Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Memory

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Number of Ports Length RoHS Status Lead Free Contact Plating Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage Min Supply Voltage Density Frequency Height Width Mounting Type Operating Temperature Technology Operating Mode Max Supply Current Height Seated (Max) HTS Code Number of Functions Nominal Supply Current Max Frequency JESD-609 Code Terminal Finish Terminal Position Peak Reflow Temperature (Cel) Supply Voltage Time@Peak Reflow Temperature-Max (s) Pin Count Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Qualification Status Power Supplies Supply Voltage-Max (Vsup) Supplier Device Package Output Characteristics Access Time Screening Level Memory Size Memory Type Address Bus Width Supply Current-Max Voltage - Supply Organization Memory Width Memory Density Sync/Async Data Bus Width Parallel/Serial Clock Frequency Standby Current-Max Access Time (Max) Word Size Alternate Memory Width I/O Type Programming Voltage Page Size Refresh Cycles Access Mode Standby Voltage-Min Memory Format Memory Interface Write Cycle Time - Word, Page Sequential Burst Length Interleaved Burst Length
IS43LD32320C-18BLI IS43LD32320C-18BLI ISSI, Integrated Silicon Solution Inc 10.5289
Add to Cart

Min: 1

Mult: 1

0.00000000 14 Weeks Tray Active 3 (168 Hours) 134 EAR99 1 11.5mm ROHS3 Compliant SELF REFRESH; IT ALSO REQUIRES 1.8V NOM 134-TFBGA 10mm Surface Mount -40°C~85°C TA SDRAM - Mobile LPDDR2-S4 SYNCHRONOUS 1.1mm 1 e1 Tin/Silver/Copper (Sn/Ag/Cu) BOTTOM NOT SPECIFIED 1.2V NOT SPECIFIED YES 0.65mm R-PBGA-B134 1.14V 1.3V 1Gb 32M x 32 Volatile 1.14V~1.95V 32MX32 32 1073741824 bit 533MHz MULTI BANK PAGE BURST DRAM Parallel 15ns
IS42S16160B-7TI-TR IS42S16160B-7TI-TR ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2 (1 Year) 85°C -40°C 3.3V Non-RoHS Compliant 54 54-TSOP (0.400, 10.16mm Width) Parallel 3.6V 3V 256 Mb 143MHz Surface Mount -40°C~85°C TA SDRAM 130mA 143MHz 54-TSOP II 5.4ns 256Mb 16M x 16 Volatile 15b 3V~3.6V 16b 143MHz DRAM Parallel
IS63LV1024L-10KLI IS63LV1024L-10KLI ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tray yes Last Time Buy 2 (1 Year) 32 3.3V 1 20.95mm ROHS3 Compliant No 32 32-BSOJ (0.400, 10.16mm Width) 1 Mb Surface Mount -40°C~85°C TA SRAM - Asynchronous 3.75mm 1 160mA e3 Matte Tin (Sn) DUAL 260 3.3V 40 32 3.45V 3-STATE 1Mb 128K x 8 Volatile 17b 3.15V~3.45V 8 Asynchronous 8b COMMON 2V SRAM Parallel 10ns
IS49RL36160-107BLI IS49RL36160-107BLI ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 14 Weeks Surface Mount Tray Active 3 (168 Hours) 168 EAR99 1.35V 1 13.5mm ROHS3 Compliant 168 AUTO REFRESH 168-LBGA Surface Mount -40°C~85°C TA CMOS SYNCHRONOUS 1.2mm 8542.32.00.32 1 933MHz BOTTOM 1.35V 168 1mm 1.28V Not Qualified 1.42V 3-STATE 10ns 576Mb 16M x 36 Volatile 23b 3mA 1.28V~1.42V 16MX36 36 603979776 bit 36b 0.125A COMMON DRAM Parallel 248 248
IS25WP128-JKLE-TR IS25WP128-JKLE-TR ISSI, Integrated Silicon Solution Inc 3.8822
Add to Cart

Min: 1

Mult: 1

0.00000000 8 Weeks Tape & Reel (TR) Active 3 (168 Hours) 8 1.8V 6mm ROHS3 Compliant 8 8-WDFN Exposed Pad SPI, Serial 128 Mb Surface Mount -40°C~105°C TA FLASH - NOR SYNCHRONOUS 1 DUAL NOT SPECIFIED 1.8V NOT SPECIFIED YES 1.27mm 1.65V 1.95V 128Mb 16M x 8 Non-Volatile 24b 1.65V~1.95V 1 133MHz 256B FLASH SPI - Quad I/O, QPI, DTR 800μs
IS62WV5128DBLL-45TLI IS62WV5128DBLL-45TLI ISSI, Integrated Silicon Solution Inc 2.0844
Add to Cart

Min: 1

Mult: 1

0.00000000 download Tray Discontinued 3 (168 Hours) 32 1 20mm ROHS3 Compliant No 32 32-TFSOP (0.724, 18.40mm Width) 4 Mb Surface Mount -40°C~85°C TA SRAM - Asynchronous 1 20mA DUAL 3V 32 YES 0.5mm 2.3V 2.5/3.3V 3.6V 3-STATE 4Mb 512K x 8 Volatile 19b 2.3V~3.6V 8 Asynchronous 0.000007A 45 ns 8b COMMON SRAM Parallel 45ns
IS42S32160C-75BLI IS42S32160C-75BLI ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tray yes Obsolete 3 (168 Hours) 90 EAR99 3.3V 1 13mm RoHS Compliant Copper, Silver, Tin No 90 AUTO/SELF REFRESH 90-LFBGA 512 Mb Surface Mount -40°C~85°C TA SDRAM 1.4mm 8542.32.00.28 1 260mA e1 Tin/Silver/Copper (Sn/Ag/Cu) BOTTOM 260 3.3V 10 90 0.8mm 3V 3.6V 3-STATE 6ns 512Mb 16M x 32 Volatile 15b 3V~3.6V 16MX32 32 32b 133MHz 0.004A COMMON 8192 DRAM Parallel 1248FP 1248
IS26KS512S-DPBLI00 IS26KS512S-DPBLI00 ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 2 Weeks Tray Active 3 (168 Hours) 24 8mm ROHS3 Compliant 24-VBGA 6mm Surface Mount -40°C~85°C TA FLASH - NOR SYNCHRONOUS 1mm 1 BOTTOM NOT SPECIFIED 1.8V NOT SPECIFIED YES 1mm R-PBGA-B24 1.7V 1.95V 96ns 512Mb 64M x 8 Non-Volatile 1.7V~1.95V 64MX8 8 536870912 bit 166MHz 1.8V FLASH Parallel
IS61C1024AL-12KI IS61C1024AL-12KI ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tube no Obsolete 2 (1 Year) 32 5V 1 20.95mm Non-RoHS Compliant No 32 32-BSOJ (0.400, 10.16mm Width) 1 Mb Surface Mount -40°C~85°C TA SRAM - Asynchronous 3.76mm 1 40mA e0 Tin/Lead (Sn/Pb) DUAL 5V 32 YES 5V 3-STATE 1Mb 128K x 8 Volatile 17b 4.5V~5.5V 8 Asynchronous 0.00045A 8b COMMON 2V SRAM Parallel 12ns
IS61NLP102418B-200TQLI IS61NLP102418B-200TQLI ISSI, Integrated Silicon Solution Inc 23.3451
Add to Cart

Min: 1

Mult: 1

0.00000000 12 Weeks Tray Active 3 (168 Hours) 100 20mm ROHS3 Compliant 100 100-LQFP 14mm Surface Mount -40°C~85°C TA SRAM - Synchronous, SDR 1.6mm 1 QUAD NOT SPECIFIED 3.3V NOT SPECIFIED YES 0.65mm 3.135V 3.465V 3ns 18Mb 1M x 18 Volatile 3.135V~3.465V 1MX18 18 18874368 bit 200MHz SRAM Parallel
IS45S16800F-7TLA2 IS45S16800F-7TLA2 ISSI, Integrated Silicon Solution Inc 4.8675
Add to Cart

Min: 1

Mult: 1

0.00000000 8 Weeks Tray Active 3 (168 Hours) 54 EAR99 1 22.22mm ROHS3 Compliant 54 AUTO/SELF REFRESH 54-TSOP (0.400, 10.16mm Width) Surface Mount -40°C~105°C TA SDRAM SYNCHRONOUS 1.2mm 1 e3 Matte Tin (Sn) DUAL 3.3V 54 YES 0.8mm 3V Not Qualified 3.3V 3.6V 3-STATE 5.4ns AEC-Q100 128Mb 8M x 16 Volatile 0.1mA 3V~3.6V 8MX16 16 134217728 bit 16b 143MHz 0.002A COMMON 4096 DRAM Parallel 1248FP 1248
IS43DR16160A-3DBLI IS43DR16160A-3DBLI ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tray yes Obsolete 3 (168 Hours) 84 EAR99 1.8V 1 12.5mm RoHS Compliant No 84 AUTO/SELF REFRESH 84-TFBGA 256 Mb Surface Mount -40°C~85°C TA SDRAM - DDR2 135mA 1.2mm 8542.32.00.24 1 330mA e1 TIN SILVER COPPER BOTTOM 260 1.8V 40 84 0.8mm 1.7V 1.9V 3-STATE 450ps 256Mb 16M x 16 Volatile 15b 1.7V~1.9V 16MX16 16 16b 333MHz 0.005A COMMON 8192 DRAM Parallel 15ns 48 48
IS64LPS102436B-166TQLA3-TR IS64LPS102436B-166TQLA3-TR ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 12 Weeks Tape & Reel (TR) Active 3 (168 Hours) ROHS3 Compliant 100-LQFP Surface Mount -40°C~125°C TA SRAM - Synchronous, SDR 3.8ns 36Mb 1M x 36 Volatile 3.135V~3.465V 166MHz SRAM Parallel
IS25WP080D-JKLE IS25WP080D-JKLE ISSI, Integrated Silicon Solution Inc 1.1130
Add to Cart

Min: 1

Mult: 1

0.00000000 Tray Active 3 (168 Hours) 8 6mm ROHS3 Compliant 8-WDFN Exposed Pad 5mm Surface Mount -40°C~105°C TA FLASH - NOR SYNCHRONOUS 0.8mm 1 e3 Tin (Sn) DUAL NOT SPECIFIED 1.8V NOT SPECIFIED YES 1.27mm R-PDSO-N8 1.65V 1.95V 8Mb 1M x 8 Non-Volatile 1.65V~1.95V 1MX8 8 8388608 bit SERIAL 133MHz 1 1.8V FLASH SPI - Quad I/O, QPI, DTR 800μs
IS43R16800E-5TL IS43R16800E-5TL ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 8 Weeks Surface Mount Tray Active 3 (168 Hours) 66 2.5V 1 22.22mm ROHS3 Compliant 66 AUTO/SELF REFRESH 66-TSSOP (0.400, 10.16mm Width) 128 Mb Surface Mount 0°C~70°C TA SDRAM - DDR SYNCHRONOUS 1.2mm 1 240mA DUAL 2.5V 0.65mm 2.3V Not Qualified 2.7V 3-STATE 700ps 128Mb 8M x 16 Volatile 14b 2.3V~2.7V 8MX16 16 16b 200MHz 0.003A COMMON 4096 DRAM Parallel 15ns 248 248
IS43LD32640B-18BL IS43LD32640B-18BL ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 14 Weeks Tray Active 3 (168 Hours) 134 1 11.5mm ROHS3 Compliant SELF REFRESH; IT ALSO REQUIRES 1.8V NOM 134-TFBGA 10mm Surface Mount -40°C~85°C TC SDRAM - Mobile LPDDR2-S4 SYNCHRONOUS 1.1mm 1 BOTTOM NOT SPECIFIED 1.2V NOT SPECIFIED YES 0.65mm R-PBGA-B134 1.14V 1.3V 2Gb 64M x 32 Volatile 1.14V~1.95V 64MX32 32 2147483648 bit 533MHz MULTI BANK PAGE BURST DRAM Parallel 15ns
IS25LP064D-JBLA3 IS25LP064D-JBLA3 ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 2 Weeks Tray Automotive, AEC-Q100 Active 3 (168 Hours) ROHS3 Compliant 8-SOIC (0.209, 5.30mm Width) Surface Mount -40°C~125°C TA FLASH - NOR 64Mb 8M x 8 Non-Volatile 2.7V~3.6V 166MHz 3V FLASH SPI - Quad I/O, QPI, DTR 800μs
IS46DR16320D-3DBLA2 IS46DR16320D-3DBLA2 ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 8 Weeks Surface Mount Tray Active 3 (168 Hours) 84 EAR99 1.8V 1 12.5mm ROHS3 Compliant 84 PROGRAMMABLE CAS LATENCY 84-TFBGA 512 Mb Surface Mount -40°C~105°C TA SDRAM - DDR2 SYNCHRONOUS 1.2mm 8542.32.00.28 1 230mA e1 TIN SILVER COPPER BOTTOM NOT SPECIFIED 1.8V NOT SPECIFIED 0.8mm 1.7V Not Qualified 1.9V 3-STATE 450ps 512Mb 32M x 16 Volatile 13b 1.7V~1.9V 32MX16 16 333MHz 0.025A COMMON 8192 DRAM Parallel 15ns 48 48
IS45S32400E-7BLA1 IS45S32400E-7BLA1 ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tray yes Obsolete 3 (168 Hours) 90 EAR99 3.3V 1 13mm RoHS Compliant 90 AUTO/SELF REFRESH 90-TFBGA 128 Mb Surface Mount -40°C~85°C TA SDRAM SYNCHRONOUS 1.2mm 8542.32.00.02 1 130mA e1 Tin/Silver/Copper (Sn/Ag/Cu) BOTTOM 260 3.3V 10 90 0.8mm 3V Not Qualified 3.6V 3-STATE 5.4ns 128Mb 4M x 32 Volatile 12b 3V~3.6V 4MX32 32 32b 143MHz 0.001A COMMON 4096 DRAM Parallel 1248FP 1248
IS61LF51236B-7.5B3I IS61LF51236B-7.5B3I ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray Last Time Buy 3 (168 Hours) 165 15mm 165-TBGA 13mm Surface Mount -40°C~85°C TA SRAM - Synchronous, SDR 1.2mm 1 BOTTOM 3.3V YES 1mm R-PBGA-B165 3.135V 3.465V 7.5ns 18Mb 512K x 36 Volatile 3.135V~3.465V 512KX36 36 18874368 bit 117MHz SRAM Parallel
IS42S32400B-7TI-TR IS42S32400B-7TI-TR ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 2 (1 Year) 85°C -40°C Non-RoHS Compliant 86-TFSOP (0.400, 10.16mm Width) Parallel 143MHz Surface Mount -40°C~85°C TA SDRAM 86-TSOP II 5.4ns 128Mb 4M x 32 Volatile 3V~3.6V 143MHz DRAM Parallel
IS42S16320B-6BL IS42S16320B-6BL ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tray yes Obsolete 3 (168 Hours) 54 EAR99 3.3V 1 13mm RoHS Compliant 54 AUTO/SELF REFRESH 54-TFBGA 512 Mb Surface Mount 0°C~70°C TA SDRAM SYNCHRONOUS 180mA 1.2mm 1 180mA e1 Tin/Silver/Copper (Sn/Ag/Cu) BOTTOM 260 3.3V 10 54 0.8mm 3V Not Qualified 3.6V 3-STATE 5.4ns 512Mb 32M x 16 Volatile 15b 3V~3.6V 32MX16 16 16b 166MHz 0.004A COMMON 8192 DRAM Parallel 1248FP 1248
IS42S32400F-7TL IS42S32400F-7TL ISSI, Integrated Silicon Solution Inc 10.5303
Add to Cart

Min: 1

Mult: 1

0.00000000 8 Weeks Surface Mount Tray Active 3 (168 Hours) 86 EAR99 3.3V 1 22.42mm ROHS3 Compliant No 86 AUTO/SELF REFRESH 86-TFSOP (0.400, 10.16mm Width) 128 Mb 1.05mm 10.29mm Surface Mount 0°C~70°C TA SDRAM 8542.32.00.02 1 100mA e3 Matte Tin (Sn) - annealed DUAL 3.3V 86 0.5mm 3V 3.6V 3-STATE 5.4ns 128Mb 4M x 32 Volatile 14b 3V~3.6V 4MX32 32b 143MHz 0.002A COMMON 4096 DRAM Parallel
IS61LPD51236A-250B3LI-TR IS61LPD51236A-250B3LI-TR ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 12 Weeks Tape & Reel (TR) Active 3 (168 Hours) 85°C -40°C 3.3V 4 ROHS3 Compliant No 165 165-TBGA Parallel 3.465V 3.135V 18 Mb 250MHz Surface Mount -40°C~85°C TA SRAM - Synchronous, SDR 250MHz 165-PBGA (13x15) 2.6ns 18Mb 512K x 36 Volatile 19b 3.135V~3.465V 250MHz SRAM Parallel
IS42S32800D-75EBLI-TR IS42S32800D-75EBLI-TR ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Obsolete 3 (168 Hours) 85°C -40°C RoHS Compliant 90-TFBGA Parallel 3.6V 3V 133MHz Surface Mount -40°C~85°C TA SDRAM 133MHz 90-TFBGA (8x13) 5.5ns 256Mb 8M x 32 Volatile 3V~3.6V 32b 133MHz DRAM Parallel
IS61WV3216BLL-12TLI-TR IS61WV3216BLL-12TLI-TR ISSI, Integrated Silicon Solution Inc 0.7016
Add to Cart

Min: 1

Mult: 1

0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) Active 2 (1 Year) 85°C -40°C 3.3V 1 ROHS3 Compliant 44 44-TSOP (0.400, 10.16mm Width) Parallel 3.6V 3V 512 kb Surface Mount -40°C~85°C TA SRAM - Asynchronous 5mA 44-TSOP II 12ns 512Kb 32K x 16 Volatile 15b 3V~3.6V Asynchronous 16b SRAM Parallel 12ns
IS42S32200E-6BL IS42S32200E-6BL ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tray yes Obsolete 2 (1 Year) 90 EAR99 3.3V 1 13mm RoHS Compliant No 90 AUTO/SELF REFRESH 90-TFBGA 64 Mb Surface Mount 0°C~70°C TA SDRAM 1.2mm 8542.32.00.02 1 160mA e1 Tin/Silver/Copper (Sn/Ag/Cu) BOTTOM 260 3.3V 40 90 0.8mm 3V 3.6V 3-STATE 5.5ns 64Mb 2M x 32 Volatile 13b 3V~3.6V 2MX32 32 32b 166MHz 0.002A COMMON 4096 DRAM Parallel 1248FP 1248
IS42SM16800G-75BI-TR IS42SM16800G-75BI-TR ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Discontinued 3 (168 Hours) ROHS3 Compliant 54-TFBGA Surface Mount -40°C~85°C TA SDRAM - Mobile 54-TFBGA (8x8) 6ns 128Mb 8M x 16 Volatile 3V~3.6V 133MHz DRAM Parallel
IS61VPS51236A-200TQLI-TR IS61VPS51236A-200TQLI-TR ISSI, Integrated Silicon Solution Inc 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Obsolete 3 (168 Hours) 85°C -40°C 2.5V 4 RoHS Compliant No 100 100-LQFP Parallel 2.625V 2.375V 18 Mb 200MHz Surface Mount -40°C~85°C TA SRAM - Synchronous, SDR 200MHz 100-TQFP (14x20) 3.1ns 18Mb 512K x 36 Volatile 19b 2.375V~2.625V 200MHz SRAM Parallel
IS61C6416AL-12TLI IS61C6416AL-12TLI ISSI, Integrated Silicon Solution Inc 3.1202
Add to Cart

Min: 1

Mult: 1

0.00000000 download 8 Weeks Tray yes Active 3 (168 Hours) 44 5V 1 18.52mm ROHS3 Compliant Lead Free No 44 44-TSOP (0.400, 10.16mm Width) 1 Mb 1.05mm 10.29mm Surface Mount -40°C~85°C TA SRAM - Asynchronous 1 45mA e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 44 YES 0.8mm 5V 3-STATE 1Mb 64K x 16 Volatile 16b 4.5V~5.5V Asynchronous 16b COMMON 2V SRAM Parallel 12ns
Settings Need Help?
Top FAQ's

How can I quickly find answers to my questions?

Please visit the Help & Support area of our website to find information regarding ordering, shipping, delivery and more.

What is my Order Status?

Registered users can track orders from their account dropdown, or click here. *Order Status may take 12 hours to update after initial order is placed.

How do I return product?

Users can begin the returns process by starting with our Returns Page.

How do I find price and availability?

Quotes can be created by registered users in myLists.

How do I create a 'HK JDW' Account?

Visit the Registration Page and enter the required information. You will receive an email confirmation when your registration is complete.

United Kingdom/GBP Summary
Fast Shipping Fast Delivery

Orders are typically delivered to United Kingdom within 48 hours depending on location.

Free Shipping Free Shipping

Free delivery to United Kingdom on orders of £33 or more. A delivery charge of £12 will be billed on all orders less than £33.

Incoterms Incoterms

DDP (Duty and customs paid by HK JDW)

Payment Options Payment Types

Credit account for qualified institutions and businesses

Payment in Advance by Wire Transfer

Visa Mastercard American Express PayPal Apple Pay Google Pay

Marketplace Marketplace Product

More Products From Fully Authorized Partners

Average Time to Ship 1-3 Days, extra ship charges may apply. Please see product page, cart, and checkout for actual ship speed.

Incoterms: CPT (Duty, customs, and applicable VAT/Tax due at time of delivery)

For more information visit Help & Support