Name: KSZ8993M
Brand: Microchip Technology
SKU: KSZ8993M
Price: 8.8608 USD
Availability: InStock
Rating: 5 (82 reviews)

KSZ8993M

Pour Référence Seulement

Référence	KSZ8993M
Fabricant	Microchip Technology
Description	IC SWITCH 10/100 3PORT 128QFP
Fiche technique
paquet	128-BFQFP
ECAD
En stock	113 976 piece(s)
Prix unitaire	$ 8,8608 *
Délai de mise en œuvre	Expédition possible immédiatement
Temps de livraison estimé	déc. 29 - janv. 3 (Choisissez l'expédition accélérée)
Demander un Devis

Méthodes de paiement
Services de livraison

Nous offrons KSZ8993M 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 KSZ8993M avec la quantité dans la nomenclature. Heisener.com Ne nécessite pas de toute inscription pour demander un devis de KSZ8993M.

Spécifications KSZ8993M

Fabricant	Microchip Technology
Catégorie	Circuits intégrés (CI) - Circuits intégrés spécialisés
paquet	128-BFQFP
ECAD
Séries	-
Type	10/100 Integrated Switch
Applications	Port Switch/Network Interface
Type de montage	Surface Mount
Paquet / cas	128-BFQFP
Package de périphérique fournisseur	128-PQFP (14x20)

KSZ8993M Packaging

KSZ8993M FAQ

1. How to order KSZ8993M 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 KSZ8993M is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the KSZ8993M. All suppliers must pass our qualification reviews before they can publish their products including KSZ8993M on Heisener; we pay more attention to the channels and quality of KSZ8993M products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the KSZ8993M price and inventory displayed accurate?

The price and inventory of KSZ8993M 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 KSZ8993M?

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 KSZ8993M we delivered, we will accept the replacement or return of the KSZ8993M 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 KSZ8993M.

(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 KSZ8993M pin diagram, KSZ8993M datasheet?

If you need any after-sales service, please do not hesitate to contact us.

KSZ8993M Produits Connexes

SIT8208AI-23-18S-74.250000X	SiTime, -40 TO 85C, 3225, 50PPM, 1.8V, 7, -, -	Vue
SIT8008BI-73-18S-33.333000E	SiTime, OSC MEMS 33.3330MHZ LVCMOS SMD, 4-SMD, No Lead, -	Vue
2220J1K20180GCT	Knowles Syfer, CAP CER 2220, 2220 (5750 Metric), -	Vue
8N3SV76BC-0169CDI	IDT, Integrated Device Technology Inc, IC OSC VCXO 148.5MHZ 6-CLCC, 6-CLCC, -	Vue
PPT2-0500DGK2VS	Honeywell Microelectronics & Precision Sensors, PRESSURE TRANSDUCER, Module Cube, -	Vue
PPT0002GFR5VB	Honeywell Microelectronics & Precision Sensors, PRESSURE TRANSDUCER, Module Cube, -	Vue
0386107611	Molex, LLC, CONN BARRIER STRIP 11CIRC 0.25", -, -	Vue
DW-05-20-S-D-650	Samtec Inc., .025" BOARD SPACERS, -, -	Vue
DWM-08-58-G-S-250	Samtec Inc., .050" BOARD SPACERS, -, -	Vue
5-338309-2	TE Connectivity AMP Connectors, CONN D-SUB PLUG 9POS VERT SOLDER, -, -	Vue
CN0966A20A39S7Y040	Cinch Connectivity Solutions, CONN PLUG HSG FMALE 39POS INLINE, -, -	Vue
X4643V8-2.7A	Renesas Electronics America, IC SUPERVISOR CPU 64K EE 8-TSSOP, 8-TSSOP (0.173", 4.40mm Width), -	Vue

KSZ8993M Des garanties

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.

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
KSZ8993M-TR D# V36:1790_07847344	Microchip Technology Inc	Integrated 3-Port 10/100 Managed Switch with PHYs RoHS: Compliant	0
KSZ8993MI D# V36:1790_07457804	Microchip Technology Inc	Ethernet Switch 3-Port 100Mbps 128-Pin PQFP Tray RoHS: Compliant	0
KSZ8993ML D# V99:2348_07456985	Microchip Technology Inc	Ethernet Switch 3-Port 100Mbps 128-Pin PQFP Tray RoHS: Compliant	0
KSZ8993M D# V36:1790_07847734	Microchip Technology Inc	Ethernet Switch 3-Port 100Mbps 128-Pin PQFP Tray RoHS: Compliant	0

Référence	Fabricant	Description	Stock
KSZ8993M D# KSZ8993M	Microchip Technology Inc	Ethernet Switch 3-Port 10Mbps/100Mbps 128-Pin PQFP Tray - Trays (Alt: KSZ8993M)	0
KSZ8993M-TR D# KSZ8993M-TR	Microchip Technology Inc	3-PORT 10/100 SWITCH W/ TRANSCEIVERS & FRAME BUFFERS - Tape and Reel (Alt: KSZ8993M-TR) RoHS: Compliant	0
KSZ8993MI D# KSZ8993MI	Microchip Technology Inc	Ethernet Switch 3-Port 10Mbps/100Mbps 128-Pin PQFP Tray - Trays (Alt: KSZ8993MI)	0
KSZ8993ML D# KSZ8993ML	Microchip Technology Inc	PHY 1-CH 10Mbps/100Mbps 128-Pin PQFP Tray - Trays (Alt: KSZ8993ML)	0

Référence	Fabricant	Description	Stock
KSZ8993M-TR D# KSZ8993M-TR	Microchip Technology Inc	3-PORT 10/100 SWITCH W/ TRANSCEIVERS & FRAME BUFFERS (Alt: KSZ8993M-TR)	0
KSZ8993MLI D# KSZ8993MLI	Microchip Technology Inc	Ethernet Switch 3-Port 10Mbps/100Mbps 128-Pin PQFP Tray (Alt: KSZ8993MLI)	0
KSZ8993ML D# KSZ8993ML	Microchip Technology Inc	PHY 1-CH 10Mbps/100Mbps 128-Pin PQFP Tray (Alt: KSZ8993ML)	0
KSZ8993M D# KSZ8993M	Microchip Technology Inc	Ethernet Switch 3-Port 10Mbps/100Mbps 128-Pin PQFP Tray (Alt: KSZ8993M)	0
KSZ8993MI D# KSZ8993MI	Microchip Technology Inc	Ethernet Switch 3-Port 10Mbps/100Mbps 128-Pin PQFP Tray (Alt: KSZ8993MI)	0

Référence	Fabricant	Description	Stock
KSZ8993M-TR	Microchip Technology Inc		307
KSZ8993ML	Micrel Inc		99
KSZ8993M	Microchip Technology Inc		198
KSZ8993MI	Micrel Inc		3

Référence	Fabricant	Description	Stock
KSZ8993MLI	Micrel Inc	IC SWITCH 10/100 3PORT 128-PQFP	152
KSZ8993ML	Micrel Inc	IC, TXRX, SW, 3 PORT, 128PQFPA	188
KSZ8993M	Micrel Inc	IC, TXRX, SW, 3 PORT, 128PQFPA	188
KSZ8993MA5	Micrel Inc	IC SWITCH 10/100 W/TXRX 128PQFP	0
KSZ8993MI	Micrel Inc	IC SWITCH 10/100 W/TXRX 128PQFP	1365

Référence

Fabricant

Description

Stock

KSZ8993ML

D# C1S505200914123

Microchip Technology Inc

3-Port 10/100 Switch w/ Transceivers & Frame Buffers

Min Qty: 1

Référence

Fabricant

Description

Stock

KSZ8993M

Microchip Technology Inc

PQFP-128 Ethernet ICs RoHS

Référence

Fabricant

Description

Stock

KSZ8993M

Micrel Inc

RoHS: Compliant

Référence	Fabricant	Description	Stock
KSZ8993ML D# 576-2125-ND	Microchip Technology Inc	IC 10/100 INTEG SWITCH 128PQFP	1
KSZ8993MI D# 576-2124-ND	Microchip Technology Inc	IC 10/100 INTEG SWITCH 128PQFP	920
KSZ8993M-TR D# KSZ8993M-TR-ND	Microchip Technology Inc	IC 10/100 INTEG SWITCH 128PQFP	0
KSZ8993MA5 D# KSZ8993MA5-ND	Microchip Technology Inc	IC 10/100 INTEG SWITCH 128PQFP	0
KSZ8993M D# 576-1037-ND	Microchip Technology Inc	IC 10/100 INTEG SWITCH 128PQFP	676
KSZ8993MLI D# 576-3350-ND	Microchip Technology Inc	IC 10/100 INTEG SWITCH 128PQFP	0

Référence

Fabricant

Description

Stock

KSZ8993M

D# KSZ8993M

Samsung Electro-Mechanics

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

1545

Référence	Fabricant	Description	Stock
KSZ8993MLI	MICREL	In stock shipping within 2days	131
KSZ8993M	Microchip Technology Inc	In stock shipping within 2days	26649
KSZ8993MI	Microchip Technology Inc	In stock shipping within 2days	26650
KSZ8993M-TR	Microchip Technology Inc	In stock shipping within 2days	26653
KSZ8993ML	Microchip Technology Inc	In stock shipping within 2days	26651

Référence	Fabricant	Description	Stock
KSZ8993M D# 2675924	Microchip Technology Inc	ETHERNET TRANSCEIVER, 100 MBPS, PQFP-128 RoHS: Compliant Min Qty: 1 Container: Each	43
KSZ8993ML D# 2100397	Micrel Inc	IC, TXRX, SW, 3 PORT, 128PQFPA RoHS: Compliant Min Qty: 1 Container: Each	0
KSZ8993MI D# 2100396	Micrel Inc	IC, TXRX, SW, 3 PORT, 128PQFPA RoHS: Compliant Min Qty: 1 Container: Each	0

Référence	Fabricant	Description	Stock
KSZ8993ML	Microchip Technology Inc	1.8/3.3 V Integrated 3-Port 10/100 Managed Switch with PHYs - PQFP-128 RoHS: Compliant pbFree: Yes	42
KSZ8993MI	Microchip Technology Inc	1.8/3.3 V Integrated 3-Port 10/100 Managed Switch with PHYs - PQFP-128 RoHS: Compliant pbFree: Yes	132
KSZ8993M	Microchip Technology Inc	1.8/3.3 V Integrated 3-Port 10/100 Managed Switch with PHYs - PQFP-128 RoHS: Compliant pbFree: Yes	59

Référence	Fabricant	Description	Stock
KSZ8993MTR	MICROC	OEM/CM QUOTES ONLY \| NO BROKERS	356
KSZ8993MLI	Micrel Inc	OEM/CM QUOTES ONLY \| NO BROKERS	886
KSZ8993M	Micrel Inc	OEM/CM QUOTES ONLY \| NO BROKERS	1842
2KSZ8993M	Micro Commercial Components	OEM/CM QUOTES ONLY \| NO BROKERS	80
KSZ8993ML	Micrel Inc	OEM/CM QUOTES ONLY \| NO BROKERS	306
KSZ8993MI		OEM/CM QUOTES ONLY \| NO BROKERS	5800
KSZ8993MA5	Micrel Inc	OEM/CM QUOTES ONLY \| NO BROKERS	16

Référence	Fabricant	Description	Stock
KSZ8993MUSED	Microchip Technology Inc	OEM/CM ONLY	166
KSZ8993MLI	Microchip Technology Inc	OEM/CM ONLY	403
KSZ8993MQLI	Microchip Technology Inc	OEM/CM ONLY	2400
KSZ8993ML	Microchip Technology Inc	OEM/CM ONLY	159
KSZ8993M	Microchip Technology Inc	OEM/CM ONLY	2509
KSZ8993M883	Microchip Technology Inc	OEM/CM ONLY	5800
KSZ8993MI	Microchip Technology Inc	OEM/CM ONLY	2510
KSZ8993MTR	Microchip Technology Inc	OEM/CM ONLY	18900

Référence

Fabricant

Description

Stock

KSZ8993M

Micrel Inc

in stock - can ship the same day

Référence

Fabricant

Description

Stock

KSZ8993MI

Microchip Technology Inc

Ethernet Switch 3-Port 10Mbps/100Mbps 100Mbps 128-Pin PQFP Tray

RoHS: Not Compliant

KSZ8993M-TR

Microchip Technology Inc

RoHS: Not Compliant

Référence	Fabricant	Description	Stock
KSZ8993ML D# KSZ8993ML	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers RoHS: Compliant pbFree: Yes	0
KSZ8993MI D# KSZ8993MI	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers RoHS: Compliant pbFree: Yes	594
KSZ8993M-TR D# KSZ8993M-TR	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers RoHS: Compliant pbFree: Yes	0
KSZ8993M D# KSZ8993M	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers RoHS: Compliant pbFree: Yes	11

Référence	Fabricant	Description	Stock
KSZ8993M	Micrel Inc	OEM/CM Immediate delivery	431
KSZ8993MLI	Micrel Inc	OEM/CM Immediate delivery	38
KSZ8993ML	Micrel Inc	OEM/CM Immediate delivery	108

Référence	Fabricant	Description	Stock
KSZ8993MI D# 998-KSZ8993998-MI	Microchip Technology Inc	Ethernet ICs 3-Port 10/100 Switch w/ Transceivers & Frame Buffers RoHS: Compliant	194
KSZ8993MLI D# 998-KSZ8993MLI	Microchip Technology Inc	Ethernet ICs 3-Port 10/100 Switch w/ Transceivers & Frame Buffers RoHS: Compliant	10
KSZ8993M D# 998-KSZ8993M	Microchip Technology Inc	Ethernet ICs 3-Port 10/100 Switch w/ Transceivers & Frame Buffers RoHS: Compliant	223

Référence	Fabricant	Description	Stock
KSZ8993M-TR	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm T/R RoHS: Compliant	0
KSZ8993M	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm TRAY RoHS: Compliant	0
KSZ8993MI	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm TRAY RoHS: Compliant	0
KSZ8993MLI	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm TRAY RoHS: Compliant	0
KSZ8993ML	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm TRAY RoHS: Compliant	0

Référence	Fabricant	Description	Stock
KSZ8993ML D# MCHP00000013723	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm TRAY	0
KSZ8993M D# MCHP00000013721	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm TRAY	0
KSZ8993MI D# MCHP00000013722	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm TRAY	0
KSZ8993MLI D# MCHP00000013724	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm TRAY	0
KSZ8993M-TR D# MCHP00000013725	Microchip Technology Inc	3-Port 10/100 Switch w/ Transceivers & Frame Buffers - Package: 128 PQFP 14x20x2.72mm T/R	0

Référence	Fabricant	Description	Stock
KSZ8993M D# 96AC0378	Microchip Technology Inc	PQFP 3-PORT 10/100 SWITCH W/ TRANSCEIVERS & FRAME BUFFERS ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 66 Container: Bulk	10
KSZ8993M-TR D# 70Y9037	Microchip Technology Inc	3-PORT 10/100 SWITCH W/ TRANSCEIVERS & FRAME BUFFERS, 128 PQFP 14X20X2.72MM T/R ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 350 Container: TAPE & REEL - FULL	0
KSZ8993MI D# 70Y9038	Microchip Technology Inc	3-PORT 10/100 SWITCH W/ TRANSCEIVERS & FRAME BUFFERS, 128 PQFP 14X20X2.72MM TRAY ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 66 Container: Bulk	0
KSZ8993ML D# 64AH3790	Microchip Technology Inc	ETHERNET SWITCH, 100MBPS, PQFP-128, Data Rate:100Mbps, Ethernet Type:IEEE 802.3, IEEE 802.3u, IEEE 802.3x, Supply Voltage Min:1.71V, Supply Voltage Max:3.465V, Controller IC Case Style:PQFP, No. of Pins:128Pins, IC Interface RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	6

Référence	Fabricant	Description	Stock
KSZ8993MI D# NS-KSZ8993MI	KENDIN	OEM/CM ONLY	9491
KSZ8993ML D# NS-KSZ8993ML	Micrel Inc	OEM/CM ONLY	1050
KSZ8993MLI D# NS-KSZ8993MLI	Micrel Inc	OEM/CM ONLY	8926
KSZ8993M KSZ8995M D# NS-KSZ8993M KSZ8995M	Micrel Inc	OEM/CM ONLY	3218
KSZ8993M-EVAL D# NS-KSZ8993M-EVAL	Micrel Inc	OEM/CM ONLY	6311
KSZ8993M D# NS-KSZ8993M	Micrel Inc	OEM/CM ONLY	1905

Référence

Fabricant

Description

Stock

KSZ8993MI

Microchip Technology Inc

Ethernet Switch 3-Port 10Mbps/100Mbps 100Mbps 128-Pin PQFP Tray

RoHS: Not Compliant

KSZ8993M-TR

Microchip Technology Inc

RoHS: Not Compliant

Référence

Fabricant

Description

Stock

KSZ8993M

Micrel Inc

TELECOM SWITCHING CIRCUIT, 128 Pin, Plastic, QFP

KSZ8993MI

Micrel Inc

Référence

Fabricant

Description

Stock

KSZ8993M

D# 9101907P

Microchip Technology Inc

Microchip KSZ8993M, Ethernet Switch IC, 10Mbps, 1.8 V, 3.3 V, 128-Pin PQFP, PU

Min Qty: 1

Container: Tray

Référence	Fabricant	Description	Stock
KSZ8993MTR	Microchip Technology Inc	OEM/CM ONLY	323
KSZ8993MLI	Micrel Inc	OEM/CM ONLY	780
2KSZ8993M	Micro Commercial Components	OEM/CM ONLY	166
KSZ8993ML	Micrel Inc	OEM/CM ONLY	280
KSZ8993M	Micrel Inc	OEM/CM ONLY	1337
KSZ8993MI	Micrel Inc	OEM/CM ONLY	466

Référence	Fabricant	Description	Stock
KSZ8993M	Micrel Inc	IN stock Immediate delivery	426
KSZ8993ML	Micrel Inc	IN stock Immediate delivery	103
KSZ8993MLI	Micrel Inc	IN stock Immediate delivery	33

Référence	Fabricant	Description	Stock
KSZ8993ML	Micrel Inc	shipping today	49
KSZ8993MLI	Micrel Inc	shipping today	32
KSZ8993MI	Micrel Inc	shipping today	59
KSZ8993MQL	Micrel Inc	shipping today	11
KSZ8993M	Micrel Inc	shipping today	6316

Référence

Fabricant

Description

Stock

KSZ8993MI

D# 50818324

Microchip Technology Inc

Ethernet Switch 3-Port 100Mbps 128-Pin PQFP Tray

RoHS: Compliant

KSZ8993ML

D# 43715118

Microchip Technology Inc

Ethernet Switch 3-Port 100Mbps 128-Pin PQFP Tray

RoHS: Compliant

Référence	Fabricant	Description	Stock
KSZ8993MLI	Micrel Inc	RFQ	14530
KSZ8993M	mfr	RFQ	3691
KSZ8993MI	mfr	RFQ	2229
KSZ8993ML	mfr	RFQ	8511
KSZ8993MA5	Micrel Inc	RFQ	1771

Référence

Fabricant

Description

Stock

KSZ8993M

Microchip Technology Inc

IC SWITCH 10/100 3PORT 128QFP

1201

KSZ8993MI

Microchip Technology Inc

IC SWITCH 10/100 W/TXRX 128QFP

300

Référence	Fabricant	Description	Stock
KSZ8993ML D# 2100397	Micrel Inc	IC, TXRX, SW, 3 PORT, 128PQFPA RoHS: Compliant Min Qty: 1 Container: Each	0
KSZ8993M D# 2675924	Microchip Technology Inc	ETHERNET TRANSCEIVER, 100 MBPS, PQFP-128 RoHS: Compliant Min Qty: 1 Container: Each	43
KSZ8993MI D# 2775039	Microchip Technology Inc	ETHERNET SWITCH, 3 PORT, 100MBPS, PQFP RoHS: Compliant Min Qty: 1 Container: Each	0

Quick Inquiry

KSZ8993M

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