74LVTN16244BBX,518

Series:	74LVTN
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	Buffer, Non-Inverting
Number of Elements:	4
Number of Bits per Element:	4
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	32mA, 64mA
Voltage - Supply:	2.7 V ~ 3.6 V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	60-XFQFN Dual Rows, Exposed Pad
Supplier Device Package:	60-HXQFN (4x6)
Base Part Number:	74LVTN16244

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Introduction

74LVTN16244BBX is a logic device belonging to the class of logic buffers, drivers, receivers, and transceivers. It is designed to buffer CMOS logic levels and primarily used in applications such as data and clock buffering. This device is both fast and low power and can be used in various applications to provide data transfer, interface isolation, and signal retiming.

Functionality

The 74LVTN16244BBX is a low voltage bi-directional dual buffer. It is a 16-pin single-in-line surface mountable device. The device features 8 ports, each having a data (D) and enable (EN) pin, and 4 sets of clamps (0–3). The device operates in either two or three-state mode.In two-state mode, the device is used to buffer or interface data and clocks. Each IO pin can be configured as an input, an output, or high impedance. When in three-state mode, the device is used to parallel transceivers and expanders. All input pins are actively pulled up and down and the output is clamped by the clamps 0–3.

Features

The 74LVTN16244BBX has several features that provide user flexibility. These features include, but are not limited to:- Configurable I/O pins that can be used for input, output, or high impedance- High operating speed- Low power consumption- Low voltage operation (1.8 V to 3.6 V)- Input hysteresis - Internal clamp diodes- Bus hold/glitch free outputs

Applications

Due to its flexible and fast operations, the 74LVTN16244BBX is suitable for various applications. These applications include, but are not limited to:- Data buffering - Interface isolation - Data transfer- Clocking - Signal retiming- Bus interface- Low voltage logic- Parallel transceivers - Expansion- Automotive - Medical - Computer systems - Industrial applications

Working Principle

The working principle of the 74LVTN16244BBX is quite simple. It takes incoming signals, buffs them, and sends them to the next step of a circuit. When in two-state mode, the device serves as a buffer and each pin can be used either as an input, output, or high impedance. In three-state mode, the device functions to expand and transceiver the signals.Incoming logic signals enter the device at the data pins and are then buffered by the internal field effect transistors. Next, the clamps 0–3 top up the internal power supply and determine the logic level at the output pins. Finally, the enable pins determine whether or not the data pins are driving the output.

Conclusion

The 74LVTN16244BBX is a useful device that can be used for a variety of applications. It is a low voltage bi-directional dual buffer that is used to buffer CMOS logic levels and features fast and low power operations. It is suitable for data buffering, interface isolation, and data transfer, amongst others. Furthermore, the device operates in two or three-state mode and offers user flexibility with input hysteresis and bus hold/glitch free outputs.

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