SN74LS641-1DWR

Series:	74LS
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	Transceiver, Non-Inverting
Number of Elements:	1
Number of Bits per Element:	8
Input Type:	--
Output Type:	Open Collector
Current - Output High, Low:	-, 48mA
Voltage - Supply:	4.75 V ~ 5.25 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:	74LS641

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SN74LS641-1DWR Application Field and Working Principle

SN74LS641-1DWR series are logic devices manufactured by Texas Instruments that are classified under Logic - Buffers, Drivers, Receivers, Transceivers. These devices are used to switch signals between two or more systems, and they are compatible with most TTL and CMOS logic circuits.

Usage Overview

SN74LS641-1DWR series are typically used in applications such as data entry, data transfer, switching/multiplexing, and logic level translation. They are commonly used in computers, control systems, communications systems, and instrumentation equipment.

Device Features

These devices are very versatile, and are capable of handling a wide variety of tasks. Each device contains eight independent bidirectional bus transceivers with separate output enable (OE) inputs. These transceivers enable the user to establish a single point of access to multiple points of signal communication.Each transceiver has two data inputs, two data outputs, two output enable (OE) inputs, and two output enable (OE) outputs. The OE inputs are used to override the onboard flip-flops and can be used to enable or disable data flow. The outputs feature low power operation and can be adjusted for either low or high logic levels.

Working Principle

The SN74LS641-1DWR works by using two separate bus transceivers. Each transceiver contains a pair of flip-flops with separate data inputs, data outputs, output enable (OE) inputs, and output enable (OE) outputs.The OE inputs control the direction of data flow between the two transceivers. When the OE input is low, data transfer is enabled, and the OE output pin is high. When the OE input is high, data transfer is disabled, and the OE output pin is low.Each transceiver also contains two data inputs and two data outputs. The data input pins make it easy to establish high or low logic levels, while the data output pins can be used to read information from the transceiver.

Conclusion

The SN74LS641-1DWR series of logic devices are versatile and can be used in many different applications. They are compatible with most TTL and CMOS logic circuits and facilitate data transfer, switching/multiplexing, and logic level translation. These devices are user-friendly and have features such as adjustable output levels and separate output enable (OE) inputs, making them a great choice for data entry and communication systems.

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