KSZ8995FQI
Specialized ICs
Technical Specifications
| Type | Description |
|---|---|
| Operating Temp | -40°C ~ +85°C |
| Type | - |
| Working Voltage V | 3.3 V |
| Channels | 5.0 |
| Type | Description |
|---|---|
| Function | Support optical fiber;Programmable LED indication;Low-power mode |
| Ethernet Speed Standards | 10BASE-T;100BASE-TX;100BASE-FX |
| MAC Interface | MII |
| Package / Case | PQFP-128 |
Product Introduction
The KS8995MA/FQ is a highly-integrated Layer 2 managed switch with optimized bill of materials (BOM) cost for low port count, cost-sensitive 10/100Mbps switch systems with both copper and optic fiber media. It also provides an extensive feature set such as tag/port-based VLAN, quality of service (QoS) priority, management, MIB counters, dual MII interfaces and CPU control/data interfaces to effectively address both current and emerging fast Ethernet applications.
The KS8995MA/FQ contains five 10/100 transceivers with patented mixed-signal low-power technology, five media access control (MAC) units, a high-speed non-blocking switch fabric, a dedicated address lookup engine, and an on-chip frame buffer memory.
All PHY units support 10BASE-T and 100BASE-TX. In addition, two of the PHY units support 100BASE-FX on ports 4 and 5 for KSZ8995MA, two of the PHY units support 100BASE-FX on ports 3 and 4 for KSZ8995FQ.
Features
- Integrated switch with five MACs and five IEEE 802.3u-compliant Fast Ethernet transceivers
- Shared memory-based switching fabric, fully non-blocking configuration
- 1.4Gbps high-performance memory bandwidth
- 10BASE-T, 100BASE-TX, and 100BASE-FX modes
- Dual MII configuration: MII-Switch (MAC or PHY mode MII) and MII-P5 (PHY mode MII)
- IEEE 802.1q tagged VLAN (16 VLANs, full-range VID) for DMZ port, WAN/LAN separation, or inter-VLAN switching links
- Per-port VLAN ID tagging/untagging options
- Programmable rate limiting 0Mbps to 100Mbps, ingress and egress ports, high- and low-priority rate options, in 32Kbps increments on a per-port basis
- Flow control or drop-based rate limiting (ingress port)
- Integrated MIB counters for fully standards-compliant statistics collection, 34 MIB counters per port
- Enable/disable option supporting jumbo frame sizes up to 1916 bytes per frame
- IGMP v1/v2 snooping for multicast packet filtering
- Special tag mode for forwarding CPU information to port values of ingress packets
- SPI slave (full) and MDIO (MII PHY only) serial management interfaces for control register configuration
- MAC-ID-based security lockout option
- On-the-fly control register configuration (port priority, 802.1p/q, auto-negotiation, etc.)
- CPU read access to MAC forwarding table entries
- 802.1d Spanning Tree Protocol
- Port mirroring/monitoring/snooping: ingress and/or egress traffic to any port or MII
- Broadcast storm protection with percentage control — global and per-port basis
- Optimized fiber-to-copper media conversion
- Full-chip hardware power-down support (register configuration not retained)
- Per-port software power saving on PHY (idle link detection, register configuration retained)
- QoS/CoS packet priority support:
- Per-port 802.1p/q tag insertion or removal based on 802.1p and DiffServ (egress)
- MDC and MDI/O interface for accessing MII PHY control registers (not all control registers)
- MII local loopback support
- On-chip 64K-byte memory for frame buffering (not shared with 1K unicast address table)
- Wire-speed receive and transmit
- Integrated lookup engine with dedicated 1K MAC addresses
- Full-duplex IEEE 802.3x and half-duplex backpressure flow control
- Comprehensive LED support
- 7-wire SNI support for legacy MAC interface
- Auto MDI/MDI-X crossover, plug-and-play
- Disable auto MDI/MDI-X option
- Low power consumption:
- Core: 1.8V
- Digital I/O: 3.3V
- Analog I/O: 3.3V
- 0.18μm CMOS technology
- Temperature range:
- Commercial: 0°C to +70°C
- Industrial: -40°C to +85°C
- 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 | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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