74ACT16541MTD

Series:	74ACT
Packaging:	Tube
Part Status:	Obsolete
Logic Type:	Buffer, Non-Inverting
Number of Elements:	2
Number of Bits per Element:	8
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	24mA, 24mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package:	48-TSSOP
Base Part Number:	74ACT16541

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Introduction
The 74ACT16541MTD is a high-speed, low-power buffering and bus orientation device designed to facilitate bus–oriented communication with minimal signal distortion on a board or system. This device incorporates eight independent, noninverting 3-state output buffers, each with open-collector outputs and a 56–mW power dissipation per package. When in the disabled state, the output is set to a high impedance, and the contents of the buffer registers are not affected.
Application Field
The 74ACT16541MTD is widely used in a variety of data processing, control, and logic applications. This device is especially useful in providing reliable data transfer between two different logic families, or between different logic families of the same type. It is also ideal for providing common-bus buffering and interfacing with multiple devices on a board. Additionally, the 74ACT16541MTD can be used to drive power-hungry devices such as motors, displays, or other large loads. It can also provide buffering of multiple bus-oriented communication protocols, including EIA, LVDS, HSTL, SSTL, PCI, and USB.
Working Principle
The 74ACT16541MTD is an 8-bit high-speed, low-power buffering and bus orientation device. Each independent buffer consists of an open-collector output, which, when enabled, drives the bus low, sinking the current from the bus. The 74ACT16541MTD also includes two enable inputs, OE1 and OE2, which determine the operating mode. When enabled, the outputs of the 74ACT16541MTD are active regardless of the logic levels at the input, provided that the supply voltage is within the operating range. The output buffers can also be placed in a high-impedance state while the input is held in a low or high logic level, allowing the outputs to be dynamically controlled by a bus arbitration protocol.
In addition to the open-collector output stages, the 74ACT16541MTD also includes input buffers and an internal pull-up resistor to limit the current in each output. The pull-up resistor can also be used as an additional output driver, allowing it to be used as a logic buffer or to interface with different logic systems. The pull-up resistor also serves to help maintain the output in the active low state as long as the input remains low. Overall, the 74ACT16541MTD provides many features that allow it to be used in a wide variety of applications requiring high speed and low power consumption.
Conclusion
The 74ACT16541MTD is a high-speed, low-power buffering and bus orientation device designed to facilitate bus–oriented communication with minimal signal distortion on a board or system. This device incorporates eight independent, noninverting 3-state output buffers, each with open-collector outputs and a 56–mW power dissipation per package. The 74ACT16541MTD is an ideal choice for providing reliable data transfer between two different logic families, or between different logic families of the same type. It is also useful for providing common-bus buffering and interfacing with multiple devices on a board. Additionally, the74ACT16541MTD can be used to drive power-hungry devices such as motors, displays, or other large loads. It can also provide buffering of multiple bus-oriented communication protocols, including EIA, LVDS, HSTL, SSTL, PCI, and USB.

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