DS26900N+

更新时间： 2024-11-09 02:50:43

品牌	Logo	应用领域
美信 - MAXIM		复用器开关
页数	文件大小	规格书
50页	447K
描述
JTAG Multiplexer/Switch

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技术参数
数据手册

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DS26900N+ 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	LFQFP,
针数：	144	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.83
模拟集成电路 - 其他类型：	SINGLE-ENDED MULTIPLEXER	JESD-30 代码：	S-PQFP-G144
长度：	20 mm	信道数量：	3
功能数量：	1	端子数量：	144
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	LFQFP
封装形状：	SQUARE	封装形式：	FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
座面最大高度：	1.6 mm	最大供电电压 (Vsup)：	3.465 V
最小供电电压 (Vsup)：	3.135 V	标称供电电压 (Vsup)：	3.3 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	20 mm	Base Number Matches：	1

DS26900N+ 数据手册

Rev: 072707

DS26900

JTAG Multiplexer/Switch

General Description

Features

♦

Efficient Solution for Star Architecture JTAG

The DS26900 is a JTAG signal multiplexer providing

connectivity between one of three master ports and

up to 18 (36 in cascade configuration) secondary

ports. The device is fully configurable from any one of

the three master ports. The DS26900 can

automatically detect the presence JTAG devices on

the secondary ports.

Provides Transparent Communications

Between the Arbitrated Master and a Selected

Secondary Port

♦

Single-Package Solution Provides 18

Secondary Ports

Two-Package Cascade Configuration

Provides 36 Secondary Ports

The DS26900 can be used in multiple configurations

including as a single device, two cascaded devices,

or two redundant devices.

♦

Three Arbitrated Master Ports

Autodetection of Port Presence

Internal Pullup/Down Resistors

Two 32-Bit Scratchpad Registers

All device control and configuration is accomplished

through standard JTAG operations via the selected

master port.

Four GPIO Pins for Read/Write Control and

Signaling Applications

Applications

♦

Operation Up to 50MHz

MicroTCA Chassis

ATCA Chassis

AMC Carrier Cards

JSM Modules

Signal Path Modification Options

Redundancy with High-Impedance Pin

Independent Periphery JTAG

System Level JTAG

Configuration Mode Uses IEEE 1149.1 TAP

Controller

MicroTCA JSM Functional Diagram

♦

Supports Live Insertion/Withdrawal

3.3V Operation

AMC1

Industrial Temperature Operation

RoHS-Compliant Packaging

MCH1

MASTER3

AMC2

DS26900

JTAG

SWITCH

AMC3

MCH2

Ordering Information

MASTER2

AMC4

PART

DS26900N+

TEMP RANGE

PIN-PACKAGE

144 LQFP

-40°C to +85°C

CRAFT

AMCn

MASTER1

+Denotes a lead-free package.

AMC18

_____________________________________________ Maxim Integrated Products

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, go to: www.maxim-ic.com/errata. For pricing,

delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit

Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...50

中文翻译

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