Interface ICs

The interface ICs portfolio includes a wide variety of devices needed in applications such as factory automation, set-top boxes, mobile devices, and communication infrastructure. 

The most popular protocols, the recommended standards (RS-232/422/485), are supported by our proven devices. The family of devices designed for emerging high-performance protocols has been expanded with the introduction of high-speed, low-power LVDS (low voltage differential signaling) produced in the modern HCMOS technology.

ST's portfolio of circuits for interfacing also includes Darlington arrays and the new family of high-speed USB transceivers compliant with the OTG (On-The-Go) specification. Using enhanced mixed technologies, ST is offering state-of-the-art application-specific interfaces that address applications such as smartcards for set-top boxes, metering, and many others.



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ST8024L low-cost analog interface for smartcards
Complies with ISO 7816-3, GSM11.11 and EMV 4.2

STPM1x - single-phase energy metering IC
Pulsed output and digital calibration

ST485Ex low-power, high-speed transceivers for RS-485 and RS-422
5 V supply voltage, auto-power-down and standby function

ST3485Ex low-power, high-speed transceivers for RS-485 and RS-422
3 to 5 V supply voltage, auto-power-down and standby function

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