Datasheet > PM8375

PM8375

更新时间： 2024-02-14 11:03:12

品牌	Logo	应用领域
PMC		/
页数	文件大小	规格书
2页	50K
描述
Telecom IC,

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中文翻译

获取价格

技术参数
数据手册

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PM8375 技术参数

生命周期：	Obsolete	Reach Compliance Code：	compliant
风险等级：	5.7	Base Number Matches：	1

PM8375 数据手册

PM8375

CTS 4x4G

Advance

4-Port 4.25 Gbit/s FC-AL Cut-Through Switch and Retimer

The PM8375 CTS 4x4G is a 4 port 4.25

Gbit/s FC-AL cut-through switch for

backend storage applications requiring

lower latency and higher performance.

The CTS 4x4G can reside at the

ingress/egress point of an enclosure to

provide retiming and determine if an

incoming frame is destined for a drive

within that enclosure. After determining

which port is associated with the frames

recipient, a cut through operation to that

port is performed thereby significantly

reducing system latency and improving

performance.

CUT-THROUGH SWITCHING

HIGH-SPEED INTERFACE

• Integrated cut-through switching and

arbitration management enables up to

75% improvement in EDR and IOPS.

• Parallel arbitration supported with

arbitration priority and access fairness

preserved.

• Automatic or CPU controlled

initialization of AL_PA table.

• Supports dynamic half-duplex, half/full

duplex operation, LPSM transfer state,

multicast/broadcast, any login

BB_credit value.

• Independent per-channel selectable

high-speed outputs support 8 levels of

programmable pre-emphasis and 8

levels of output swing. Selectable pre-

emphasis counteracts dielectric losses

and allow maximum reach on printed

circuit boards.

• Independent per-channel selectable

high-speed inputs support 30 levels of

programmable receive equalization for

improved signal integrity.

• Integrated 100 Ω differential

termination for improved signal

integrity, smaller solution footprint, and

lower component count.

Additionally, the CTS 4x4G can be used

solely as a retimer for 4.25 Gbit/s Fibre

Channel applications where signals and

links need to meet FC jitter specifica-

tions.

BLOCK DIAGRAM

The CTS 4x4G provides unique disk

isolation features that significantly

increase total system availability,

reliability, and serviceability.

CTS Logic

Arb

Mgmt

FEATURES

Cut Thru

Mgmt

AL_PA

Table

GENERAL

• Rate selectable 1.0625, 2.125, or 4.25

Gbit/s physical interfaces.

• Pin, software and register compatible

with PM8372 PBC 4x2G and PM8377

PBC 4x4G.

• Compliant to FC jitter specifications on

a per-port basis.

Frame Generator

Frame Comparator

• Supports single-ended or differential

106.25 MHz reference clock.

• Per port monitoring and diagnostics:

RDIN[0]

RDIP[0]

RX FIFO

TX FIFO

TDON[0]

TDOP[0]

RDIN[1]

RDIP[1]

•

LPSM Monitoring on each port.

TDON[1]

TDOP[1]

•

Disk isolation and per port serial

loopback.

RDIN[3]

RDIP[3]

TDON[3]

TDOP[3]

•

Configurable Digital Loss of Link:

analog LOS Detect, 8B/10B

disparity errors/error rate, CRC

errors/error rate, word

RX FIFO

TX FIFO

synchronization error/error rate, and

compliant frequency of comma

patterns detected (configurable

thresholds for each with

JTAG

CDRU

CPU

CONTROL

corresponding pin interrupts).

• Supports hardware-only mode with

dedicated programmable pins for

applications that have no CPU/MPU.

• Built-in self test capability with FC

Frame Generator/Comparator.

PMC-2030459

Issue 2

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC.,

AND FOR ITS CUSTOMERS’ INTERNAL USE

中文翻译

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与PM8375相关器件

型号	品牌	获取价格	描述	数据表
PM8378	PMC	获取价格	Telecom IC,
PM8379	PMC	获取价格	20-Port 4.25 Gbit/s FC-AL Cut-Through Switch
PM8380	PMC	获取价格	4-Channel Multiplexer and Link Extender for SAS, SATA, Ethernet and FC
PM8385-NGI	PMC	获取价格	Interface Circuit, CMOS, PBGA196, 15 X 15 MM, 1.40 MM HEIGHT, 1 MM PITCH, ROHS COMPLIANT,
PM8385-NI	PMC	获取价格	Interface Circuit, CMOS, PBGA196, 15 X 15 MM, 1.40 MM HEIGHT, 1 MM PITCH, MO-192AAE-1, CAB
PM8386	PMC	获取价格	Interface Circuit, PBGA289, 19 X 19 MM, 1.76 MM HEIGHT, CABGA-289
PM8399 SXP 24X3GSEC	PMC	获取价格	24-Port SAS Expander with Secure Zoning
PM8399-BGI	ETC	获取价格	24-Port SAS Expander with Secure Zoning
PM-8401	PMI	获取价格	T1/E1/CEPT/ISDN-PRI DUAL PORT ISOLATION TRANSFORMER MODULES
PM-8401N	PMI	获取价格	T1/E1/CEPT/ISDN-PRI DUAL PORT ISOLATION TRANSFORMER MODULES

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