DM74ALS241AWM

Series:	74ALS
Packaging:	Tube
Part Status:	Obsolete
Logic Type:	Buffer, Non-Inverting
Number of Elements:	2
Number of Bits per Element:	4
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	15mA, 24mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	74ALS241

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DM74ALS241AWM Logic - Buffers, Drivers, Receivers, Transceivers

The DM74ALS241AWM series is a high-performance logic device designed to provide buffering, driving, receiving and/or converting of signals between two levels of different logic families, such as ECL and TTL. It is fabricated using advanced CMOS technology in order to provide full performance, high speed data transitions and very low power consumption. This series of logic devices is an ideal choice for designs that require high data rate buffering, drive and/or conversion between different logic families.

Features

The DM74ALS241AWM series has several features that make it an ideal choice for many applications. It provides superior fan-out and drive capability, which ensures the highest level of signal integrity, even when interfacing to other devices that may have different logic levels than the device itself. It is capable of providing both 3-state and bidirectional buffering in a single device, allowing for greater control and flexibility of circuitry. In addition, the device is powered by low voltage CMOS, allowing for lower current consumption, longer battery life, and improved operating efficiencies.

Application Field

The DM74ALS241AWM is used in a wide range of applications. It is commonly found in memory expansion circuitry, in which the device is used to provide signal conversion between the processor and external memory components. It can also be used in signal conversion between different types of logic families, such as ECL and TTL.The device is also used for driving cables and ribbon cables, as well as providing signal conversions between two different device families such as TTL and CMOS. It is also used in video cable applications, where the device provides the necessary buffering, driving and signal conversions.

Working Principle

The DM74ALS241AWM is a three-state bidirectional buffer. It is composed of two independent sections and can both receive two levels of different logic families and concurrently drive two levels of different logic families. Each section can be independently programmed as an inverter or non-inverter, allowing for flexible logic configurations.When the device is used as a single section buffer, it can be programmed as either an inverter or a non-inverter. When the device is used as a dual section buffer, the section connected to the lower voltage level is programmed as an inverter and the section connected to the higher voltage level is programmed as a non-inverter.The input signals are first received, with the input threshold voltage being set at 2.4V for TTL logic and at 0.5V for ECL logic. The CMOS driver stage of the device is built from two complementary field effect transistors (FETs) that buffer the input signal and amplify it. The enable line of the device is then used to enable or disable the output stage of the device, which can be set as either an inverter or a non-inverter. During an input transition, both FETs within the driver stage turn ON, allowing the internal voltage to transition smoothly between 0V and VDD. The output stage can then be used to drive signals to the different logic families.

Conclusion

The DM74ALS241AWM is a high-performance logic device designed to provide buffering, driving, receiving and/or converting of signals between two levels of different logic families. It features an on-chip driver stage composed of two field effect transistors, enabling it to buffered and amplify inputs from different logic families, and an output stage that can be set as either an inverter or a non-inverter, making it an ideal choice for signal conversions between different logic families. The device can be found in a wide range of applications, from memory expansion circuitry to cable and ribbon cable driving and video signal conversion.

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