KSZ8993MI

Product Summary

The KSZ8993MI is a a highly integrated Layer 2 managed switch. It is designed for low port count, cost-sensitive 10/100 Mbps switch systems. The KSZ8993MI offers an extensive feature set that includes tag/port-based VLAN, quality of service (QoS) priority, management, management information base (MIB) counters, MII/SNI, and CPU control/data interfaces to effectively address both current and emerging Fast Ethernet applications. The applications of the KSZ8993MI are Broadband gateway / Firewall / VPN, Integrated DSL or cable modem multi-port router, Wireless LAN access point + gateway, Residential and enterprise VoIP gateway/phone, Set-top/game box, Home networking expansion, Standalone 10/100 switch, FTTx customer premises equipment, Fiber broadband gateway.

Parametrics

KSZ8993MI absolute maximum ratings: (1)Supply Storage,N/A:-55℃ to 150℃ ; (2)Supply Voltage:VDDA, VDDAP, VDDC:–0.5V to 2.4V,VDDATX, VDDARX, VDDIO:–0.5V to 4.0V ; (3)Input Voltage (all inputs):–0.5V to 4.0V ; (4)Output Voltage (all outputs:–0.5V to 4.0V ; (5)Storage Temperature (Ts),N/A:-55℃ to 150℃.

Features

KSZ8993MI features: (1)2nd generation switch with three MACs and two PHYs; (2)fully compliant to IEEE 802.3u standard; (3)Non-blocking switch fabric assures fast packet delivery; (4)by utilizing a 1K MAC address lookup table and a store-and-forward architecture; (5)Full duplex IEEE 802.3x flow control (pause) with force mode option; (6)Half-duplex back pressure flow control; (7)Automatic MDI/MDI-X crossover with disable and enable option ; (8)100BASE-FX support on port 1; (9)MII interface supports both MAC mode and PHY mode ; (10)7-wire serial network interface (SNI) support for legacy MAC ; (11)Comprehensive LED Indicator support for link, activity, full/half duplex and 10/100 speed; (12)Serial management interface (SMI) to all internal registers ; (13)MII management (MIIM) interface to PHY registers; (14)SPI and I2C Interface to all internal registers; (15)I/0 Pins strapping and EEPROM to program selective registers in unmanaged switch mode; (16)IEEE 802.1q VLAN support for up to 16 groups (full-range of VLAN ID) ; (17)VLAN ID tag/untag options, per port basis ; (18)IEEE 802.1p/q tag insertion or removal on a per port basis(egress) ; (19)Programmable rate limiting from 0Mbps to 100Mbps at the ingress and egress port, rate options for high and low priority per port basis ; (20)Broadcast storm protection with % control (global and per port basis) ; (21)IEEE 802.1d spanning tree protocol support ; (22)Upstream special tagging mode to inform the processor which ingress port receives the packet ; (23)IGMP v1/v2 snooping support for multicast packet filtering ; (24)Double-tagging support.

Diagrams