SY100ELT28ZI

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The SY100ELT28ZI is a logic device designed for data transmission between two different electrical levels or domains. It is typically used to enable mating between 5V CMOS logic and the widely-used 3.3V or 2.5V standard logic families. It contains, in a single device, 8 channels of differential logic-level translation, allowing bidirectional communication without the need for external level-shifting circuitry. The SY100ELT28ZI makes it easy for designers to incorporate mixed voltage designs into their systems with minimal board complexity and power consumption.

The SY100ELT28ZI is a member of the VersaStack™ family of logic translators, which combine the benefits of a low voltage and low power logic family with the high speed and compatibility of the 5V standard CMOS technology. The VersaStack family includes devices with both single-ended and differential inputs and outputs, as well as with auxiliary functions such as level shifting and status indicators. The SY100ELT28ZI is the most advanced device in the VersaStack family, with its superior high-speed, low-power operation and its versatile differential flow-through architecture.

The SY100ELT28ZI contains two differential input ports, each with 4 channels, that accept input signals from both 5V and 2.5V/3.3V logic levels. The device translates the inputs from one voltage level to the other, as required by the system. The two output ports, also each with 4 channels, provide the translated data to the other logic domain. The device derives its power from the supplied 3.3V global voltage, and has an output current capability of up to 20mA per channel.

The SY100ELT28ZI has a data rate of up to 1Mbit/s, and a reduced voltage swing that makes it suitable for high speed applications, such as digital video, bus to bus communications and high frequency data transfer. It is also able to support differential communication systems, where high speed communication is completed by several low speed signals. Additionally, it has an adjustable input threshold voltage, allowing it to be used with other logic families whose voltage levels vary slightly from 3.3V or 2.5V logic levels (such as 1.5V logic).

The SY100ELT28ZI has its own logic control, allowing it to be used as a level shifter or as a one-way translator. It conveniently provides status information to the host processor for each channel, allowing for both fine-grain and coarse-grain power management. This helps designers reduce their system power consumption without sacrificing performance.

The SY100ELT28ZI also features on-chip ESD protection and latch-up protection, which guard the device from electrostatic discharge events and from excessive currents. It is ideal for applications requiring translation between TTL and low voltage logic levels, such as those found in hand-held and battery-powered devices. It is also used in computing, networking and automotive applications.

In summary, the SY100ELT28ZI is a highly versatile and cost-effective solution for designs requiring logic-level translation between two different voltage levels. Its small form factor and excellent feature set make it a great choice for designers seeking to reduce board complexity, power consumption, and cost.

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