acheter une SN74AC74D | SN74AC74D fiche technique | Heisener.com
Contactez nous
SalesDept@heisener.com 86-755-83210559-817

SN74AC74D

hot SN74AC74D

SN74AC74D

Pour Référence Seulement

Référence SN74AC74D
Fabricant Texas Instruments
Description IC D-TYPE POS TRG DUAL 14SOIC
Fiche technique
paquet 14-SOIC (0.154", 3.90mm Width)
ECAD
En stock 6 864 piece(s)
Prix unitaire $ 1,2277 *
Délai de mise en œuvre Expédition possible immédiatement
Temps de livraison estimé mai 7 - mai 12 (Choisissez l'expédition accélérée)
Demander un Devis
Méthodes de paiement
Services de livraison
  • Nous offrons SN74AC74D pour prix compétitif sur le marché mondial, s'il vous plaît envoyez-nous une demande de quota pour les prix. Merci!
  • Pour traiter votre demande de devis, s'il vous plaît ajouter SN74AC74D avec la quantité dans la nomenclature. Heisener.com Ne nécessite pas de toute inscription pour demander un devis de SN74AC74D.

Spécifications SN74AC74D

FabricantTexas Instruments
CatégorieCircuits intégrés (CI) - Logique - Bascules
paquet14-SOIC (0.154", 3.90mm Width)
ECAD
Séries74AC
FonctionSet(Preset) and Reset
TypeD-Type
Le type de sortieDifferential
Nombre d'éléments2
Nombre de bits par élément1
Fréquence d'horloge160MHz
Retard de propagation maximum @ V, Max CL6ns @ 5V, 50pF
Type de déclenchementPositive Edge
Courant - Sortie haut, bas24mA, 24mA
Tension - Alimentation2 V ~ 6 V
Actuel - Quiescent (Iq)2µA
Capacité d'entrée3pF
Température de fonctionnement-40°C ~ 85°C (TA)
Type de montageSurface Mount
Paquet / cas14-SOIC (0.154", 3.90mm Width)

SN74AC74D Packaging

Customized Labels
Sealing
Packing
Insepction

SN74AC74D FAQ

  • 1. How to order SN74AC74D on Heisener?
    Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
  • 2. How does Heisener guarantee that SN74AC74D is from the original manufacturer or authorized agents?
    We have a professional and experienced quality control team to strictly verify and test the SN74AC74D. All suppliers must pass our qualification reviews before they can publish their products including SN74AC74D on Heisener; we pay more attention to the channels and quality of SN74AC74D products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
  • 3. Are the SN74AC74D price and inventory displayed accurate?
    The price and inventory of SN74AC74D fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
  • 4. What forms of payment are accepted?
    Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.
    Warm Tips: Some orders in certain payment forms may require handling fee.
  • 5. How is the shipping arranged?
    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.
    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
  • 6. What is the process for return or replacement of SN74AC74D?
    All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SN74AC74D we delivered, we will accept the replacement or return of the SN74AC74D only when all of the below conditions are fulfilled:
    (1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
    (2)We are informed of the defect described above within 90 days after the delivery of SN74AC74D.
    (3)The PartNo is unused and only in the original unpacked packaging.
    Two processes to return the products:
    (1)Inform us within 90 days
    (2)Obtain Requesting Return Authorizations
  • 7.How to contact us to get technical supports, such as SN74AC74D pin diagram, SN74AC74D datasheet?
    If you need any after-sales service, please do not hesitate to contact us.

SN74AC74D Produits Connexes

T95D107M016ESAL T95D107M016ESAL Vishay Sprague, CAP TANT 100UF 16V 20% 2917, 2917 (7343 Metric), 74AC Vue
MKP385518063JKM2T0 MKP385518063JKM2T0 Vishay BC Components, CAP FILM 1.8UF 5% 630VDC RADIAL, Radial, 74AC Vue
0805Y2000123KER 0805Y2000123KER Knowles Syfer, CAP CER 0805, -, 74AC Vue
8N3DV85KC-0052CDI 8N3DV85KC-0052CDI IDT, Integrated Device Technology Inc, IC OSC VCXO DUAL FREQ 6-CLCC, 6-CLCC, 74AC Vue
7377 7377 Visual Communications Company - VCC, LAMP INCAND T1.75 BI-PIN 6.3V, -, 74AC Vue
ESDLC5V0D9B-TP ESDLC5V0D9B-TP Micro Commercial Co, TVS DIODE 5VWM SOD923, SOD-923, 74AC Vue
RT1206CRE07665RL RT1206CRE07665RL Yageo, RES SMD 665 OHM 0.25% 1/4W 1206, 1206 (3216 Metric), 74AC Vue
CRCW0603348KFKTA CRCW0603348KFKTA Vishay Dale, RES SMD 348K OHM 1% 1/10W 0603, 0603 (1608 Metric), 74AC Vue
RRS2R0 RRS2R0 Ohmite, POT 2 OHM 500W WIREWOUND LINEAR, -, 74AC Vue
M22-2661546 M22-2661546 Harwin Inc., 15+15 DIL EXT P/HDR 6MM, -, 74AC Vue
BACC63BV22H12SNH BACC63BV22H12SNH Cinch Connectivity Solutions, CONN RCPT HSG FMALE 12POS PNL MT, -, 74AC Vue
EHRCABNCBX EHRCABNCBX Switchcraft Inc., CONN EH RCA-BNC BLACK, -, 74AC Vue

SN74AC74D Des garanties

Service Guarantee

Garanties de service

Nous garantissons la satisfaction du client à 100%.

Notre équipe de vente expérimentée et notre équipe d'assistance technique recourent à nos services pour satisfaire tous nos clients.

Quality Guarantee

Garantie de qualité

Nous fournissons une garantie de 90 jours.

Si les articles que vous avez reçus n'étaient pas de qualité parfaite, nous serions responsables de votre remboursement ou de votre remplacement, mais les articles doivent être retournés dans leur état d'origine.

Chaînes d'approvisionnement mondiales - Ressources de distributeurs fiables et agréées

Référence Fabricant Description Stock

SN74AC74DBR

D# V36:1790_07325720

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SSOP T/R

RoHS: Compliant
0

SN74AC74DR

D# V72:2272_07325723

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOIC T/R

RoHS: Compliant
0

SN74AC74DRG4

D# V36:1790_07325725

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOIC T/R

RoHS: Compliant
0

SN74AC74D

D# V99:2348_07325719

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOIC Tube

RoHS: Compliant
0

SN74ACT74D

D# V99:2348_07326004

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOIC Tube

RoHS: Compliant
0
Référence Fabricant Description Stock

SN74AC74D

D# SN74AC74D

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOIC Tube - Bulk (Alt: SN74AC74D)

RoHS: Compliant
0
Référence Fabricant Description Stock

SN74AC74DR

Texas Instruments

STOCK

2500
Référence Fabricant Description Stock

SN74AC74D

Texas Instruments

499

SN74ACT74D

Texas Instruments

2

SN74AC74DR

Texas Instruments

994

SN74AC74DRG4

Texas Instruments

86
Référence Fabricant Description Stock

SN74AC74DE4

Texas Instruments

IC D-TYPE POS TRG DUAL 14SOIC

0

SN74AC74DBRG4

Rochester Electronics LLC

74AC74 Flip Flop SN74AC74DBRG4

0

SN74AC74DR

Texas Instruments

- Tape and Reel

25000

SN74AC74DRG4

Texas Instruments

DUAL D-TYPE FLIP-FLOP - Tape and Reel

0

SN74AC74DRE4

Texas Instruments

IC D-TYPE POS TRG DUAL 14SOIC

0

SN74AC74DBR

Texas Instruments

IC D-TYPE POS TRG DUAL 14SSOP

0

SN74AC74DBRE4

Rochester Electronics LLC

74AC74 Flip Flop SN74AC74DBRE4

0

SN74AC74DG4

Texas Instruments

IC D-TYPE POS TRG DUAL 14SOIC

0

SN74ACT74D

Texas Instruments

FLIP FLOP, D-TYPE, 210MHZ, SOIC-14

5000

SN74AC74D

Texas Instruments

- Tape and Reel

25000
Référence Fabricant Description Stock

SN74AC74DR

D# 296-1063-2-ND

Texas Instruments

IC FF D-TYPE DUAL 1BIT 14SOIC

7500

SN74ACT74D

D# 296-1079-5-ND

Texas Instruments

IC FF D-TYPE DUAL 1BIT 14SOIC

684

SN74AC74DBR

D# 2156-SN74AC74DBR-ND

Rochester Electronics LLC

SN74AC74 DUAL POSITIVE-EDGE-TRIG

10005

SN74AC74D

D# 296-1063-5-ND

Texas Instruments

IC FF D-TYPE DUAL 1BIT 14SOIC

2463

SN74AC74DE4

D# 2156-SN74AC74DE4-ND

Rochester Electronics LLC

D FLIP-FLOP, AC SERIES, 2-FUNC,

2500
Référence Fabricant Description Stock

SN74AC74DR

Texas Instruments

In stock shipping within 2days

183
Référence Fabricant Description Stock

SN74AC74D

D# 3119994

Texas Instruments

IC, DUAL FLIP FLOP, SMD, 74AC74

RoHS: Compliant
Min Qty: 1
Container: Each
1836

SN74AC74D .

D# 9590307

Texas Instruments

IC, DUAL FLIP FLOP, SMD, 74AC74

RoHS: Compliant
Min Qty: 5
Container: Each
0

SN74ACT74D

D# 3119998

Texas Instruments

DUAL, SMD, 74ACT74, SOIC14, 5.5V

RoHS: Compliant
Min Qty: 1
Container: Each
254

SN74AC74DR

D# 3119995RL

Texas Instruments

D-TYPE FLIP FLOP, DUAL, SOIC-14

RoHS: Compliant
Min Qty: 1
Container: Reel
0
Référence Fabricant Description Stock

SN74AC74DG4

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

1605

SN74AC74DRE4

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

15

SN74AC74DTI99

OEM/CM QUOTES ONLY | NO BROKERS

60

SN74AC74D

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

10710

SN74AC74DC

National Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

50

SN74AC74DRG4

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

2243

SN74AC74DR

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

13969

SN74ACT74D

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

8641

SN74AC74DBR

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

42
Référence Fabricant Description Stock

SN74AC74DE4

Texas Instruments

OEM/CM ONLY

314

SN74AC74DRUSMD994

Texas Instruments

OEM/CM ONLY

370

SN74AC74DR2

Texas Instruments

OEM/CM ONLY

790

SN74AC74DB

Texas Instruments

OEM/CM ONLY

729

SN74AC74DSO14

Texas Instruments

OEM/CM ONLY

355

SN74AC74DR160

Texas Instruments

OEM/CM ONLY

737

SN74AC74DR

Texas Instruments

OEM/CM ONLY

957

SN74AC74DROHS

Texas Instruments

OEM/CM ONLY

979

SN74AC74DBRG4

Texas Instruments

OEM/CM ONLY

734

SN74AC74DRG4

Texas Instruments

OEM/CM ONLY

1052

SN74AC74DRE4

Texas Instruments

OEM/CM ONLY

1067

SN74AC74DTI99

Texas Instruments

OEM/CM ONLY

150

SN74AC74DPBF

Texas Instruments

OEM/CM ONLY

364

SN74AC74DBLE

Texas Instruments

OEM/CM ONLY

701

TISN74AC74DR

Texas Instruments

OEM/CM ONLY

453

SN74AC74DG4

Texas Instruments

OEM/CM ONLY

407

SN74AC74DBR

Texas Instruments

OEM/CM ONLY

721

SN74AC74DBRE4

Texas Instruments

OEM/CM ONLY

335

SN74AC74D

Texas Instruments

OEM/CM ONLY

853
Référence Fabricant Description Stock

SN74AC74DR

Texas Instruments

In stock

994

SN74AC74D

Texas Instruments

In stock

119

SN74ACT74D

Texas Instruments

In stock

88
Référence Fabricant Description Stock

SN74AC74DR

Texas Instruments

OEM/CM Immediate delivery

1141
Référence Fabricant Description Stock

SN74AC74DR

D# 595-SN74AC74DR

Texas Instruments

Flip Flops Dual Pos Edge Trig

RoHS: Compliant
4112

SN74ACT74D

D# 595-SN74ACT74D

Texas Instruments

Flip Flops Dual Pos Edge Trig

RoHS: Compliant
1229

SN74AC74DBR

D# 595-SN74AC74DBR

Texas Instruments

Flip Flops Dual Pos Edge Trig

RoHS: Compliant
1998

SN74AC74D

D# 595-SN74AC74D

Texas Instruments

Flip Flops Dual Pos Edge Trig

RoHS: Compliant
1942

SN74AC74DE4

D# 595-SN74AC74DE4

Texas Instruments

Flip Flops Dual Pos-Edge-Trig D-Type Flip-Flop

RoHS: Compliant
1776
Référence Fabricant Description Stock

SN74AC74D

D# 52F2310

Texas Instruments

D-TYPE FLIP FLOP, DUAL, SOIC-14, Logic Family / Base Number:74AC74, Flip-Flop Type:D, Propagation Delay:6ns, Frequency:125MHz, Output Current:24mA, Logic Case Style:SOIC, No. of Pins:14Pins, Trigger Type:Positive Edge, Family Type:ACRoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1850
Container: Bulk
139

SN74ACT74D

D# 33AH4784

Texas Instruments

DUAL, SMD, 74ACT74, SOIC14, 5.5V, Logic Family / Base Number:74ACT74, Flip-Flop Type:D, Propagation Delay:5.5ns, Frequency:125MHz, Output Current:24mA, Logic Case Style:SOIC, No. of Pins:14Pins, Trigger Type:Positive Edge, IC Output RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Bulk
252

SN74AC74DR

D# 28AH4987

Texas Instruments

D-TYPE FLIP FLOP, DUAL, SOIC-14, LOGIC F, MSL:MSL 1 - Unlimited, SVHC:No SVHC (15-Jan-2019) RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
558
Référence Fabricant Description Stock

SN74AC74DGGR

D# NS-SN74AC74DGGR

Microsemi-IPG

OEM/CM ONLY

1358

SN74AC74DR

D# NS-SN74AC74DR

Texas Instruments

OEM/CM ONLY

11514

SN74AC74DR-CT

D# NS-SN74AC74DR-CT

Microsemi-IPG

OEM/CM ONLY

2085

SN74AC74DRE4

D# NS-SN74AC74DRE4

Texas Instruments

OEM/CM ONLY

3445

SN74ACT74D

D# NS-SN74ACT74D

Texas Instruments

OEM/CM ONLY

1412

SN74AC74DBRG4

D# NS-SN74AC74DBRG4

Texas Instruments

OEM/CM ONLY

1468

SN74AC74DRG4

D# NS-SN74AC74DRG4

Texas Instruments

OEM/CM ONLY

8531

SN74AC74D

D# NS-SN74AC74D

Texas Instruments

OEM/CM ONLY

2789

SN74AC74DBR

D# NS-SN74AC74DBR

Texas Instruments

OEM/CM ONLY

1535

SN74AC74DG4

D# NS-SN74AC74DG4

Texas Instruments

OEM/CM ONLY

5966

SN74AC74DE4

D# NS-SN74AC74DE4

Texas Instruments

OEM/CM ONLY

4423

SN74AC74DBRE4

D# NS-SN74AC74DBRE4

Texas Instruments

OEM/CM ONLY

8323

SN74AC74DB

D# NS-SN74AC74DB

VARIOUS

OEM/CM ONLY

1283
Référence Fabricant Description Stock

SN74AC74DG4

Texas Instruments

IC,FLIP-FLOP,DUAL,D TYPE,AC-CMOS,SOP,14PIN,PLASTIC, LEAD FREE

1349

SN74AC74D

Texas Instruments

Flip Flop, Dual, D Type, 14 Pin, Plastic, SOP

88

SN74ACT74D

Texas Instruments

Flip Flop, Dual, D Type, 14 Pin, Plastic, SOP

2231

SN74AC74DRG4

Texas Instruments

1508

SN74AC74DR

Texas Instruments

Flip Flop, Dual, D Type, 14 Pin, Plastic, SOP

303
Référence Fabricant Description Stock

SN74AC74DR

D# SN74AC74DR

Texas Instruments

Semiconductor

5000

SN74ACT74D

D# SN74ACT74D

Motorola Semiconductor Products

Semiconductor

852

SN74AC74D

D# SN74AC74D

Texas Instruments

Semiconductor

2084
Référence Fabricant Description Stock

SN74ACT74D

Texas Instruments

SN74ACT74 Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

RoHS: Compliant
23863

SN74AC74D

Texas Instruments

SN74AC74 Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

RoHS: Compliant
17617

SN74AC74DBR

Texas Instruments

SN74AC74 Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

RoHS: Compliant
10005

SN74AC74DE4

Texas Instruments

D Flip-Flop, AC Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, PDSO14

RoHS: Compliant
2500

SN74AC74DR

Texas Instruments

SN74AC74 Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

RoHS: Compliant
800
Référence Fabricant Description Stock

SN74ACT74D

Texas Instruments

OEM/CM ONLY

15964

SN74AC74DBR

Texas Instruments

OEM/CM ONLY

51

SN74AC74DRG4

Texas Instruments

OEM/CM ONLY

3359

SN74AC74DR

Texas Instruments

OEM/CM ONLY

40612

SN74AC74DG4

Texas Instruments

OEM/CM ONLY

1660

SN74AC74D

Texas Instruments

OEM/CM ONLY

9665

SN74AC74D TI99

OEM/CM ONLY

66

SN74AC74DC

National Semiconductor Corporation

OEM/CM ONLY

58
Référence Fabricant Description Stock

SN74AC74DR

Texas Instruments

IN stock Immediate delivery

1136
Référence Fabricant Description Stock

SN74AC74D

Texas Instruments

Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

3

SN74ACT74D

Texas Instruments

Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

4

SN74AC74DBR

Texas Instruments

Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

8

SN74AC74DR

Texas Instruments

Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

59
Référence Fabricant Description Stock

SN74AC74DR

Texas Instruments

shipping today

8996

SN74ACT74D

NEC Electronics Group

shipping today

592
Référence Fabricant Description Stock

SN74AC74DR

D# 52376777

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOIC T/R

RoHS: Compliant
0

SN74AC74D

D# 53168663

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOIC Tube

RoHS: Compliant
0

SN74ACT74D

D# 44983214

Texas Instruments

Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOIC Tube

RoHS: Compliant
0
Référence Fabricant Description Stock

SN74AC74DRG4

Texas Instruments

RFQ

7114

SN74AC74DG4

Texas Instruments

RFQ

9439

SN74AC74D

Texas Instruments

RFQ

727

SN74AC74DBRG4

Texas Instruments

RFQ

14102
Référence Fabricant Description Stock

SN74ACT74D

Texas Instruments

IC D-TYPE POS TRG DUAL 14SOIC

2080

SN74AC74DR

Texas Instruments

IC D-TYPE POS TRG DUAL 14SOIC

3148
Référence Fabricant Description Stock

SN74AC74D

D# 3119994

Texas Instruments

IC, DUAL FLIP FLOP, SMD, 74AC74

RoHS: Compliant
Min Qty: 1
Container: Each
1842

SN74AC74D .

D# 9590307

Texas Instruments

IC, DUAL FLIP FLOP, SMD, 74AC74

RoHS: Compliant
Min Qty: 1
Container: Each
0

SN74ACT74D

D# 3119998

Texas Instruments

DUAL, SMD, 74ACT74, SOIC14, 5.5V

RoHS: Compliant
Min Qty: 1
Container: Each
260

SN74AC74DR

D# 3119995

Texas Instruments

D-TYPE FLIP FLOP, DUAL, SOIC-14

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
558

Quick Inquiry

SN74AC74D

Qualité certifiée

L'engagement de Heisener en matière de qualité a façonné nos processus d'approvisionnement, de test, d'expédition et à chaque étape intermédiaire. Cette fondation est à la base de chaque composant que nous vendons.

ISO9001:2015, ICAS, IAF, UKAS

Voir les certificats

Contactez nous

Avez-vous une question à propos de SN74AC74D?

SN74AC74D QRCode

Scannez pour afficher cette page

produits présentés

OP2177ARMZ-REEL

IC OPAMP GP 1.3MHZ 8MSOP

AQY210S

RELAY OPTO SPST-NO 120MA 350V

ADV7630KSVZ

IC SPLITTER/MUX HDMI 128TQFP

CDSOD323-T24C

TVS DIODE 24VWM 56VC SOD323

MC14094BDR2G

IC SHIFT REGSTR 8BIT CMOS 16SOIC

CDBU0130L-HF

DIODE SCHOTTKY 30V 100MA 0603

SP0506BAATG

TVS DIODE 5.5VWM 8.5VC 8MSOP

SI1865DDL-T1-GE3

IC LOAD SW LVL SHIFT SC70-6

MAX3095ESE+

IC RS485/422 RX 10MBPS 16-SOIC

SMF05C.TCT

TVS DIODE 5VWM 12.5VC SC70-6

Afficher plus d''infos »

SN74AC74D Tags

  • SN74AC74D
  • SN74AC74D PDF
  • SN74AC74D Fiche technique
  • SN74AC74D spécification
  • SN74AC74D image
  • Texas Instruments
  • Texas Instruments SN74AC74D
  • acheter SN74AC74D
  • SN74AC74D tarification
  • SN74AC74D distributeur
  • SN74AC74D fournisseur
  • SN74AC74D en gros

SN74AC74D est disponible en