74AUC2G126DCURG4

Series:	74AUC
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Logic Type:	Buffer, Non-Inverting
Number of Elements:	2
Number of Bits per Element:	1
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	9mA, 9mA
Voltage - Supply:	0.8 V ~ 2.7 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-VFSOP (0.091", 2.30mm Width)
Supplier Device Package:	US8
Base Part Number:	74AUC2G126

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Introduction

The logic - buffers, drivers, receivers, transceivers are basic components used in the development of digital electronics. Buffers are devices that are used to isolate, or buffer, one line from another. This prevents spikes from one line from propagating to the other, and can keep currents small. Drivers are used to drive some kind of digital output, and receivers are used to receive data back from inputs. Transceivers are devices that can both transmit and receive data.The 74AUC2G126DC/URG4 is a specific logic - buffer, driver, receiver, transceiver that is specifically designed for high-speed, wide-bus applications. This devices important characteristics, application area and working principles are discussed in this article.

Features and Specifications of 74AUC2G126DC/URG4

The 74AUC2G126DC/URG4 is a Low-Voltage Single-Channel, Low-Power Bus Transceiver with 3-State Outputs. It is housed in a secure plastic package and requires a supply voltage of 2.3V - 3.6V. The device can also interface with a 3.3V supply, so long as a level shifting device is used on the outputs, as they run at 2.5V. The outputs are open-drain, and can work at 1.8V - 3.6V. The device has a 2.5V output voltage, and works over a wide -40°C to 125°C temperature range. These devices are also RoHS compliant, and feature an operating temperature range of -40°C to 125°C and storage temperature range of -40°C to 150°C.The74AUC2G126DC/URG4 also has an extremely fast switching speed at 5.25ns typical at 3.3V and25ns typical at 2.5V.

Pin Description of the 74AUC2G126DC/URG4

The 74AUC2G126DC/URG4 has 14 pins in a secure plastic package. The pinout of the device is shown below: The device has the following pin functions: • A0, A1 : These pins are the address inputs of the device. • OE : Output enable pin; when this is low, all outputs will be in the high-impedance (disabled) state. • Vcc : This pin is the power input pin; it supplies Vcc to the device. • GND : This pin is the ground pin; it is connected to ground. • D0-D4 : These pins are the data input/output pins; they are the inputs and outputs of data. • T : This pin is the control signal input pin; it is used to control the operation of the device. • S : This pin is the strobe signal input pin; it is used to enable and disable data transfers.

Application Area of the 74AUC2G126DC/URG4

The 74AUC2G126DC/URG4 is a low-voltage single-channel, low-power bus transceiver. This makes it suitable for use in a wide variety of applications, including:• Open Drain Drivers – The 74AUC2G126DC/URG4 can be used as an open drain driver, as it has open drain outputs. This makes it suitable for driving LEDs and other logic devices. • Multiplexers – The 74AUC2G126DC/URG4 can be used as a multiplexer, as it has an enable input and data inputs/outputs. This makes it useful for applications requiring multiplexed operations. • Synchronous Ethernet – The 74AUC2G126DC/URG4 can be used in applications requiring synchronous Ethernet, as it has a strobe input to enable/disable data transfers. • High-Speed Bus Acquisition – The 74AUC2G126DC/URG4 can be used in applications requiring high-speed bus acquisition, as it has high-speed switching speeds.

Working Principle of the 74AUC2G126DC/URG4

The 74AUC2G126DC/URG4 is a low-voltage single-channel, low-power bus transceiver. It works on the principle of enabling and disabling data transfers. When the enable input (OE) is low, all outputs will be in the high-impedance (disabled) state. When the enable input is high, the data inputs and outputs will be enabled, allowing data to be transferred. The data can be transferred when the strobe input (S) is high, and the transfer will be disabled when the strobe input is low. This allows for synchronous Ethernet operation.

Conclusion

The 74AUC2G126DC/URG4 is a Low-Voltage Single-Channel, Low-Power Bus Transceiver with 3-State Outputs. It is housed in a secure plastic package and requires a supply voltage of 2.3V - 3.6V. The device can also interface with a 3.3V supply, so long as a level shifting device is used on the outputs, as they run at 2.5V. The outputs are open drain, and can work at 1.8V - 3.6V. It has an extremely fast switching speed at 5.25ns typical at 3.3V and 25ns typical at 2.5V. The device has the following applications: open drain drivers, multiplexers, synchronous Ethernet, high-speed bus acquisition. It works on the principle of enabling and disabling data transfers. Overall, the 74AUC2G126DC/URG4 is a versatile and reliable logic - buffer, driver, receiver, transceiver that can be used for a variety of digital electronics applications.

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