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KS8721B - 2.5V 10/100BasTX/FX MII Physical Layer Transceiver

General Description

Operating at 2.5 volts to meet low voltage and low power requirements, the KS8721B/BT is a 10BaseT/100BaseTX/FX Physical Layer Transceiver, which provides an MII to transmit and receive data.

Key Features

  • Single chip 100BaseTX/100BaseFX/10BaseT physical layer solution.
  • 2.5V CMOS design, power consumption.

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Datasheet Details

Part number KS8721B
Manufacturer Micrel Semiconductor
File Size 2.41 MB
Description 2.5V 10/100BasTX/FX MII Physical Layer Transceiver
Datasheet download datasheet KS8721B Datasheet

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Other Datasheets by Micrel Semiconductor

Part Number Description
KS8721BL 3.3V 10/100 BASE-TX/FX PHYSICAL LAYER TRANSCEIVER
KS8721BT 2.5V 10/100BasTX/FX MII Physical Layer Transceiver
KS8721CL 3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver
KS8721SL 3.3V 10/100 BASE-TX/FX PHYSICAL LAYER TRANSCEIVER
KS8737 10/100 LV PHY FX

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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KS8721B/BT 2.5V 10/100BasTX/FX MII Physical Layer Transceiver Rev. 2.3 General Description Operating at 2.5 volts to meet low voltage and low power requirements, the KS8721B/BT is a 10BaseT/100BaseTX/FX Physical Layer Transceiver, which provides an MII to transmit and receive data. It contains the 10BaseT Physical Medium Attachment (PMA), Physical Medium Dependent (PMD), and Physical Coding Sub-layer (PCS) functions. Moreover, the KS8721B/BT has on-chip 10BaseT output filtering, which eliminates the need for external filters and allows a single set of line magnetics to be used to meet requirements for both 100BaseTX and 10BaseT. The KS8721B/BT can automatically configure itself for 100 or 10 Mbps and full or half duplex operation, using on-chip Auto-Negotiation algorithm.