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ML6691 - 100BASE-T MII-to-PMD Transceiver

General Description

The ML6691 implements the upper portion of the physical layer for the Fast Ethernet 100BASE-T standard.

Functions contained in the ML6691 include a 4B/5B encoder/ decoder, a Stream Cipher scrambler/descrambler, and collision detect.

accessible through the

Key Features

  • s s s s s s s s s Conforms to the Fast Ethernet 100BASE-T IEEE 802.3µ standard Integrated 4B/5B encoder/decoder Integrated Stream Cipher scrambler/descrambler Compliant MII interface Two-wire serial interface management port for configuration and control On-chip 25 MHz crystal oscillator Interfaces to either AMD’s PDT/PDR (AM79865/79866) or Motorola’s FCG (MC68836) Used with ML6673 for 100BASE-TX solutions 44-pin PLCC package.
  • This Part Is End Of Life As Of August 1, 2000 BLOCK.

📥 Download Datasheet

Datasheet Details

Part number ML6691
Manufacturer Micro Linear
File Size 143.08 KB
Description 100BASE-T MII-to-PMD Transceiver
Datasheet download datasheet ML6691 Datasheet

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Other Datasheets by Micro Linear

Part Number Description
ML6692 100BASE-TX Physical Layer with MII
ML6694 100BASE-TX Physical Layer with 5-Bit Interface
ML6695 100BASE-X Fiber Physical Layer With 5-bit Interface
ML6696 100BASE-X Fiber Physical Layer
ML6697 100BASE-TX Physical Layer with MII

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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March 1997 ML6691* 100BASE-T MII-to-PMD Transceiver GENERAL DESCRIPTION The ML6691 implements the upper portion of the physical layer for the Fast Ethernet 100BASE-T standard. Functions contained in the ML6691 include a 4B/5B encoder/ decoder, a Stream Cipher scrambler/descrambler, and collision detect. Additional functions of the ML6691 — accessible through the two-wire MII management interface — include full duplex operation, loopback, power down mode, and MII isolation. The ML6691 is designed to interface to a 100BASE-T Ethernet Media Access Controller (MAC) via the MII (Media Independent Interface) on one side, and a 100BASE-X PMD transceiver on the other side.