SY89327LMI-TR

Output Signal:	LVPECL
Base Part Number:	89327
Supplier Device Package:	8-MLF® (2x2)
Package / Case:	8-VFDFN Exposed Pad, 8-MLF®
Mounting Type:	Surface Mount
Features:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Data Rate:	2.5Gbps
Output Type:	Differential
Series:	SY89
Input Signal:	CML, CMOS, HSTL, LVDS, TTL
Channels per Circuit:	1
Number of Circuits:	1
Channel Type:	Unidirectional
Translator Type:	Mixed Signal
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Logic translators, level shifters and similar devices are used in almost all areas of circuit design and engineering. A popular example of such a device is the SY89327LMI-TR. This multi-channel, low-voltage translation circuit enables the translation of digital logic signals between different voltage levels. In this article we will take a closer look at the SY89327LMI-TR and discuss its application fields and how it works. The SY89327LMI-TR is a multi-channel, low-voltage translation circuit. It is designed to enable the translation of 8-bit digital logic signals between different voltage levels. The voltage levels range from 1.1 V to 3.3 V and are selectable through the use of programmable control pins. The device has two input ports, A and B, with a maximum switching frequency of 10MHz. Each input port can be used independently or in combination with the other ports to provide 8-bit output data. Whenever the logic signal at input A is different than the one at input B, the output data is inverted and the signal is translated to the different voltage level.The SY89327LMI-TR is designed for applications where very low voltage levels are needed. These can range from radio-frequency devices, such as cell phones, that require extremely low-power levels, to industrial sensors and monitoring systems that require reliable, fast signal translations. In addition, the SY89327LMI-TR can be used as a voltage level translation solution for communications in low-voltage digital systems.

In terms of its working principle, the device works by comparing the inputs on its two ports A and B. If the logic signal at port A is different than the one at port B, the output data is inverted and the signal is translated to the different voltage level. For instance, if the A port input is a logic 0 at 1.1 volts, while the B port is a logic 1 at 3.3 volts, the output of the SY89327LMI-TR will be a logic 0 at 3.3 volts. The same principle can be applied if the logic levels are switched. The device also contains adjustable control pins which can be used to achieve the desired voltage level. There are two different control pins; the control-L pin and control-H pin. The control-L pin can be used to set the voltage level of the lower voltage rail, while the control-H pin can be used to set the voltage level of the higher rail. Depending on the logic level at each input, the device can be used to perform level translations from 1.7V to 3.3V, or from 3.2V to 1.1V.

In addition, the device features a power-save mode which reduces current consumption when the device is in idle state. This is particularly beneficial when used in battery-operated applications as it reduces the power consumption, thereby increasing the battery life. To summarise, the SY89327LMI-TR is a versatile and reliable low-voltage translation circuit. It is designed to enable the translation of 8-bit digital logic signals between different voltage levels and can be used in a wide range of applications. It has two input ports, A and B, that can be used independently, as well as adjustable control pins and a power-save mode. With its easy-to-use interface, the SY89327LMI-TR is a perfect solution for any low-voltage digital system.

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