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TCA9406DCUR

更新时间： 2024-09-24 12:02:35
品牌 Logo 应用领域
德州仪器 - TI 转换器电平转换器驱动程序和接口接口集成电路光电二极管PC
页数 文件大小 规格书
21页 938K
描述
2-BIT BIDIRECTIONAL 1MHz, I2C BUS AND SMBUS VOLTAGE-LEVEL TRANSLATOR WITH 8kV HBM ESD

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TCA9406DCUR 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：SOIC
包装说明：US8, 8 PIN针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.55Samacsys Confidence：3
Samacsys Status：ReleasedSamacsys PartID：182268
Samacsys Pin Count：8Samacsys Part Category：Integrated Circuit
Samacsys Package Category：Small Outline PackagesSamacsys Footprint Name：DCU (R-PDSO-G8)
Samacsys Released Date：2015-04-13 16:56:52Is Samacsys：N
接口集成电路类型：INTERFACE CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：2.3 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：VSSOP封装等效代码：TSSOP8,.12,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：1.8/3.3,2.5/5 V
认证状态：Not Qualified座面最大高度：0.9 mm
子类别：Other Interface ICs最大供电电压：3.6 V
最小供电电压：1.65 V标称供电电压：1.8 V
电源电压1-最大：5.5 V电源电压1-分钟：2.3 V
电源电压1-Nom：2.5 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：GULL WING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：NOT SPECIFIED
宽度：2 mmBase Number Matches：1

TCA9406DCUR 数据手册

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TCA9406  
www.ti.com  
SCPS221B –OCTOBER 2010–REVISED JUNE 2013  
2-BIT BIDIRECTIONAL 1MHz, I2C BUS AND SMBUS VOLTAGE-LEVEL TRANSLATOR WITH  
8kV HBM ESD  
Check for Samples: TCA9406  
1
FEATURES  
TYPICAL LEVEL-SHIFTER  
APPLICATIONS  
•
2-Bit Bidirectional Translator for SDA and SCL  
Lines in Mixed-Mode I2C Applications  
•
•
•
I2C/SMBus  
•
•
5.5-V Tolerant OE Input  
Level Translation Range  
UART  
GPIO  
–
–
–
1.8 V to 2.5 V/3.3 V/5 V  
2.5 V to 2.5 V/3.3 V/5 V  
3.3 V to 3.3 V/5 V  
DCU PACKAGE  
(TOP VIEW)  
SCL_B  
1
2
3
4
8
7
6
5
SDA_B  
•
Internal10-kΩ Pullup Resistor on Each Port  
and Option to Add External Pullup Resistor if  
Required  
GND  
VCCA  
VCCB  
OE  
•
•
•
•
•
Provides Bidirectional Voltage Translation  
With No Direction Pin  
SDA_A  
SCL_A  
Ioff Support Partial Power Down (VCC= 0 V)  
With 2 mA  
YZP PACKAGE  
(BOTTOM VIEW)  
High-Impedance Output SCL1, SDA1, SCL2,  
and SDA2 Pins When OE = Low or VCC= 0 V  
D1  
C1  
B1  
A1  
D2  
C2  
B2  
A2  
4 5  
3 6  
2 7  
1 8  
SDA_A  
VCCA  
SCL_A  
OE  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
VCCB  
GND  
ESD Protection Exceeds JESD 22  
SDA_B  
SCL_B  
–
A Port  
–
–
–
2500-V Human-Body Model (A114-B)  
DQM PACKAGE  
(TOP VIEW)  
250-V Machine Model (A115-A)  
1500-V Charged-Device Model (C101)  
SDA_A  
VCCA  
SCL_A  
OE  
1
2
3
8
7
6
–
B Port  
–
–
–
8-kV Human-Body Model (A114-B)  
VCCB  
GND  
250-V Machine Model (A115-A)  
SDA_B  
SCL_B  
4
5
1500-V Charged-Device Model (C101)  
DESCRIPTION  
The TCA9406 is a dual bidirectional I2C-Bus and SMBus Voltage-Level translator with enable (OE) Input. It is  
operational from 1.65 V to 3.6 V on A-Port and 2.3 V to 5.5 V on B-port. The Output Enable (OE) input is  
referenced to VCCA, but is 5.5V tolerant  
The device can also be used as a general purpose level-translator, supporting push-pull driving of the A and  
B ports. When driven with push-pull devices on both sides the TCA9406 can support up to 24Mps.  
Under normal I2C and SMBus operation or other open drain configurations, the device can support up to  
2Mbps. It is compatible with a standard I2C bus 100 kHz, 400 kHz and 1 MHz at both sides of A-Port and B-  
Port.  
The TCA9406 features internal 10kOHM pullup resistors. Additional external pullup resistors can be added to  
the bus to reduce total pullup resistance.  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010–2013, Texas Instruments Incorporated  
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