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KSZ8721CL The Microchip Technology KSZ8721CL is a 3.3V single power supply 10/100BASE-TX/FX MII Physical Layer Transceiver. It supports MII and RMII interfaces and operates within a 0°C to 70°C temperature range.
Mfr Part #:

KSZ8721CL

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology KSZ8721CL is a 3.3V single power supply 10/100BASE-TX/FX MII Physical Layer Transceiver. It supports MII and RMII interfaces and operates within a 0°C to 70°C temperature range.
✓ Total Stock: 26,011 pcs

KSZ8721CL Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
26,010 pcs
On Request
26010 pcs On Request 1 On Request On Request 2020+ On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
1 pcs
On Request
1 pcs On Request 1 On Request On Request On Request On Request On Request
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KSZ8721CL Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duplex
Interface
Lead Spacing
Mounting Type
Number of Drivers
Operating Temperature
Operating Voltage
Power Consumption
Protocol
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KSZ8721CL Description

Short technical summary and product information.

The KSZ8721CL from Microchip Technology is a single-chip 10/100BASE-TX/FX MII Physical Layer Transceiver. It provides MII/RMII interfaces to MACs and switches, supporting 10BASE-T, 100BASE-TX, and 100BASE-FX protocols.

 

This transceiver operates on a 3.3V single power supply with a built-in voltage regulator, consuming less than 340mW. It features auto-negotiation for 10/100Mbps speed and full-/half-duplex modes. The device includes on-chip analog front-end filtering for both 100BASE-TX and 10BASE-T, eliminating the need for external filters.

 

Designed for reliability, the KSZ8721CL is available in a 48-pin LQFP package and operates within a commercial temperature range of 0°C to 70°C. It supports power-down and power-saving modes, configurable through MII serial management ports or external control pins. LED outputs are provided for link, activity, duplex, and speed indication.

KSZ8721CL Quick Information

Product Type: Physical Layer Transceiver
Canonical Name: KSZ8721CL 10/100BASE-TX/FX MII Physical Layer Transceiver
Subcategory: Physical Layer Transceiver

KSZ8721CL Compliance

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

KSZ8721CL Features

  • Single chip 10/100BASE-TX/FX solution.
  • 3.3V single power supply.
  • Supports MII and RMII interfaces.
  • Operates from 0°C to 70°C.
  • Available in 48-pin LQFP package.

KSZ8721CL Applications

  • Ideal for Fast Ethernet applications.
  • Suitable for media converter designs.
  • Used in network interface cards.
  • Supports switch and MAC connectivity.

KSZ8721CL FAQs

5 frequently asked questions generated from this part’s specifications.
What type of transceiver is the KSZ8721CL?

The KSZ8721CL is a 10/100BASE-TX/FX MII Physical Layer Transceiver.

What are the operating voltage and temperature ranges for the KSZ8721CL?

The KSZ8721CL operates at a 3.3V supply voltage and has an operating temperature range of 0°C to 70°C.

What package type is the KSZ8721CL available in?

The KSZ8721CL is available in a 48-pin LQFP package.

What protocols does the KSZ8721CL support?

The KSZ8721CL supports 10BASE-T, 100BASE-TX, and 100BASE-FX protocols.

What is the power consumption of the KSZ8721CL?

The power consumption of the KSZ8721CL is less than 340mW.

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