|
|
PDF IDT75K72234 Data sheet ( Hoja de datos )
| Número de pieza | IDT75K72234 | |
| Descripción | 18M Network Search Engine (NSE) | |
| Fabricantes | Integrated Device Technology | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de IDT75K72234 (archivo pdf) en la parte inferior de esta página. Total 1 Páginas | ||
|
No Preview Available !
18M Network Search
Engine (NSE) with
Dual LA-1 Interface
(QDR™II Interface Compliant)
Datasheet
Brief
IDT75K72234
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
ofService(QoS)supportandaccesscontrol. Tomeetthisneed,IDThas
developed network search engines that accelerate packet processing at
www.DataSheeOt4CU-.1c9o2mdata rates and beyond.
Device Description
The18MNSEwithDualLA-1interface isintendedtoworkwithNPUs
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
■ 256K x 72 (18M) Data and Mask cells
■ Full Ternary Content Addressable Memory
■ Supports up to 250 Million searches per second
■ DynamicDatabaseManagement™
- ConfigurableDatabasewidths
- 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-HitLookup
- Multi-DatabaseLookup
- Re-Issue Multi-Database Lookup
- SimultaneousMulti-DatabaseLookup
■ Maintenance Features
- Per entry aging support with notification
- MultiHitInvalidate
- Learn per Database
■ Search with learn
- Automaticlearning
- Duplicate learn prevention per database
■ Multiple return index formats
■ Flexible Associated Data Management
- 0, 32, 64, or 128 bits of Associated Data per entry
■ InstructionCompletionNotification
■ Multiple contexts per interface
■ Pool of 72-bit Global Mask Registers (shared across contexts)
■ Parity support for interfaces and CAM core
■ 35mm x 35mm thermally efficient 900 BGA Package
External Interfaces
■ Two independent LA-1 (QDRII compliant) interfaces
- Frequency range from 133MHz up to 250 MHz
- Supports burst of 2 data transfers
- Echo clocks supported (CQ, CQ)
- Dynamic or programmable output impedance control
■ PCI2.2compliantinterface
- OptimizedforNSEmanagement
■ CascadeInterface
- 8 NSEs in a Point-to-Point Cascade
- Up to 4 Multi-Drop cascades to a single LA-1
interface
- Supports up to 32 devices per LA-1 interface
■ NSE attached associated SRAM glueless ZBT®Interface
■ IEEE 1149.1-2001 compliant JTAG Interface
Simplified Block Diagram
LA-1
Read
Control
Logic
LA-1
Interface
LA-1
Write
Control
Logic
1.5V
HSTL
LA-1
Read
Control
Logic
PCI Interface
3.3V TTL
CAM Core
Segment 0
Segment 1
Segment 2
LA-1
Interface
LA-1
Write
Control
Logic
Segment n-1
Segment n
JTAG Interface
2.5V LVTTL
Cascade
Interface
1.5V
HSTL
ZBT
Interface
2.5V
LVTTL
6104 drw00
MAY 2004
1
2003 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. QDR™ II- Quad Data Rate DSC-6104/03
Trademark of Cypress, IDT, Micron, NEC and Samsung). All brands or products are the trademarks or registered trademarks of their respective
owners. ZBT® and Zero Bus Turnaround are trademarks of Integrated Device Technology, Inc. LA-1 refers to the approved NPF(www.npforum.org)
Look Aside Interface implementation agreement ‘Look Aside Interface LA-1.0 (www.npforum.org/techinfo/f2001.114.14a.pdf)
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet IDT75K72234.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| IDT75K72234 | 18M Network Search Engine (NSE) | Integrated Device Technology |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |