SN74CBT3245APW

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Application Field and Working Principle of SN74CBT3245APW

SN74CBT3245APW is a low-voltage CMOS device, belonging to the Logic - Signal Switches, Multiplexers, Decoders family. It is an octal noninverting voltage-level translator and is used to transfer data between domains having different voltage levels. The device includes two octal bidirectional noninverting level shifters, along with Schmitt Trigger inputs and 25-Ohm series resistors. It can translate between any of the following voltage ranges with power-supply voltages ranging from 3.0 V to 1.8 V.

The SN74CBT3245APW device is designed with low power consumption, which allows for an optimized power dissipation of 1 µW/gate and an operating temperature range from -40 °C to +85 °C.

The SN74CBT3245APW octal noninverting voltage-level translator has a unique feature of level-shifting multiple lines of unidirectional data in one operation cycle. The device also supports maximum data rate up to 500 Mbps and is ideal for applications such as universal serial bus (USB), memory peripherals, and other interface protocols.

Working Principle

SN74CBT3245APW works on the principle of level shifting, which is a process in which the logic level of a digital signal is shifted to a different voltage level. The logic level of the signal is shifted from a higher logic level (high logic 1) to a lower logic level (low logic 0) of the input signal. The SN74CBT3245APW has a 25 ohm series resistor, which allows for a steady input voltage level. The Schmitt trigger inputs employ hysteresis behavior of the input signal to guarantee that the level shifts rapidly in both directions.

The SN74CBT3245APW device includes two noninverting buffers, which can operate with logic levels of up to 5.5 V. It allows for translation between any of the following voltage ranges: TTL/CMOS Logic to LVTTL, LVCMOS/LVTTL to TTL/CMOS, LVTTL to LVCMOS/LVTTL, and LVCMOS/LVTTL to LVCMOS/LVTTL.

The SN74CBT3245APW device has a low power consumption, which makes it suitable for mobile and battery-powered applications such as laptops and cell phones. Additionally, the device has good signal integrity and maximum data rate up to 500 Mbps. This is useful for high-speed interfaces such as USB, memory peripherals, and other interface protocols.

Conclusion

SN74CBT3245APW is a low-voltage CMOS device belonging to the Logic - Signal Switches, Multiplexers, Decoders family. It is an octal noninverting voltage-level translator that is used to transfer data between domains having different voltage levels. The SN74CBT3245APW device has a low power consumption, maximum data rate of up to 500 Mbps, and is suitable for mobile and battery-powered applications. This makes the SN74CBT3245APW ideal for applications such as universal serial bus (USB), memory peripherals, and other interface protocols.

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