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Details for TCA9406DCUR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
Buy Directly from Texas Instruments (138443 in stock) $0.2680
TCA9406DCUR image

TCA9406DCUR by Texas Instruments

1.65 V to 3.6 V on A port and 2.3 V to 5.5 V on B port (VCCA u2264 VCCB)
2-Bit Bidirectional Translator for SDA and SCL Lines in I2 C Applications
ESD Protection Exceeds JESD 22
High-Impedance Output SCL_A, SDA_A, SCL_B, SDA_B Pins When OE = Low or VCC = 0 V
Internal 10-ku03a9 Pullup Resistor on All SDA and SCL Pins
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
Low Ioff of 2 u00b5A When Either VCCA or VCCB = 0 V
No Power-Supply Sequencing Required: Either VCCA or VCCB Can Be Ramped First
OE Input Can Be Tied Directly to VCCA Or Controlled By GPIO
Provides Bidirectional Voltage Translation With No Direction Pin
VCC Isolation Feature: If Either VCC Input Is at GND, Both Ports Are in the High-Impedance State
Part Information
TCA9406DCUR image
RoHS Compliant
The TCA9406 is a 2-bit bidirectional I2C and SMBus voltage-level translator with an output enable (OE) input. It is operational from 1.65 V to 3.6 V on the Aside, referenced toVCCA, and from 2.3 V to 5.5 V on the B-side, referenced to VCCB. This allows the device to interface between lower and higher logic signal levels at any of the typical 1.8-V, 2.5-V, 3.3-V, and 5V supply rails. The OE input pin is referenced to VCCA, can be tied directly to VCCA, but it is also 5.5-V tolerant. The OE pin can also be controlled and set to a logic low to place all the SCL and SDA pins in a high-impedance state, which significantly reduces the quiescent current consumption. Under normal I2C and SMBus operation or other open-drain configurations, the TCA9406 can support up to 2Mbps; therefore, it is compatible with standard I2C speeds where the frequency of SCL is 100 kHz (Standard-mode), 400 kHz (Fast-mode), or 1 MHz (Fast-mode Plus). The device can also be used as a general purpose level translator, and when the A- and B-side ports are both driven with push-pull devices the TCA9406 can support up to 24 Mbps. The TCA9406 features internal 10-kΩ pullup resistors on SCL_A, SDA_A, SCL_B, and SDA_B. Additional external pullup resistors can be added to the bus to reduce the total pullup resistance and speed up rising edges.
IC Interface Type:
Interface Applications:
I2C Bus & SMBus Systems Applications
Supply Voltage Min:
Supply Voltage Max:
Interface Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
MSL 1 - Unlimited
No SVHC (27-Jun-2018)
RoHS Phthalates Compliant:
Base Number:
Operating Temperature Range:
-40°C to +85°C
Supply Voltage Range:
1.65V to 3.6V
Alternate Descriptions
2-BIT I2C/SMBus Voltage Level Translator RS Components
I2C VOLTAGE TRANSLATOR; IC Interface Type:I2C; Interface Applications:I2C Bus & SMBus Systems Applications; Supply Voltage Min:1.65V; Supply Voltage Max:3.6V; Interface Case Style:US8; No. of Pins:8Pins; Operating Temperature RoHS Compliant: Yes Newark Electronics
2-Bit Bidirectional 1-MHz I2C Bus and SMBus Voltage-Level Shifter Texas Instruments
On a Reel of 3000, Texas Instruments TCA9406DCUR, Gerilim Seviyesi Kaydırıcısı, 3-Durumlu, 8-Pinli VSSOP RS Components TR
Voltage Translator 2-Bit Bidir. 1MHz I2C RS Components IT