twelve parallel outputs (Q0 to Q11) and an overriding carry o

Stock:10000

Minimo:4

Preferito

SN74LS593N

Enlarge

Used and refurbished parts guaranteed can work well

SN74LS593N

DIP-20

Texas Instruments

8-BIT BINARY COUNTERS WITH INTPUT REGISTERS

Utsource

≥1:

€2.76648

€2.48983

≥5:

€1.84432

€1.65989

≥10:

€1.65989

€1.49390

≥20:

€1.61377

€1.45240

≥50:

€1.56767

€1.41090

≥100:

€1.52157

€1.36941

≥200:

€1.47545

€1.32791

≥500:

€1.45701

€1.31131

≥1000:

€1.42934

€1.28641

From: €1.42934

Stock:10000

Minimo:2

Preferito

SN74LS161ANSR

Enlarge

Used and refurbished parts guaranteed can work well

SN74LS161ANSR

SOP-16

Texas Instruments

0540+

SYNCHRONOUS 4-BIT COUNTERS

Utsource

≥1:

€1.54923

€1.39430

≥5:

€1.16192

€1.04572

≥10:

€0.69715

€0.62743

≥20:

€0.67779

€0.61001

≥50:

€0.65842

€0.59258

≥100:

€0.63905

€0.57515

≥200:

€0.61969

€0.55772

≥500:

€0.61194

€0.55075

≥1000:

€0.60032

€0.54029

From: €0.60032

Stock:10000

Minimo:2

Preferito

MM74C193N

Enlarge

Used and refurbished parts guaranteed can work well

MM74C193N

DIP

National Semiconductor

Synchronous 4-Bit Up/Down Decade Counter

Utsource

≥1:

€1.03353

€0.93017

≥5:

€0.77515

€0.69763

≥10:

€0.46509

€0.41858

≥20:

€0.45217

€0.40695

≥50:

€0.43925

€0.39532

≥100:

€0.42633

€0.38370

≥200:

€0.41341

€0.37207

≥500:

€0.40824

€0.36742

≥1000:

€0.40049

€0.36044

From: €0.40049

Stock:10000

Minimo:2

Preferito

74VHC4040MX

Enlarge

Used and refurbished parts guaranteed can work well

74VHC4040MX

SOP-16

FSC

05+

Code Hopping Encoder 3.5- 13V, 0C to +70C, 8-PDIP, TUBE

Utsource

≥1:

€2.32544

€2.09289

≥5:

€1.55029

€1.39526

≥10:

€1.39526

€1.25574

≥20:

€1.35651

€1.22085

≥50:

€1.31775

€1.18597

≥100:

€1.27899

€1.15109

≥200:

€1.24023

€1.11621

≥500:

€1.22473

€1.10226

≥1000:

€1.20148

€1.08133

From: €1.20148

Description: The 74VHC4040MX is a high-performance CMOS logic device containing four D-type flip-flops with independent data, set, reset, and clock inputs. Features: High-speed operation: tPD = 8.0

Stock:10000

Minimo:2

Preferito

MC14040BDG

Enlarge

Used and refurbished parts guaranteed can work well

MC14040BDG

SOP

On Semiconductor

05+

12−Bit Binary Counter

Utsource

≥1:

€1.17234

€1.05510

≥5:

€0.87925

€0.79133

≥10:

€0.52755

€0.47480

≥20:

€0.51290

€0.46161

≥50:

€0.49824

€0.44842

≥100:

€0.48359

€0.43523

≥200:

€0.46893

€0.42204

≥500:

€0.46307

€0.41676

≥1000:

€0.45428

€0.40885

From: €0.45428

Stock:10000

Minimo:2

Preferito

MM74HC393M

Enlarge

Used and refurbished parts guaranteed can work well

MM74HC393M

SOP14

FAI

02+

1A, 52kHz Current Mode PWM Control Circuit with 8V UVLO Threshold for Automotive Applications; Package: 8 LEAD PDIP; No of Pins: 8; Container: Rail; Qty per Container: 50

Utsource

≥1:

€1.16272

€1.04645

≥5:

€0.77515

€0.69763

≥10:

€0.69763

€0.62787

≥20:

€0.67825

€0.61043

≥50:

€0.65887

€0.59299

≥100:

€0.63949

€0.57555

≥200:

€0.62012

€0.55811

≥500:

€0.61236

€0.55113

≥1000:

€0.60074

€0.54066

From: €0.60074

Description: The MM74HC393M is a high-speed CMOS dual 4-stage binary ripple counter fabricated with silicon gate C2MOS technology. Features: High Speed Operation: tpd = 12ns (typ.) at VCC = 5V Low

Stock:10000

Minimo:2

Preferito

HCF4060BEY

Enlarge

Used and refurbished parts guaranteed can work well

HCF4060BEY

DIP16

STMicroelectronics

Quadruple Line Driver 14-PDIP 0 to 70

Utsource

≥1:

€1.03353

€0.93017

≥5:

€0.77515

€0.69763

≥10:

€0.46509

€0.41858

≥20:

€0.45217

€0.40695

≥50:

€0.43925

€0.39532

≥100:

€0.42633

€0.38370

≥200:

€0.41341

€0.37207

≥500:

€0.40824

€0.36742

≥1000:

€0.40049

€0.36044

From: €0.40049

Description: CMOS 14-Stage Ripple Carry Binary Counter/Divider and Oscillator Features: - High speed operation - Low power consumption - Wide operating voltage range - High noise immunity

Stock:10000

Minimo:2

Preferito

DM74LS163AN

Enlarge

Used and refurbished parts guaranteed can work well

DM74LS163AN

DIP16

Synchronous 4-Bit Binary Counters

Utsource

≥1:

€1.58084

€1.42276

≥5:

€1.05390

€0.94851

≥10:

€0.94851

€0.85366

≥20:

€0.92216

€0.82994

≥50:

€0.89581

€0.80623

≥100:

€0.86946

€0.78252

≥200:

€0.84312

€0.75881

≥500:

€0.83257

€0.74932

≥1000:

€0.81677

€0.73509

From: €0.81677

Stock:10000

Minimo:2

Preferito

DM74ALS161BN

Enlarge

Used and refurbished parts guaranteed can work well

DM74ALS161BN

DIP-16

Ns/fairchil

Synchronous Four-Bit Binary Counter with Asynchronous Clear

Utsource

≥1:

€0.79042

€0.71138

≥5:

€0.59282

€0.53353

≥10:

€0.41498

€0.37348

≥20:

€0.39521

€0.35569

≥50:

€0.35569

€0.32012

≥100:

€0.34581

€0.31123

≥200:

€0.33593

€0.30234

≥500:

€0.32605

€0.29345

≥1000:

€0.31617

€0.28455

From: €0.31617

The DM74ALS161BN is a synchronous 4-bit binary counter with an asynchronous reset. It is a 16-pin dual in-line package (DIP) device manufactured by National Semiconductor (NS) and Fairchild Semiconduc

Stock:10000

Minimo:3

Preferito

HCF4060M013TR

Enlarge

Used and refurbished parts guaranteed can work well

HCF4060M013TR

SOP16

STMicroelectronics

14-STAGE RIPPLE CARRY BINARY COUNTER/DIVIDER AND OSCILLATOR

Utsource

≥1:

€0.63892

€0.57503

≥5:

€0.47919

€0.43127

≥10:

€0.33543

€0.30189

≥20:

€0.31946

€0.28751

≥50:

€0.28751

€0.25876

≥100:

€0.27952

€0.25157

≥200:

€0.27154

€0.24438

≥500:

€0.26355

€0.23719

≥1000:

€0.25556

€0.23001

From: €0.25556

Stock:10000

Minimo:4

Preferito

CD74HCT393E

Enlarge

Used and refurbished parts guaranteed can work well

CD74HCT393E

DIP-14

Ti/harris

00+

High Speed CMOS Logic Dual 4 -Stage Binary Counter

Utsource

≥1:

€0.83625

€0.75263

≥5:

€0.62719

€0.56447

≥10:

€0.43903

€0.39513

≥20:

€0.41813

€0.37631

≥50:

€0.37631

€0.33868

≥100:

€0.36587

€0.32928

≥200:

€0.35541

€0.31987

≥500:

€0.34495

€0.31045

≥1000:

€0.33450

€0.30105

From: €0.33450

Description: The CD74HCT393E is a dual 4-input positive-edge triggered flip-flop with complementary outputs. It is a 14-pin DIP (dual in-line package) integrated circuit (IC) manufactured by Texas Ins

Stock:10000

Minimo:3

Preferito

74F269SPC

Enlarge

Used and refurbished parts guaranteed can work well

74F269SPC

DIP-24

National Semiconductor

9218/9010

8-Bit Bidirectional Binary Counter; Package: DIP; No of Pins: 24; Container: Rail

Utsource

≥1:

€1.55029

€1.39526

≥5:

€1.03353

€0.93017

≥10:

€0.93017

€0.83716

≥20:

€0.90434

€0.81390

≥50:

€0.87850

€0.79065

≥100:

€0.85266

€0.76739

≥200:

€0.82682

€0.74414

≥500:

€0.81649

€0.73484

≥1000:

€0.80098

€0.72088

From: €0.80098

Stock:10000

Minimo:2

Preferito

MC14060BDR2G

Enlarge

Used and refurbished parts guaranteed can work well

MC14060BDR2G

SOP-16

On Semiconductor

07+

14-Bit Binary Counter and Oscillator

Utsource

≥1:

€0.22593

€0.20334

≥10:

€0.16138

€0.14524

≥50:

€0.12911

€0.11620

≥100:

€0.11620

€0.10458

≥150:

€0.10974

€0.09876

≥200:

€0.10651

€0.09586

≥500:

€0.10522

€0.09470

≥1000:

€0.10393

€0.09353

≥3000:

€0.10328

€0.09295

From: €0.10328

Stock:10000

Minimo:13

Preferito

MC14017BDR2G

Enlarge

Used and refurbished parts guaranteed can work well

MC14017BDR2G

SOIC-16

On Semiconductor

Decade Counter/Divider; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500

Utsource

≥1:

€1.68488

€1.51640

≥5:

€1.12325

€1.01093

≥10:

€1.01093

€0.90984

≥20:

€0.98285

€0.88457

≥50:

€0.95477

€0.85929

≥100:

€0.92669

€0.83402

≥200:

€0.89860

€0.80874

≥500:

€0.88737

€0.79863

≥1000:

€0.87052

€0.78347

From: €0.87052

Stock:10000

Minimo:2

Preferito

HCF40103BEY

Enlarge

Used and refurbished parts guaranteed can work well

HCF40103BEY

DIP-16

STM

Synchronous Down Counter

Utsource

≥1:

€0.65869

€0.59282

≥5:

€0.52695

€0.47425

≥10:

€0.30300

€0.27270

≥20:

€0.26347

€0.23713

≥50:

€0.23713

€0.21341

≥100:

€0.23055

€0.20749

≥200:

€0.22395

€0.20156

≥500:

€0.21736

€0.19562

≥1000:

€0.21078

€0.18970

From: €0.21078

Description: The HCF40103BEY is a CMOS logic device that contains four independent 2-input NAND gates. Features: Low power consumption High noise immunity High speed operation High output curren

Stock:10000

Minimo:4

Preferito

SN74HC393N

Enlarge

Used and refurbished parts guaranteed can work well

SN74HC393N

DIP-14

Texas Instruments

00+

DUAL 4-BIT BINARY COUNTERS

Utsource

≥1:

€1.03353

€0.93017

≥5:

€0.77515

€0.69763

≥10:

€0.46509

€0.41858

≥20:

€0.45217

€0.40695

≥50:

€0.43925

€0.39532

≥100:

€0.42633

€0.38370

≥200:

€0.41341

€0.37207

≥500:

€0.40824

€0.36742

≥1000:

€0.40049

€0.36044

From: €0.40049

Description: The SN74HC393N is a high-speed Si-gate CMOS device from Texas Instruments. It is a dual 4-bit binary counter with two clock inputs (CP0 and CP1). Features: High-speed operation Low po

Stock:10000

Minimo:2

Preferito

SY10E016JC

Enlarge

Used and refurbished parts guaranteed can work well

SY10E016JC

PLCC-28

Synergy

01+

Mounting Rack; Leaded Process Compatible:No; Peak Reflow Compatible 260 C:No

Utsource

≥1:

€6.20116

€5.58105

≥5:

€5.89110

€5.30199

≥10:

€5.58105

€5.02294

≥20:

€5.42602

€4.88342

≥50:

€5.27099

€4.74389

≥100:

€5.11596

€4.60436

≥200:

€4.96093

€4.46484

≥500:

€4.89892

€4.40903

≥1000:

€4.80590

€4.32531

From: €4.80590

Description: SY10E016JC is a low-voltage, low-power, high-speed CMOS logic device from the SYNERGY family. Features: Low-voltage operation from 2.7V to 3.6V Low-power consumption High-speed operat

Stock:10000

Minimo:1

Preferito

CD4024BM

Enlarge

Used and refurbished parts guaranteed can work well

CD4024BM

SOP-14

Texas Instruments

99~00+

7-Stage Ripple Carry Binary Counter

Utsource

≥1:

€1.05390

€0.94851

≥5:

€0.79042

€0.71138

≥10:

€0.47425

€0.42683

≥20:

€0.46108

€0.41497

≥50:

€0.44791

€0.40312

≥100:

€0.43473

€0.39126

≥200:

€0.42156

€0.37940

≥500:

€0.41629

€0.37466

≥1000:

€0.40838

€0.36755

From: €0.40838

Stock:10000

Minimo:2

Preferito

Alternate Text
Alternate Text

Valuta:

Alternate Text Alternate Text Alternate Text

Prodotto Nuovo Usato

Ferma gli esperti di produzione, siamo in grado di fornire un gran numero di componenti elettronici che sono stati interrotti e che sono difficili da trovare, per facilitare la società di manutenzione

Alternate Text Stock

Non-Stock

Non-Stock

Numero verde a disposizione

(888) 766 5577 USA & Canada

+52 5515436027
+52 5515436028 Messico

+49 6931090199 Germania

+55 21 3609 8727 Brasile

(800) 137235 Italia

(900) 649657 Spagna

Whatsapp

+1 (312) 899-4831 USA

+49 15217848563 Germania

+52 55 7637 4368 Messico

Casella di posta elettronica

sales@utsource.com

PAGAMENTI GLOBALI

Logistica globale

footShip
Copyright © 2022 Power by UTSOURCE INTERNATIONAL LIMITED ISO/IEC 20000-1:2011,ISO/IEC 27001:2013 鄂ICP备2021003526号-1