Spezifikationen
RTL8367RB‑VB‑CG is a Layer 2 manageable 5+2 port Gigabit Ethernet switch SoC designed by Realtek, integrating 5 built-in Gigabit PHY transceivers and a complete non-blocking switching fabric on a single chip.
Suffix Explanation
- RTL8367RB: Core model of the 7-port Gigabit managed switch chip
- VB: Configuration version supporting dual extended GMAC ports with RGMII/MII configurable modes
- CG: LQFP128 with exposed thermal pad packaging; factory default tape-and-reel packaging for automated SMT mounting
1. Core Port & Protocol Specifications
- Overall port composition: 5 copper RJ45 ports with integrated 10/100/1000M PHY, plus 2 independent extension MAC ports
- All copper ports support 10BASE-T / 100BASE-TX / 1000BASE-T auto negotiation, full duplex at all rates; half duplex only available for 10M/100M
- Two extra GMAC interfaces can be set to RGMII or MII mode, used to connect main CPU, Wi-Fi SoC or external fiber transceivers
- Adopts non-blocking wire-speed switching architecture, embedded packet buffer SRAM and 2K MAC address lookup table with automatic address learning and aging
- Complies with IEEE 802.3, 802.3u, 802.3ab, 802.3x flow control and 802.3az energy-efficient Ethernet standards
- Each port integrates Auto-MDI/MDIX automatic cable polarity correction without manual crossover cable distinction
2. Advanced Network Management Functions
- Supports port-based VLAN, 802.1Q tagged VLAN, guest VLAN and multiple spanning tree protocols
- 8-level QoS priority scheduling based on port priority, 802.1p tag, DSCP and ACL rules, with weighted queuing bandwidth control
- Port mirroring, ingress/egress bandwidth rate limiting, storm suppression for broadcast/multicast packets
- IEEE 802.1X port and MAC-based access authentication to enhance network access security
- Configuration can be loaded from external EEPROM on power-up; register modification via SMI, MIIM or SPI host interfaces
3. Electrical & Clock Requirements
- Single 3.3V main power supply, internal LDO generates core voltage to simplify peripheral power design
- Only a single external 25MHz crystal oscillator is required as system reference clock
- Multiple low-power idle modes to reduce power consumption when ports are disconnected or inactive
- LED indicator pins reserved for link status, speed and duplex state display per port
4. Package & Mechanical Information
- Package type: 128-pin LQFP with exposed EPAD thermal pad
- Package dimension: 14mm × 14mm
- Moisture Sensitivity Level MSL3; reflow soldering must be completed within 168 hours after opening the vacuum moisture-proof package
- The bottom exposed pad greatly improves heat dissipation under continuous high-throughput data forwarding
5. Environmental & Compliance Standards
- Operating ambient temperature range: 0 ℃ ~ +70 ℃
- Fully lead-free, RoHS and REACH compliant with no restricted hazardous substances
- Optimized EMC electromagnetic interference suppression design, suitable for consumer and small industrial network equipment
6. Typical Application Scenarios
5-port / 8-port unmanaged and managed Gigabit desktop switches Home broadband routers, wireless gateway and IPTV set-top box network switching core NVR video recorders, multi-channel IP camera monitoring host main switching unit Industrial Ethernet switches, intelligent gateway and protocol conversion equipment Smart building wiring systems, POS terminals and embedded multi-network port expansion boards
LXB Semicon supplies original Realtek RTL8367RB‑VB‑CG 5+2 port Layer 2 managed Gigabit Ethernet switch IC
