CD74HCT125M96

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The CD74HCT125M96 is a logic buffer device from Texas Instruments, which is a logic device belonging to the logic family of buffers, drivers, receivers and transceivers. It acts as a translator between the logic levels that are seen in the digital electronics world and the higher voltages of the more specialized logic ICs. This device has four buffer outputs that can selectively drive either 3.3V, 5V or 15V loads, depending on the input voltage. It also works to provide an enhanced level of noise rejection, while allowing for higher current drive than other types of buffering devices.

CD74HCT125M96 is available in both 16-pin Quad Flat No-Lead (QFN) packages, as well as standard 8-pin T&R packages. The CD74HCT125M96 is ideal for applications such as digital logic level-conversion, bus-controller-to-bus-conflict resolution, data-bus protection and level-translation from multiple output sources. The device contains four bidirectional input/output ports that are connected between the two logic levels. This allows for buffers, drivers, receivers, and transceivers to be used for varied applications.

The device operates on a power supply voltage of 4.5V to 5.5V, with a maximum voltage of 7.0V. It also utilizes advanced Schmitt trigger technology, allowing the input and output levels to be independently adjusted between 1.5V and 5.5V. This adaptive circuitry provides additional noise margin when used with higher voltage logic signals. This advanced feature is intended to help improve signal integrity and reduce the possibility of false triggering. Additionally, the device utilizes a True Output feature, which ensures that all four buffers switch to the output logic high state when disconnected from the input logic high state.

In terms of output drive capability, the CD74HCT125M96 provides outputs which are capable of driving standard TTL and CMOS devices, as well as higher voltage chips, at up to 15V. The device also features a push-pull type of circuits within its output registers. This helps to ensure better signal integrity when switching between the two logic levels. The device is also capable of switching between 1.5V and 5V, as well as 3V and 15V. This allows for more efficient level shifters and also helps to reduce device size and power consumption.

CD74HCT125M96 also features a three-state Output Enable control line. This is ideal for interfacing between two logic families that have different logic interface levels, as well as simplifying system-wide bus arbitration. The three-state Output enable control line works by disabling its associated output enable signal when the logic level is low. This allows the CD74HCT125M96 to drive a common data bus while still accommodating multiple source systems, allowing various systems to share the same bus.

The CD74HCT125M96 is used in a wide variety of design applications, such as general logic levels and level conversion, bus arbitration, noise rejection and level translation in bus systems and communications systems. The device can also be used to interface between the lower voltage levels of logic signals found in many microcontrollers and the higher voltages used in digital logic and other specialized logic components. It is also used to help improve signal integrity when transitioning between different logic levels. Additionally, it can be used as a buffer or driver in communications or other digital systems.

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