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LTC4304IDD#TRPBF PDF预览

LTC4304IDD#TRPBF

更新时间： 2024-01-02 07:30:00
品牌 Logo 应用领域
凌特 - Linear 光电二极管接口集成电路
页数 文件大小 规格书
16页 624K
描述
LTC4304 - Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery; Package: DFN; Pins: 10; Temperature Range: -40°C to 85°C

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中文翻译

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LTC4304IDD#TRPBF 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：HVSON,
针数：10Reach Compliance Code：compliant
风险等级：5.06接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：S-PDSO-N10JESD-609代码：e3
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：10
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：HVSON
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：0.8 mm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温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 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

LTC4304IDD#TRPBF 数据手册

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LTC4304  
Hot Swappable 2-Wire  
Bus Buffer with Stuck  
Bus Recovery  
U
FEATURES  
DESCRIPTIO  
The LTC®4304 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 LTC4304 provides bidirectional buffering, keeping the  
backplane and card capacitances isolated. If SDAOUT or  
SCLOUTislowfor≥30ms(typ),theLTC4304automatically  
■
Automatic Disconnect of SDA/SCL Lines when Bus  
is Stuck Low for ≥30ms  
■
Fault Flag for Stuck Bus  
■
Recovers Stuck Busses with Automatic Clocking*  
■
Bidirectional Buffer* for SDA and SCL Lines  
Increases Fanout  
■
Prevents SDA and SCL Corruption During Live  
FAULT  
breaks the data and clock bus connection and  
will  
Board Insertion and Removal from Backplane  
pull low. At this time the LTC4304 automatically generates  
up to 16 clock pulses on SCLOUT in an attempt to free the  
bus. A connection will be enabled automatically when the  
bus becomes free. A logic low on the ACC input enables  
the LTC4304’s rise-time accelerators. A logic high on ACC  
disables the rise-time accelerators, which allows SDA and  
■
Allows Bus Pullup Voltages Above and Below V  
CC  
■
±±1kV ꢀuman Bodꢁ ꢂodel ꢃSD Protection  
■
Isolates Input SDA and SCL Lines from Output  
2
2
Compatible with I CTM, I C Fast-Mode and SMBus  
Standards (Up to 400kHz Operation)  
READY Open Drain Output  
■
■
■
■
■
■
SCL bus pull-up voltages below V .  
CC  
1V Precharge on All SDA and SCL Lines  
During insertion, the SDA and SCL lines are precharged  
to 1V to minimize bus disturbances. When driven high,  
ENABLE allows the LTC4304 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.  
High Impedance SDA, SCL Pins for V = 0V  
CC  
ENABLE Gates Connection from Input to Output  
MSOP 10-Pin and DFN (3mm × 3mm) Packages  
U
APPLICATIO S  
■
Hot Board Insertion  
■
Servers  
, 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.  
■
Capacitance Buffer/Bus Extender  
RAID Systems  
■
U
TYPICAL APPLICATIO  
5V 3.3V  
Stuck Bus Resolved with  
Automatic Clocking  
0.01µF  
10k 10k  
V
CC  
10k 10k  
LTC4304  
SDAOUT  
5V/DIV  
STUCK LOW > 30ms  
RECOVERS  
SCLIN  
SCLOUT  
BACK_SCL  
CARD_SCL  
CARD_SDA  
SDAIN  
5V/DIV  
DISCONNECT AT TIMEOUT  
AUTOMATIC CLOCKING  
SDAIN  
SDAOUT  
READY  
SCLOUT  
5V/DIV  
BACK_SDA  
3.3V  
FAULT  
FAULT  
5V/DIV  
ENABLE  
ACC  
GND  
4304 TA01  
100k  
4304 TA01b  
200 s/DIV  
BACKPLANE  
CONNECTOR CONNECTOR  
CARD  
STAGGERED  
4304fa  
1
1234567...16

中文翻译

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LTC4304IDD#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC4304IDD#PBF Linear

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