KSZ8995MI
Specialized ICs
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 3.3 V |
| Channels | 5.0 |
| Function | Support optical fiber;Programmable LED indication |
| Type | Description |
|---|---|
| MAC Interface | MII;SNI |
| Ethernet Speed Standards | 10BASE-T;100BASE-TX;100BASE-FX |
| Package / Case | PQFP-128 |
Product Introduction
The KS8995M is a highly integrated Layer-2 managed switch with optimized BOM (Bill of Materials) cost for low port count, cost-sensitive 10/100Mbps switch systems. It also provides an extensive feature set such as tag/port-based VLAN, QoS (Quality of Service) priority, management, MIB counters, dual MII interfaces and CPU control/data interfaces to effectively address both current and emerging Fast Ethernet applications.
The KS8995M contains five 10/100 transceivers with patented mixed-signal low-power technology, five MAC (Media Access Control) units, a high-speed non-blocking switch fabric, a dedicated address look-up engine, and an on-chip frame buffer memory.
All PHY units support 10BaseT and 100BaseTX. In addition, two of the PHY units support 100BaseFX (Ports 4 and 5).
Features
- Integrated switch with five MACs and five Fast Ethernet transceivers fully compliant to IEEE 802.3u standard
- Shared memory based switch fabric with fully nonblocking configuration
- 1.4Gbps high-performance memory bandwidth
- 10BaseT, 100BaseTX and 100BaseFX modes (FX in Ports 4 and 5)
- Dual MII configuration: MII-Switch (MAC or PHY mode MII) and MII-P5 (PHY mode MII)
- IEEE 802.1q tag-based VLAN (16 VLANs, full-range VID) for DMZ port, WAN/LAN separation or inter-VLAN switch links
- VLAN ID tag/untag options, per-port basis
- Programmable rate limiting 0Mbps to 100Mbps, ingress and egress port, rate options for high and low priority, per-port-basis
- Flow control or drop packet rate limiting (ingress port)
- Integrated MIB counters for fully compliant statistics gathering, 34 MIB counters per port
- Enable/Disable option for huge frame size up to 1916 bytes per frame
- IGMP v1/v2 snooping for multicast packet filtering
- Special tagging mode to send CPU info on ingress packet’s port value
- SPI slave (complete) and MDIO (MII PHY only) serial management interface for control of register configuration
- MAC-id based security lock option
- Control registers configurable on-the-fly (port-priority, 802.1p/d/q, AN...)
- CPU read access to MAC forwarding table entries
- 802.1d Spanning Tree Protocol
- Port mirroring/monitoring/sniffing: ingress and/or egress traffic to any port or MII
- Broadcast storm protection with percent control – global and per-port basis
- Optimization for fiber-to-copper media conversion
- Full-chip hardware power-down support (register configuration not saved)
- Per-port based software power-save on PHY (idle link detection, register configuration preserved)
- QoS/CoS packets prioritization supports: per port, 802.1p and DiffServ based
- 802.1p/q tag insertion or removal on a per port basis (egress)
- MDC and MDI/O interface support to access the MII PHY control registers (not all control registers)
- MII local loopback support
- On-chip 64Kbyte memory for frame buffering (not shared with 1K unicast address table)
- Wire-speed reception and transmission
- Integrated look-up engine with dedicated 1K MAC addresses
- Full duplex IEEE 802.3x and half-duplex back pressure flow control
- Comprehensive LED support
- 7-wire SNI support for legacy MAC interface
- Automatic MDI/MDI-X crossover for plug-and-play
- Disable Automatic MDI/MDI-X option
- Low power: Core: 1.8V I/O: 2.5V or 3.3V
- 0.18μm CMOS technology
- Commercial temperature range: 0℃ to +70℃
- Industrial temperature range: -40℃ to +85℃
- Available in 128-pin PQFP package
Applications
- - Broadband gateway/firewall/VPN - Integrated DSL or cable modem multi-port router - Wireless LAN access point plus gateway - Home networking expansion - Standalone 10/100 switch - Hotel/campus/MxU gateway - Enterprise VoIP gateway/phone - FTTx customer premise equipment - Managed media converter
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | 5A991B1 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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