AT43301-SU

USB Hub Controller, 24SOIC, 5.5 V, Four Downstream Ports, Port Power Switching

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Price:: US $0.50~3.00 / piece [Get Latest Price]

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	US $0.50~3.00

PartNumber:: AT43301-SU

Brand:: ATMEL Corporation - ATMEL | Pack: SOIC | D/C: 08+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-01-10

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Part Number:AT43301-SU
US $0.50 - 3.00
ECA1HHG220

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Product Summary

The AT43301-SU is a 5-port USB hub chip supporting one upstream and four downstream ports. The AT43301-SU connects to an upstream hub or host/root hub via Port0, while 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. The AT43301-SU is designed for very low-cost bus-powered or self-powered hub applications and is available in a 24-lead SOIC and a 32-lead LQFP packages. The 32-lead version of the AT43301-SU has a 48 MHz clock input. The AT43301-SU supports the 12 Mb/s full speed as well as 1.5 Mb/s slow speed USB transactions. To reduce EMI, the AT43301-SU oscillator frequency is 6 MHz even though some internal circuitry operates at 48 MHz.

Parametrics

AT43301-SU absolute maximum ratings: (1)VCC5 5V Power Supply: 5.5 V; (2)VI DC Input Voltage: -0.3V to VCEXT + 0.3V; (3)VO DC Output Voltage: -0.3 to VCEXT + 0.3V; (4)TO Operating Temperature: -40 +125 ℃; (5)TS Storage Temperature: -65 +150 ℃.

Features

AT43301-SU features: (1)Full Compliance with USB Spec Rev 1.1; (2)Four Downstream Ports; (3)Full-speed and Low-speed Data Transfers; (4)Bus-powered Controller; (5)Bus-powered or Self-powered Hub Operation; (6)Port Overcurrent Monitoring; (7)Port Power Switching; (8)5V Operation with On-chip 3.3V Regulator; (9)24-lead SOIC and 32-lead LQFP.