# Compatible RS-422/485 Transceivers

## Background

TashTalk requires an RS-422/485 transceiver whose receiver output floats high when the bus is not being driven.
Not all of them do!  This is a non-exhaustive list of known-good ones.

## [SN65HVD08](https://www.ti.com/product/SN65HVD08)

Used by Tashtari in breadboard testing.

## [SN65HVD11](https://www.ti.com/product/SN65HVD11), [SN65HVD12](https://www.ti.com/product/SN65HVD12)

Used by Tashtari in TashTalk v2.x Hat.

## [ISL83076E](https://www.renesas.com/us/en/products/interface-connectivity/rs-485-rs-422-rs-232/rs-485rs-422/standard-rs-485rs-422/isl83076e-15kv-esd-protected-33v-full-fail-safe-low-power-high-speed-or-slew-rate-limited-rs-485rs-422)

Used by bdurbrow on TashTalkHat.

## [GM3085E](http://www.gmmicro.com/product_view_716.html)

Used by cheesestraws on AirTalk.

## [TP75176E-SR](http://www.3peakic.com.cn/En/product/inproduct/catid/136/id/199.html)

Used by cheesestraws on AirTalk.