Description

The ML6691CQ is an electronic component in the IC Chips product category. It is designed to implement the upper portion of the physical layer for the Fast Ethernet 100BASE-T standard. The ML6691CQ includes a 4B/5B encoder/decoder, a Stream Cipher scrambler/descrambler, and collision detection. It also features additional functions accessible through the two-wire MII management interface, including full duplex operation, loopback, power down mode, and MII isolation.

Specifications and features

- 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

Application Scenarios

The ML6691CQ is a versatile electronic component designed for various applications. It can be used in networking devices, communication equipment, and other systems that require fast and reliable Ethernet connectivity.

Comparison

The ML6691CQ offers several advantages such as its compliance with the Fast Ethernet 100BASE-T IEEE 802.3µ standard, integrated 4B/5B encoder/decoder and Stream Cipher scrambler/descrambler, and its compatibility with AMD's PDT/PDR and Motorola's FCG. However, one potential disadvantage is its 44-pin PLCC package, which may not be suitable for all applications.

- Conforms to IEEE 802.3µ standard
- Integrated encoder/decoder and scrambler/descrambler
- Compatibility with AMD's PDT/PDR and Motorola's FCG

- 44-pin PLCC package may not be suitable for all applications