微芯 以太网开关集成电路, 64引脚, QFN封装

The KSZ8864RMN is a highly-integrated, Layer 2 managed 4-port switch with optimized design, plentiful features and smallest package size. It is designed for cost-sensitive 10/100Mbps 4-port switch systems with on-chip termination, lowest-power consumption, and small package to save system cost.

Advanced switch features
Fully managed 4-port 10/100Mbps switch with dual MII/RMII interfaces
VLAN
QoS packet prioritization
rapid spanning tree protocol (RSTP)
Programmable rate limiting at the ingress and egress on a per port and priority basis
Source MAC address filtering for ring support
MIB counters for fully compliant statistics, gathering 34 MIB counters per port
Ultra-low power consumption with integrated line termination
Single 3.3V supply with internal 1.2V LDO controller
Flexible VDDIO support 3.3V, 2.5V, and 1.8V

Industrial temperature range: -40°C to +85°C
Small 64-Pin 8mm x 8mm QFN