SN74AC240QPWRG4Q1

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The SN74AC240QPWRG4Q1, a high-performance CMOS Octal Buffer/Line Driver, is a versatile family of logic buffers and/or line receivers with Schmitt Trigger and multiple buffering capabilities. It is used in many applications from personal computers, medical instrumentation, networking, high-speed testing and measurement, or digital gain control to automotive applications.

The SN74AC240QPWRG4Q1 belongs to the Logic - Buffers, Drivers, Receivers, Transceivers category. It provides the user with an improved signal integrity and signal sharpening capability by suppressing undesirable reflections. Additionally, it provides adjustable signal current sinking and sourcing and adjustable internal pull-up resistance which enhances the fan-out capability allowing multiple off chip load connections.

The SN74AC240QPWRG4Q1 is designed as an octal buffer/line driver/line receiver, which means it has eight output drivers and eight corresponding input receivers integrated on the same chip. The eight outputs range from 2.4-3.6V and the inputs range from 1.65-5.5V. The output can source 4mA and sink 8mA. It is low-power CMOS and has an operating voltage of 3.3V. The SN74AC240QPWRG4Q1 is capable of operating at up to 125MHz. It has distributed power and ground for better signal integrity and comes in a 48-pin package.

The SN74AC240QPWRG4Q1 is enabled with Schmitt Triggers on the input which allows for increased noise tolerance. These Schmitt Triggers provide two thresholds which minimize the effect of noise pickup on the incoming signal pulse, resulting in faster response time and improved signal integrity. The adjustable internal pull-up resistors (a resistor connected internally between the input and output pins) provide the capability to select the level of drive current which is made available to the output pins.

The SN74AC240QPWRG4Q1 has a very low propagation delay time of around 7µs. The low propagation delay time helps ensure that signals sent to the device will make it to their intended destination quickly and accurately. It also ensures that the device will be able to switch between logic levels very quickly, resulting in a faster overall operation.

The SN74AC240QPWRG4Q1 works as a translator, it takes in an input signal and translates it into an output in order to communicate with off chip devices. It also has a latch-up free design which protects against internal nodes shorting out, so it can operate in a wide range of temperature conditions. The device also has an integrated thermal protection circuit which detects the internal junction temperatures and shuts down in the event the temperature exceeds its limit.

The SN74AC240QPWRG4Q1 is used in many different applications such as medical instruments, automotive systems, networking, computer systems, and measurement or gain controls. It is used for data transmission and receiving, converting TTL signals to LVDS signals, clock regeneration, and communication between buses. It can also be used in communication systems to interface with off chip devices, such as analog-to-digital converters and Ethernet transceivers.

The SN74AC240QPWRG4Q1 provides the user with an improved signal integrity and signal sharpening capability, allowing for faster operation and reliable data transmission and reception. It also has adjustable signal current sinking and sourcing and an adjustable internal pull-up resistance, increasing the devices fan-out capability, allowing multiple off chip load connections. Additionally, it has a very low propagation delay time and integrated thermal protection circuit.

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