74ABT2541CSC

Series:	74ABT
Packaging:	Tube
Part Status:	Obsolete
Logic Type:	Buffer, Non-Inverting
Number of Elements:	1
Number of Bits per Element:	8
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	32mA, 15mA
Voltage - Supply:	4.5 V ~ 5.5 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:	74ABT2541

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Logic - Buffers, Drivers, Receivers, Transceivers: 74ABT2541CSC

The 74ABT2541CSC is a high-speed, low-power CMOS transceiver with 5V tolerant inputs and outputs, making it ideal for a wide range of data communications, computer and gaming applications. This type of transceiver is also ideal for applications requiring bidirectional data transfer and support for the latest protocols such as USB 2.0, PCI Express, and Serial ATA.

Application Field

The 74ABT2541CSC is a powerful CMOS transceiver suitable for use in a variety of data communications, computer and gaming applications. Due to its low power consumption and high switching speed, it is especially suitable for interfacing between circuits operating at high speeds with different voltage levels. It can be used in applications involving Ethernet networks, USB 2.0 and 3.0, Serial ATA, PCI express, and GDDR.

Working Principle

The 74ABT2541CSC has one differential input (I), four differential outputs (O), one common differential output (OC) and four buffers (B1 – B4). The I input is connected to the OC common output. The four differential outputs are isolated from each other and connected to the buffers (B1 – B4). All four buffers are connected to the I input. The transceiver has five control signals (A, ENA, ENB, OEN, OCD) to ensure a switching of the logic level at the differential outputs without accidentally switching them on. A is an active low signal for the I selection, which selects the data to be transmitted through the four buffers B1 – B4. When A is active high, the data from the OC common output is selected and is forwarded through the buffers B1 – B4 to the output (O). When A is active low, the data from the I input is selected and is forwarded through the buffers B1 – B4 to the output (O). The ENA/ENB signals provide the logic level control of the I and OC bus outputs. The OCD signal is an active low signal to control the CMOS output driver on the common output OC. The OEN signal is used to control the bus driver output (O). The 74ABT2541CSC is designed to operate with a wide range of CMOS supply voltages (Vcc = 5.0 V to 3.0 V). The output (O) accepts 5.0 V tolerant inputs and outputs with output currents of up to 8.0 mA. It is capable of high speed operation with low internal power dissipation. In summary, the 74ABT2541CSC is a high-speed, low-power CMOS transceiver with 5V tolerant inputs and outputs. It is suitable for a wide range of data communications, computer and gaming applications, such as Ethernet networks, USB 2.0 and 3.0, Serial ATA, PCI express, and GDDR. It is capable of operating with a wide range of CMOS supply voltages, low internal power dissipation, and high-speed operation.

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