| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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7,400 pcs
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7400 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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6,000 pcs
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6000 pcs | On Request | 1 | On Request | On Request | 12+ | On Request | On Request | |
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2,505 pcs
|
2505 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
330 pcs
|
330 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
300 pcs
|
300 pcs | On Request | 1 | On Request | On Request | 1749+ | On Request | On Request |
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The Texas Instruments TCA9509RVHR is an integrated circuit designed as a 2-bit level-translating I2C/SMBus buffer/repeater. This device is suitable for extending I2C and similar bus systems without performance degradation, enabling bidirectional voltage-level translation between low voltages (down to 0.9V) and higher voltages (2.7V to 5.5V) in mixed-mode applications.
Key electrical specifications include compatibility with I2C and SMBus protocols, supporting standard and fast mode devices up to 400kHz. It features a two-channel bidirectional buffer with an active-high repeater-enable input. The device requires no external pullup resistors on the lower-voltage port-A and supports mixed-mode signal operation with 5.5V tolerant I2C and enable inputs.
The TCA9509RVHR is available in an 8-X2QFN package measuring 1.6mm x 1.6mm with a 0.4mm height and 0.5mm pitch. It is designed for surface mounting. The operating temperature range is -40°C to 85°C. The package quantity is 5,000 units on a large tape and reel.
This buffer/repeater offers lockup-free operation, supports arbitration and clock stretching across the repeater, and maintains high-impedance I2C bus pins when powered off. ESD protection exceeds JESD 22 standards, including 2000V for the human-body model and 1000V for the charged-device model.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.52 | $0.52 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The TCA9509RVHR operates from 0.9V to 5.5V on the A side and 2.7V to 5.5V on the B side.
It comes in an 8-X2QFN package with an exposed pad.
It supports a maximum data rate of 400kHz.
-40°C to 85°C.
Yes, it is RoHS3 compliant.