Overview
The KSZ8081RNB / KSZ8091RNB is a 10Base-T/100Base-TX Physical Layer Transceiver with an RMII MAC interface. It utilizes a unique mixed-signal design to extend signaling distance while reducing power consumption, and offers HP Auto MDI/MDI-X for reliable detection of and correction for crossover and straight-through cables, eliminating the need to differentiate between crossover and straight-through cables. The KSZ8091RNB supports Energy Efficient Ethernet (EEE) and Wake-On-LAN (WOL), while the KSZ8081RNB does not. The KSZ8081RNB / KSZ8091RNB comes in a 32-pin, lead-free QFN package and provides an ideal solution for 10Base-T/100Base-TX applications that have tight PCB board space. The KSZ8081RNB and KSZ8091RNB Eval Boards (KSZ8081RNB-EVAL and KSZ8091RNBEVAL) provide a convenient platform to evaluate the features of the device. All configuration pins are accessible either by jumpers, test points or interface connectors.
- KSZ8081RNB or KSZ8091RNB 10Base-T/100Base-TX Physical Layer Transceiver
- RJ-45 Jack for Fast Ethernet cable interface
- HP Auto MDI/MDI-X for automatic detection and correction for straight-through and crossover cables
- RMII (Reduced Media Independent Interface) using an MII connector to interface with a MAC controller
- 2 LED Indicators for status and activity
- Jumpers to configure strapping pins
- Manual Reset Button for quick reboot after re-configuration of strapping pins
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Documentation
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| KSZ8091RNA-RND Brochure | Brochures | Download | ||
| Recommended Land Pattern for QFN 5x5 32 Lead | Miscellaneous | Download | ||
| KSZ80x1 (32-QFN) Eval Board Rev 1.3 | Board Design Files | Download | ||
| KSZ80x1 (32-QFN) Eval Board Rev 1.3 (PDF) | Board Design Files | Download | ||
| KSZ8081/8091 Eval Board Read Me First | Miscellaneous | Download | ||
| KSZ8081_8091 Software Tools | Software Libraries and Firmware | Download | ||
| KSZ8051 to KSZ8081/91 (32-QFN) Migration | Supporting Collateral | Download | ||
| KSZ80x1 (32-QFN) Eval Board Rev 1.3 Gerber | Board Design Files | Download | ||
| KSZ80x1 (32-QFN) Eval Board Rev 1.3 Gerber (PDF) | Board Design Files | Download |