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PCA9306DQER PDF预览

PCA9306DQER

更新时间： 2024-11-27 02:58:15
品牌 Logo 应用领域
德州仪器 - TI 光电二极管接口集成电路
页数 文件大小 规格书
16页 421K
描述
DUAL BIDIRECTIONAL I2C BUS AND SMBus VOLTAGE-LEVEL TRANSLATOR

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PCA9306DQER 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SON
包装说明：VSON, SOLCC8,.04,14针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：8 weeks
风险等级：1.5接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：R-PDSO-N8JESD-609代码：e4
长度：1.4 mm湿度敏感等级：1
功能数量：2端子数量：8
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：VSON
封装等效代码：SOLCC8,.04,14封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, 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：0.4 mm
子类别：Other Interface ICs最大供电电压：5 V
最小供电电压：电源电压1-最大：5.5 V
电源电压1-分钟：1.8 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：NO LEAD端子节距：0.35 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：1 mmBase Number Matches：1

PCA9306DQER 数据手册

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PCA9306  
www.ti.com ....................................................................................................................................................... SCPS113I–OCTOBER 2004–REVISED JULY 2008  
DUAL BIDIRECTIONAL I2C BUS AND SMBus  
VOLTAGE-LEVEL TRANSLATOR  
1
FEATURES  
•
2-Bit Bidirectional Translator for SDA and SCL  
•
•
•
•
Lock-Up-Free Operation for Isolation When  
EN = Low  
Lines in Mixed-Mode I2C Applications  
•
•
I2C and SMBus Compatible  
Flow-Through Pinout for Ease of Printed  
Circuit Board Trace Routing  
Less Than 1.5-ns Maximum Propagation Delay  
to Accommodate Standard-Mode and  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
Fast-Mode I2C Devices and Multiple Masters  
•
Allows Voltage-Level Translator Between  
ESD Protection Exceeds JESD 22  
–
1.2-V VREF1 and 1.8-V, 2.5-V, 3.3-V,  
or 5-V VREF2  
–
–
–
2000-V Human-Body Model (A114-A)  
200-V Machine Model (A115-A)  
–
–
–
1.8-V VREF1 and 2.5-V, 3.3-V, or 5-V VREF2  
2.5-V VREF1 and 3.3-V or 5-V VREF2  
3.3-V VREF1 and 5-V VREF2  
1000-V Charged-Device Model (C101)  
DCT OR DCU PACKAGE  
(TOP VIEW)  
•
•
Provides Bidirectional Voltage Translation  
With No Direction Pin  
EN  
1
2
3
4
8
7
6
5
GND  
Low 3.5-Ω ON-State Connection Between Input  
and Output Ports Provides Less Signal  
Distortion  
Open-Drain I2C I/O Ports (SCL1, SDA1, SCL2,  
and SDA2)  
5-V Tolerant I2C I/O Ports to Support  
Mixed-Mode Signal Operation  
VREF1  
VREF2  
SCL1  
SDA1  
SCL2  
SDA2  
•
•
•
High-Impedance SCL1, SDA1, SCL2, and SDA2  
Pins for EN = Low  
DESCRIPTION/ORDERING INFORMATION  
This dual bidirectional I2C and SMBus voltage-level translator, with an enable (EN) input, is operational from  
1.2-V to 3.3-V VREF1 and 1.8-V to 5.5-V VREF2  
.
The PCA9306 allows bidirectional voltage translations between 1.2 V and 5 V, without the use of a direction pin.  
The low ON-state resistance (ron) of the switch allows connections to be made with minimal propagation delay.  
When EN is high, the translator switch is ON, and the SCL1 and SDA1 I/O are connected to the SCL2 and SDA2  
I/O, respectively, allowing bidirectional data flow between ports. When EN is low, the translator switch is off, and  
a high-impedance state exists between ports.  
In I2C applications, the bus capacitance limit of 400 pF restricts the number of devices and bus length. Using the  
PCA9306 enables the system designer to isolate two halves of a bus; thus, more I2C devices or longer trace  
length can be accommodated.  
The PCA9306 also can be used to run two buses, one at 400-kHz operating frequency and the other at 100-kHz  
operating frequency. If the two buses are operating at different frequencies, the 100-kHz bus must be isolated  
when the 400-kHz operation of the other bus is required. If the master is running at 400 kHz, the maximum  
system operating frequency may be less than 400 kHz because of the delays added by the repeater.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2004–2008, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...16

中文翻译

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PCA9306DQER 替代型号

型号 品牌 替代类型 描述 数据表
PCA9306DCTRE4 TI

完全替代

 DUAL BIDIRECTIONAL I2C BUS AND SMBus VOLTAGE-LEVEL TRANSLATOR
PCA9306DCUR TI

完全替代

 DUAL BIDIRECTIONAL I2C BUS AND SMBus VOLTAGE-LEVEL TRANSLATOR
PCA9306DCTR TI

完全替代

 DUAL BIDIRECTIONAL I2C BUS AND SMBus VOLTAGE-LEVEL TRANSLATOR

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