CY74FCT2240TSOCTE4

Series:	74FCT
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	Buffer, Inverting
Number of Elements:	2
Number of Bits per Element:	4
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	15mA, 12mA
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	74FCT2240

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CY74FCT2240TSOCTE4 Application Field and Working Principle

Introduction

CY74FCT2240TSOCTE4 is a high speed, low power level translator that is cost effective for bidirectional voltage level conversion between two different voltage domains. The device includes one 8-bit noninverted D-type register and one 8-bit noninverted D-type transmiter for bi-directional data flow between different voltage domains. This device belongs to the family of Logic - Buffers, Drivers, Receivers, Transceivers.

Applications

CY74FCT2240TSOCTE4 is mainly used in low power applications, especially those operating in the voltage domain of 1.0V - 3.3V. The device supports the data rate of up to 33MHz and can be used as signals level translator in high speed interface applications such as digital audio, Ethernet, CAN, CAN-FD and LVDS. In addition, the device is also suited for analog and bus applications that require low power consumption and low switching threshold voltages.

Working Principle

The CY74FCT2240TSOCTE4 adopts a multiplexer based architecture. The bidirectional converter and driver are responsible for the bidirectional conversion between the two voltage domains. The input data "inbound" is indeed the noninverted D-type register and the output data "outbound" is the noninverted D-type transmitter. The multiplexer based architecture of the device enables data transmission in both directions of the voltage domain. This is an advantage as it allows the device to be used for either transmit or receive direction in almost any given application without the need for reconfiguring the logic. Furthermore, the CY74FCT2240TSOCTE4 device works with a high input threshold voltage which ranges from 0.5V to 4V. The device also has a low switching threshold voltage and a low power consumption. This provides higher design flexibility in voltage level conversion applications.

Conclusion

The CY74FCT2240TSOCTE4 is an ideal device for bidirectional voltage level conversion applications. The device belongs to the family of Logic - Buffers, Drivers, Receivers, Transceivers. It works with a high input threshold voltage ranging from 0.5V to 4V and a low switching threshold voltage. It also has a low power consumption and a high data rate up to 33MHz. These advantages make the device suitable for low power applications, especially those operating in the voltage domain of 1.0V - 3.3V and high speed interface applications such as digital audio, Ethernet, CAN, CAN-FD and LVDS.

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