IDT75K72234

18M Network Search Engine (NSE) with Dual LA-1 Interface (QDR™II Interface Compliant) Introduction With the expanding Internet, all levels of the network must become faster. This requires high-speed packet searches, which are essential for routing, but also necessary for higher-level functions such as Quality of Service (QoS) support and access control. To meet this need, IDT has developed network search engines that accelerate packet processing at OC-192 data rates and beyond. www.DataSheet4U.com Datasheet Brief IDT75K72234 Device Description The 18M NSE with Dual LA-1 interface is intended to work with NPUs having a Look Aside Interface. Multiple devices including the 18M Dual LA-1 NSE can be connected to the same LA-1 interface. Each 18M Dual LA-1 NSE device may be optionally point-to-point expanded up to eight NSE devices. NSE Features ■ ■ External Interfaces ■ 256K x 72 (18M) Data and Mask cells Full Ternary Content Addressable Memory ■ Supports up to 250 Million searches per second ■ Dynamic Database Management™ - Configurable Database widths - Databases are selectable per NSE command ■ Programmable Power Management - Only the selected Database consumes power - PowerSave logic provides additional power savings ■ Lookup (Search) Instructions - Standard Lookup - Multi-Hit Lookup - Multi-Database Lookup - Re-Issue Multi-Database Lookup - Simultaneous Multi-Database Lookup ■ Maintenance Features - Per entry aging support with notification - Multi Hit Invalidate - Learn...