DS33Z44

更新时间： 2024-11-26 22:13:23

品牌	Logo	应用领域
美信 - MAXIM		以太网
页数	文件大小	规格书
181页	1049K
描述
Quad Ethernet Mapper

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中文翻译

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数据手册
替代型号

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DS33Z44 数据手册

DS33Z44

Quad Ethernet Mapper

www.maxim-ic.com

GENERAL DESCRIPTION

FEATURES

Cꢀ Four 10/100 IEEE 802.3 Ethernet MACs (MII and

RMII) Half/Full Duplex with Automatic Flow

Control

The DS33Z44 extends four 10/100 Ethernet LAN

segments by encapsulating MAC frames in HDLC or

X.86 (LAPS) for transmission over four PDH/TDM

data streams. The serial links support bidirectional

synchronous interconnect up to 52Mbps over xDSL,

T1/E1/J1, T3/E3, V.35/Optical, OC-1/EC-1, or

SONET/SDH Tributary.

Cꢀ Four 52Mbps Synchronous TDM Serial Ports

with independent transmit and receive timing.

Cꢀ HDLC/LAPS Encapsulation with Programmable

FCS and Interframe Fill

The device performs store-and-forward of packets

with full wire-speed transport capability. The built-in

Committed Information Rate (CIR) controllers

provide fractional bandwidth allocation up to the line

rate in increments of 512kbps. The DS33Z44 can

operate with an inexpensive external processor,

EEPROM or in a stand-alone hardware mode.

Cꢀ Committed Information Rate Controllers Provide

Fractional Allocations in 512kbps Increments

Cꢀ Programmable BERT for Serial (TDM) Interfaces

Cꢀ External 16MB, 100MHz SDRAM Buffering

Cꢀ Parallel Microprocessor Interface

APPLICATIONS

Transparent LAN Service

Cꢀ SPI Interface and Hardware Mode for Operation

LAN Extension

Without a Host Processor

Ethernet Delivery Over T1/E1/J1, T3/E3,

OC-1/EC-1, G.SHDSL, or HDSL2/4

Cꢀ 1.8V Operation with 3.3V Tolerant I/O

Cꢀ IEEE 1149.1 JTAG Support

FUNCTIONAL DIAGRAM

Features Continued on Page 10.

DS33Z44

4 SERIAL

TRANSCEIVERS/

ORDERING INFORMATION

SERIAL DRIVERS

PORTS

PART

TEMP RANGE

PIN-PACKAGE

DS33Z44

-40°C to +85°C

256 CSBGA

CONFIG.

LOADER

BERT

PROM

Go to www.maxim-ic.com/telecom for

complete list of

Telecommunications data sheets, evaluation kits, application

notes, and software downloads.

OR ꢀC

HDLC/X.86

MAPPER

SDRAM

4 10/100

MACs

4 10/100

ETHERNET

PHYs

4 MII/RMII

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

1 of 181

REV: 120304

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中文翻译

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DS33Z44 替代型号

型号	品牌	替代类型	描述	数据表
DS33Z44+	MAXIM	类似代替	Support Circuit, PBGA256, 17 X 17 MM, 1 MM PITCH, CSBGA-256

与DS33Z44相关器件

型号	品牌	获取价格	描述	数据表
DS33Z44+	MAXIM	获取价格	Support Circuit, PBGA256, 17 X 17 MM, 1 MM PITCH, CSBGA-256
DS33ZH11	MAXIM	获取价格	Ethernet Mapper
DS33ZH11+	MAXIM	获取价格	Support Circuit, PBGA100, 10 X 10 MM, 1.41 MM HEIGHT, 0.80 MM PITCH, CSBGA-100
DS34	LUMILEDS	获取价格	power light source Luxeon V Emitter
DS3480SY46	DYNEX	获取价格	Rectifier Diode,
DS3486	TI	获取价格	四路 RS-422/RS-423 线路接收器
DS3486	NSC	获取价格	Quad RS-422, RS-423 Line Receiver
DS3486	HGSEMI	获取价格	四路 RS-422/RS-423 线路接收器
DS3486_07	NSC	获取价格	Quad RS-422, RS-423 Line Receiver
DS3486J/A+	ETC	获取价格	Line Receiver

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