SN74GTL2107PWG4

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The SN74GTL2107PWG4 is a single-channel dual-direction logic translator circuit, designed to transmit signals between two circuits with different logic levels. It should be considered when circuits driven with the same logic family (such as the one described in the datasheet) are not able to drive outside circuits, or when another set of Low Voltage Translating (LVTTL) interface is required for one or more nets. This circuit solves the problem of data transmission through various types of logic used in different parts of the system, allowing for example a low-voltage microcontroller to drive a higher-voltage device.

The SN74GTL2107PWG4 circuit is housed in a plastic package measuring 6-pin (2 mm × 2 mm), allowing mounting in a wide variety of boards and applications. In general, it requires a dual-supply (VCC1-VCC2) operating from 1.2V to 5.5V and it is fully integrated, so no external components are required.

The SN74GTL2107PWG4 works under the principle of single-channel and dual-direction translator, allowing to convert both directions at once and without requiring external components. It offers an enable signal to control data flow. The circuit architecture is based on a multiplexer/demultiplexer block and a buffer block that only transmits data to LVTTL domains.

The translator is able to switch both directions, and translates each logic voltage on the other side. When the Enable signal ( ) is active, the translator receives data on the *1 side, and transmits it on the *2 side. When the signal is inactive, the circuit stops the data transfer, allowing for low power consumption. The working voltage levels of the 1-side are compatible with single supply LVTTL and can also accept CMOS inputs.

The SN74GTL2107PWG4 is a standard circuit used in many communication and other applications. It is a versatile translator suited for low voltage-differential signaling (LVDS) to low-voltage transistor-transistor logic (LVTTL) including RS-422, RS-485, and RS-232 standards. Its LVTTL interface can be connected directly to a microcontroller or microprocessor, allowing reliable data transmission and reception.

It is also used in many different applications as a level shifter, such as in digital signal processors and MCUs, audio playback and reception applications, motor control and communication systems, or FPGAs. Due to its high switching speed and excellent signal integrity, it may also be the ideal choice for automotive and industrial applications.

The SN74GTL2107PWG4 is also very efficient in power consumption, providing an average current consumption of 5 mA when active, and an average standby current of 100 μA when in standby mode. In addition, its low voltage operation range of 1.2V to 5.5V helps reduce costs and allow for an improved design in many projects.

In conclusion, the SN74GTL2107PWG4 is one of the most versatile and reliable logic translators available. With its excellent performance in translating and shifting levels, its low power consumption, and its wide operating voltage range, it is sure to make a reliable choice for many applications.

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