74AHC245D-Q100J

Series:	Automotive, AEC-Q100, 74AHC
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:	3-State
Current - Output High, Low:	8mA, 8mA
Voltage - Supply:	2 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SO
Base Part Number:	74AHC245

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So, what is the 74AHC245D-Q100J? It is a low-power 8-bit bidirectional transceiver. It is capable of both synchronous and asynchronous operation, and is ideal for applications such as bus interfacing, data I/O, and data flow control. In the context of logic, it falls into the category of buffers, drivers, receivers, and transceivers.Application FieldThe 74AHC245D-Q100J is widely used in logic applications. It is suitable for use in a variety of communication and data transfer activities. As an 8-bit bidirectional transceiver, it is most commonly used in bus interfacing, I/O data transactions, and data flow control.This transceiver is also often used in low-voltage systems. The ‘Q’ in the part number indicates that it is specifically designed to be able to operate in 1.8V systems. This makes it well suited for a range of embedded and other systems that do not have access to traditional 5V power supplies.Working PrincipleThe 74AHC245D-Q100J operates as an asynchronous transceiver for inbound signals, and as a synchronous transceiver for outbound signals. This means that incoming signals will be naturally clocked and synchronized by the circuit, though outbound signals must be clocked from an external source.The transceiver also features tri-state capability. This means that the direction of the data transfer can be controlled without the need for multiple transceivers. When the part is in tri-state mode, the input pins become three-state, allowing data to pass freely.The transceiver also features Schmitt trigger inputs, which provides it with greater signal-capturing sensitivity and better performance in noisy environments. Additionally, the part is CMOS-compatible, allowing it to be used to connect CMOS-based circuits.Finally, the part is built with a number of fail-safe features, providing reliable operation even in the event of data bus contention or signal interference. This makes the part well suited for use in a range of critical environments.In conclusion, the 74AHC245D-Q100J is a versatile and reliable transceiver for a range of logic applications. It offers 8-bit bidirectional data transfer, both synchronous and asynchronous operations, and tri-state capability. It also has a number of fail-safe features, making it suitable for use in critical environments.

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