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AT43312
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Parameters

Technical/Catalog InformationAT43312A-AC
VendorAtmel
CategoryIntegrated Circuits (ICs)
Controller TypeUSB Hub
InterfaceSerial
Voltage - Supply4.4 V ~ 5.25 V
Current - Supply24mA
Package / Case32-LQFP
PackagingTray
Operating Temperature0°C ~ 70°C
Drawing Number*
Lead Free StatusContains Lead
RoHS StatusRoHS Non-Compliant
Other Names AT43312A AC
AT43312AAC

Product Manufacturers Pack D/C
AT43312 - SOP32 07/08+

Pinout/Connection Diagram

 

General Description

The AT43312 is a 5 port USB hub chip supporting one upstream and four downstream ports. The AT43312 connects to an upstream hub or Host/Root Hub via Port0 and the other ports connect to external downstream USB devices. The hub re-transmits the USB differential signal between Port0 and Ports[1:4] in both directions.A USB hub with the AT43312 can operate as a bus-powered or self-powered through chip's power mode configuration pin. The AT-43312 is pin- and function-compatible with the AT43311 and can be used as a replacement for the AT43310 with one pin modification.

The AT43312 supports the 12 Mb/s full-speed as well as 1.5 Mb/s slow-speed USB transactions. To reduce EMI, the AT43312's oscillator frequency is 6 MHz even though some internal circuitry operates at 48 MHz.

Features
• Full compliance with USB spec Rev 1.0• Four downstream ports• Full speed and low speed data transfers• Self-Powered or Bus-Powered modes of operation• Per port overcurrent monitoring• Individual port power switch control• USB connection status indicators

Maximum Ratings

Operating Temperature............... -55°C to +125°C

Storage Temperature ................. -65°C to +150°C

Voltage on any pin with
Respect to Ground ...............................-1.0V to 7.0V

Maximum Operating Voltage.............................. 6.6V

DC Output Current.......................................... 16 mA


Supplier

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  Part Number Mfg Pack D/C Qty Note
AT43312 ATMEL SOP 587 Professional IC Supplier in China
  RANTLE EAST ELECTRONIC TRADING CO China (Mainland)
Contact: Ms. Jessica Wong   MSN:rantle-east@hotmail.com Tel: 86-754-84475086 Fax: 86-754-84471197
AT43312 ATMEL SOP 200
  Majestic Trading Development Co., Ltd China (Mainland)
Contact: Ms. Ivy Tian   MSN:Ivy08@live.cn Tel: 86-755-8300 2395 Fax: 86-755-8300 2466
AT43312 AT SOP 10+ 846
  SANHUI (HK) ELECTRONICS China (Mainland)
Contact: Ms. Simmy   MSN:simmy-sales@hotmail.com Tel: 86-755-83674455 Fax: 86-755-83690789
AT43312 ATMEL 5789
  3E-ELEC(HK)Co. Ltd China (Mainland)
Contact: Ms. Selina Zhang   MSN:3e06@3e-elec.com Tel: 86-755-33063502 Fax: 86-755-33063509
AT43312 ATMEL SOP 7 stock
  HONGKONG BOXIANG TECHNOLOGY CO.,LIMITED China (Mainland)
Contact: Mr. chen   MSN:mars_chen16913@hotmail.com Tel: 86-755-82522455 Fax: 86-755-83511618
AT43312 ATMEL 1355 SOP32
  E-Sailing Electronic Tech Co.,Ltd. China (Mainland)
Contact: Ms. Lee   MSN:e-sailing@hotmail.com Tel: 86-755-83669519 Fax: 86-755-83669519
AT43312 ATMEL 10+ 8000
  Beford Enterprises Ltd China (Mainland)
Contact: Ms. Sea   MSN:Beford17@hotmail.com Tel: 86-0755-83228351 Fax: 86-0755-23486252
AT43312 ATMEL DIP 10+ 10000 the stock, low price and good quality
  HONGKONG DAZELONG ELECTRONIC CO.,LTD China (Mainland)
Contact: Mr. dazelong   MSN:dazelong168@hotmail.com Tel: 86-0755-33169368 Fax: 86-0755-25895819
AT43312 ATMEL DIP 00+ 4001 new and original
  Minki Technology (HK) Limited China (Mainland)
Contact: Mr. Guo   MSN:minki168@gmail.com Tel: 86-755-83179985 Fax: 86-755-83185553
AT43312 AMTEL SMD 98 976 New and original sample can be provided
  UNION TECHNOLOGY (HK) TRADING COMPANY LIMITED China (Mainland)
Contact: Mr. Kevin   MSN:union-hk@live.com Tel: 0086-755-82813231/ 82813232 Fax: 0086-755-82813230
AT43312 AMTEL 98 682 SMD
  HK XINYUE ELECTRONICS CO.,LIMITE  China (Mainland)
Contact: Mr. Edward   MSN:zh10086@hotmail.com Tel: +86-0755-82815026 Fax: +86-0755-83996795
AT43312 ATMEL SOP N/A 2640
  SHUANGZHI(HK)CO.,LTD Hong Kong
Contact: Mr. chan   MSN:leochan64588@msn.cn MSN:zimingchan@msn.cn Tel: 86-0755-82794881 Fax: 86-0755-82794836
AT43312 AT SOP N/A 851
  SHINECHIP INT'L CO., LTD China (Mainland)
Contact: Ms. Sophia   MSN:shinechipsales@hotmail.com;shinechips@hotmail.com Tel: 86-755-61352690 Fax: 86-755-88296457
AT43312 AMTEL DO 11+ 12000 new & original 100% in stock
  Hongkong Cowinner Group Co.,Ltd. Hong Kong
Contact: Mr. Andy   MSN:qingdao521@hotmail.com MSN:Eric652421819@Hotmail.com Tel: 86-21-60510031 Fax: 86-21-60510032/-86-532-84611315
AT43312 ATMEL 98+ DIP-32P 200 NEW&ORIGINAL
  HK Dasing Int'l Tech Development Limited China (Mainland)
Contact: Ms. Sue ouyang   MSN:ds168@live.cn Tel: 86-755-83995728 Fax: 86-755-83995418
AT43312 N/A NA/ 09+ 5864
  Universal Technical Components Limited China (Mainland)
Contact: Ms. Amy   MSN:amy-840308@hotmail.com Tel: 0086-027-83083551 Fax: 0086-027-83083551
AT43312 ATMEL NA 08+ 50500
  YING HUA TECHNOLOTY China (Mainland)
Contact: Ms. Somnus Zheng   MSN:yh@yinghua-ic.com Tel: 86+-755-83044164 Fax: 86+-755-83260949
AT43312 ATMEL 28
  WELL-SOURCE COMPONENTS China (Mainland)
Contact: Ms. SUSIE CHEN   MSN:susiechen2008@hotmail.com Tel: 86-755-28536689 Fax: 86-755-82810359
AT43312 ATMEL SOP 08+ 1355
  Anterwell Technology Ltd. China (Mainland)
Contact: Ms. Ellen   MSN:anterwell2@hotmail.com Tel: 86-755-61352205 Fax: 86-755-61352206
AT43312 ATMEL SOP 99+ 815 in stock
  South Technology (HongKong)Co. ltd Hong Kong
Contact: Ms. Kathy Zhou   MSN:icsouth@hotmail.com Tel: 852-852-5311 7544 Fax: 852-852-6913 2644
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PDF / Datasheet

AT43312 PDF Download

AT43312

File Size: 161774 KB
Manufacturer: ATMEL [ATMEL Corporation]

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