See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DCT | 8

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

TCA9406DCTR


2-Bit Bidirectional 1-MHz I2C Bus and SMBus Voltage-Level Shifter

TI Store Price:

 
 
Qty.Price
1 - 9 $ 0.90
10 - 24 $ 0.80
25 - 99 $ 0.72
100 - 249 $ 0.63
250 - 499 $ 0.56
500 - 749 $ 0.45
750 - 999 $ 0.37
1000 - 9999 $ 0.30

Adjust your quantity during checkout

Texas Instruments TCA9406DCTR

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 A-side, 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 5-V 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.

View datasheet
View product folder
Order SummaryEdit >
OPA2357AIDGST (1)$0.00
SN65LVCP408PAPR (1)$0.00
Subtotal: $0.00
Shipping & Handling: -
Total (USD): $0.00