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AT43301-SC The AT43301-SC is a 4-port USB hub controller from Microchip Technology. It supports USB 1.1 full-speed (12 Mbps) and low-speed (1.5 Mbps) data transfers.
Mfr Part #:

AT43301-SC

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AT43301-SC is a 4-port USB hub controller from Microchip Technology. It supports USB 1.1 full-speed (12 Mbps) and low-speed (1.5 Mbps) data transfers.
✓ Total Stock: 51,657 pcs

AT43301-SC Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
51,657 pcs
On Request
51657 pcs On Request 1 On Request On Request On Request On Request On Request
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AT43301-SC Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Function
Interface
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
Protocol
Supplier Device Package
Voltage
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AT43301-SC Description

Short technical summary and product information.

The AT43301-SC is a 5-port USB hub controller (one upstream, four downstream) designed for low-cost bus-powered or self-powered hub applications. It complies with USB Specification Rev 1.1 and supports both full-speed (12 Mbps) and low-speed (1.5 Mbps) data transfers. The device features port overcurrent monitoring and port power switching. It operates from a 4.4V to 5.25V supply with a typical current consumption of 24 mA. The internal oscillator runs at 6 MHz, with internal circuitry operating at 48 MHz. The AT43301-SC is available in a 24-lead SOIC package (0.295", 7.50mm width) for surface mount assembly. It is suitable for use in USB hubs, keyboards, monitors, and other USB peripheral devices.

AT43301-SC Quick Information

Product Type: USB Hub Controller
Canonical Name: AT43301-SC USB Hub Controller
Subcategory: Interface Controllers

AT43301-SC Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT43301-SC Features

  • Compliant with USB Specification Rev 1.1.
  • Supports 4 downstream USB ports.
  • Full-speed 12 Mbps and low-speed 1.5 Mbps.
  • Operates from 4.4V to 5.25V supply.
  • Available in 24-SOIC surface mount package.

AT43301-SC Applications

  • Ideal for low-cost USB hub designs.
  • Used in bus-powered hub applications.
  • Suitable for self-powered hub configurations.
  • Supports port overcurrent monitoring.

AT43301-SC FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range?

4.4V to 5.25V.

What package is the AT43301-SC available in?

24-SOIC (0.295", 7.50mm Width).

What is the operating temperature range?

0°C to 70°C.

Is the AT43301-SC RoHS compliant?

It is listed as RoHS3 Compliant, but this data is unverified.

How many downstream ports does it support?

4 downstream ports.

What data rates does it support?

Full-speed 12 Mbps and low-speed 1.5 Mbps.

What is the typical supply current?

24 mA.

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