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参数资料
型号： IDT88P8341BHI
厂商： IDT, Integrated Device Technology Inc
文件页数： 78/96页
文件大小： 0K
描述： IC SPI3-SPI4 EXCHANGE 820-PBGA
标准包装： 24
系列： *
其它名称： 88P8341BHI
8
IDT88P8341 SPI EXCHANGE SPI-3 TO SPI-4
INDUSTRIALTEMPERATURERANGE
APRIL 10, 2006
TYPICAL APPLICATION
Exchange between optical ports and NPU/Traffic Manager
Figure 2. Data Path Diagram
Figure 1. Typical application: optical port and NPU/Traffic Manager
SPI-3
SPI-3 ingress to SPI-4 egress
I/F
Memory
I/F
SPI-4
SPI-4 ingress to SPI-3 egress
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1. INTRODUCTION
The IDT88P8341 device is a SPI-3 to SPI-4 exchange intended for use
in optical line cards, Ethernet transport, and multi-service switches. The SPI-
3 and SPI-4 interfaces are defined by the Optical Interworking Forum.
The device can be used as a rate adapter, a switch, or an aggregation
devicebetweennetworkprocessorunits,multi-gigabitframersandPHYs,and
switch fabric interface devices.
DATA PATH OVERVIEW
Figure 1. Data Path Diagram shows an overview of the data path through
the device.
In normal operation, there are two paths through the IDT88P8341 device:
the SPI-3 ingress to SPI-4 egress path, and the SPI-4 ingress to SPI-3 egress
path. SPI-3 and SPI-4 burst sizes are separately configurable.
In the SPI-3 ingress to SPI-4 egress path, data enter in fragments on the SPI-
3 interface and are received by the SPI-3 interface block. The fragments are
mapped to a SPI-4 address and stored in memory allocated at the SPI-3 level
untilsuchatimethatthePacketFragmentProcessordeterminesthattheyareto
betransmittedontheSPI-4interface.Thedataistransferredinbursts,inlinewith
the OIF SPI-4 implementation agreement, to the SPI-4 interface block, and are
transmitted on the SPI-4 interface.
In the SPI-4 ingress to SPI-3 egress path, data enter in bursts on the SPI-4
interface and are received by the SPI-4 interface block. The SPI-4 address is
translated to a SPI-3 address, and the data contained in the bursts are stored
inmemoryallocatedattheSPI-3leveluntilsuchatimethatthePacketFragment
ProcessordeterminesthattheyaretobetransmittedontheSPI-3interface.The
dataistransferredinpacketfragments,inlinewiththeOIFSPI-3implementation
agreement, to the SPI-3 interface block, and are transmitted on the SPI-3
interface.
Multi-Rate
SONET
Framer
SPI-3
IDT88P8341
NPU
SPI-4
Control
Processor
OC-48/
4xOC-12/
16xOC-3
PCI
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相关代理商/技术参数
参数描述
IDT88P8342BHGI 功能描述:IC SPI3-SPI4 EXCHANGE 820-PBGA RoHS:是 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA（27x27） 包装:散装
IDT88P8342BHI 功能描述:IC SPI3-SPI4 EXCHANGE 820-PBGA RoHS:否 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA（27x27） 包装:散装
IDT88P8344 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:SPI EXCHANGE 4 x SPI-3 TO SPI-4 Issue 1.0
IDT88P8344BHGI 功能描述:IC SPI3-SPI4 EXCHANGE 820-PBGA RoHS:是 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA（27x27） 包装:散装
IDT88P8344BHI 功能描述:IC SPI3-SPI4 EXCHANGE 820-PBGA RoHS:否 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA（27x27） 包装:散装
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