Bidirectional Logic Level Translator
Data Sheet
Low Voltage, 1.15 V to 5.5 V, 4-Channel, Bidirectional Logic Level Translator ADG3304
FEATURES
Bidirectiona...
Description
Data Sheet
Low Voltage, 1.15 V to 5.5 V, 4-Channel, Bidirectional Logic Level Translator ADG3304
FEATURES
Bidirectional level translation Operates from 1.15 V to 5.5 V Low quiescent current < 5 µA No direction pin Qualified for automotive applications
APPLICATIONS
SPI, MICROWIRE level translation Low voltage ASIC level translation Smart card readers Cell phones and cell phone cradles Portable communications devices Telecommunications equipment Network switches and routers Storage systems (SAN/NAS) Computing/server applications GPS Portable POS systems Low cost serial interfaces
GENERAL DESCRIPTION
The ADG3304 is a bidirectional logic level translator that contains four bidirectional channels. It can be used in multivoltage digital system applications, such as data transfer, between a low voltage digital signal processing controller and a higher voltage device using SPI and MICROWIRE interfaces. The internal architecture allows the device to perform bidirectional logic level translation without an additional signal to set the direction in which the translation takes place.
The voltage applied to VCCA sets the logic levels on the A side of the device, while VCCY sets the levels on the Y side. For proper operation, VCCA must always be less than VCCY. The VCCA-compatible logic signals applied to the A side of the device appear as VCCY-compatible levels on the Y side. Similarly, VCCY-compatible logic levels applied to the Y side of the device appear as VCCAcompatible logic level...
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