Datasheet > LTC4303CMS8PBF

LTC4303CMS8PBF

更新时间： 2024-02-19 20:27:37

品牌	Logo	应用领域
LINEAR_DIMENSIONS		/
页数	文件大小	规格书
12页	555K
描述
Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery

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中文翻译

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技术参数
数据手册

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LTC4303CMS8PBF 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
零件包装代码：	MSOP	包装说明：	TSSOP, TSSOP8,.19
针数：	8	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.03	Is Samacsys：	N
接口集成电路类型：	INTERFACE CIRCUIT	JESD-30 代码：	S-PDSO-G8
JESD-609代码：	e3	长度：	3 mm
湿度敏感等级：	1	功能数量：	1
端子数量：	8	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP8,.19
封装形状：	SQUARE	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	电源：	3/5 V
认证状态：	Not Qualified	座面最大高度：	1.1 mm
子类别：	Other Interface ICs	最大压摆率：	8 mA
最大供电电压：	5.5 V	最小供电电压：	2.7 V
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	3 mm
Base Number Matches：	1

LTC4303CMS8PBF 数据手册

LTC4303

Hot Swappable 2-Wire

Bus Buffer with Stuck

Bus Recovery

FEATURES

DESCRIPTIO

The LTC^®4303 hot swappable 2-wire Bus Buffer allows I/O

card insertion into a live backplane without corruption of

the data and clock busses. When a connection is made,

the LTC4303 provides bidirectional buffering, keeping the

backplane and card capacitances isolated. If SDAOUT or

SCLOUTislowfor≥30ms(typ),theLTC4303automatically

breaks the data and clock bus connection. At this time the

LTC4303automaticallygeneratesupto16clockpulseson

SCLOUT in an attempt to free the bus. A connection will

be enabled automatically when the bus becomes free.

■

Automatic Disconnect of SDA/SCL Lines when Bus

is Stuck Low for ≥ 30ms

■

Recovers Stuck Busses with Automatic Clocking*

■

Bidirectional Buffer* for SDA and SCL Lines

Increases Fanout

■

Prevents SDA and SCL Corruption During Live

Board Insertion and Removal from Backplane

■

Pin Compatible with LTC4300A-1

■

1ꢀkꢁ ꢂuman Bodꢃ ꢄodel ꢅSD Protection

■

Isolates Input SDA and SCL Lines from Output

Compatible with I C^TM, I C Fast-Mode and SMBus

Standards (Up to 400kHz Operation)

READY Open Drain Output

■

Rise-timeacceleratorcircuitryallowstheuseoflargerpull-

up resistance while still meeting rise-time requirements.

During insertion, the SDA and SCL lines are precharged

to 1V to minimize bus disturbances. When driven high,

ENABLE allows the LTC4303 to connect after a stop bit or

busidleoccurs.DrivingENABLElowbreakstheconnection

betweenSDAINandSDAOUT,SCLINandSCLOUT.READY

is an open drain output that indicates when the backplane

and card sides are connected together.

■

1V Precharge on All SDA and SCL Lines

High Impedance SDA, SCL Pins for V = 0V

ENABLE Gates Connection from Input to Output

^{MSOP 8-Pin and}U^{DFN (3mm × 3mm) Packages}

APPLICATIO S

■

Hot Board Insertion

■

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Protected by U.S. Patents including 6356140, 6650174, 7032051.

Servers

■

Capacitance Buffer/Bus Extender

■

RAID Systems

TYPICAL APPLICATIO

Stuck Bus Resolved

with Automatic Clocking

5V 3.3V

0.01

10k 10k

LTC4303

SDAOUT

5V/DIV

SCLIN

SCLOUT

STUCK LOW > 30ms

RECOVERS

BACK_SCL

CARD_SCL

CARD_SDA

DISCONNECT AT TIMEOUT

AUTOMATIC CLOCKING

SDAIN

5V/DIV

SDAIN

SDAOUT

READY

BACK_SDA

3.3V

SCLOUT

5V/DIV

ENABLE

GND

100k

4303 TA01

4303 TA01b

200 s/DIV

BACKPLANE

CONNECTOR CONNECTOR

CARD

STAGGERED

4303fb

12 3 4 5 6 7...12

中文翻译

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与LTC4303CMS8PBF相关器件

型号	品牌	获取价格	描述	数据表
LTC4303IDD	Linear	获取价格	Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery
LTC4303IDD#PBF	Linear	获取价格	LTC4303 - Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery; Package: DFN; Pins: 8;
LTC4303IDD#TR	Linear	获取价格	LTC4303 - Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery; Package: DFN; Pins: 8;
LTC4303IDD#TRPBF	Linear	获取价格	暂无描述
LTC4303IMS8	Linear	获取价格	Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery
LTC4303IMS8#PBF	Linear	获取价格	LTC4303 - Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery; Package: MSOP; Pins: 8;
LTC4303IMS8#TRPBF	Linear	获取价格	LTC4303 - Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery; Package: MSOP; Pins: 8;
LTC4304	Linear	获取价格	Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery
LTC4304	ADI	获取价格	具阻塞总线恢复功能的可热插拔型二线式总线缓冲器
LTC4304CDD	Linear	获取价格	Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery

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