74ACT16651DL

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74ACT16651DL Application Field and Working Principle

The 74ACT16651DL is a 8-bit inverting system buffer gate from Texas Instruments, made with an ideally suited advanced CMOS technology. The device is particularly designed for the IEEE-488 standard (GPIB) and is the enhanced version of the 74LS1665. It consists of 8 separate identical buffers and integrates a common input and output bus.

Application Fields

The 74ACT16651DL is suitable for a large variety of applications. Data transmission, connecting devices at processor level, wiring bus applications on Interfaces are just some examples of the ubiquitous application fields.

The 74ACT16651DL can be used in bidirectional applications, such as two-way data transmission. It is suitable for the following applications: address buffers, the memory control logic, peripheral address DDATA and control logic, output register logic and so on.

Working Principle

The 74ACT16651DL is an 8-bit buffer, with 8 separate identical buffers. It includes a common input and output bus, as well as inverted common output enabling easy wiring of multiple devices.

The input data is buffered by the 8 separate input transistors. For data transmission, the 74ACT16651DL can drive up to two LS-type loads and twelve TTL input loads. At the same time, its featured output impedance makes it suitable for tightly-coupled data transmission, such as IEEE-488 applications.

The output can be inverted with the 8th pin of the device, for long range simulations. The supply voltage ranges from 2.0V to 5.5V, making it suitable for a wide range of applications. The device operates with temperatures from -55°C to 125°C.

Conclusion

The 74ACT16651DL is a 8-bit inverted system buffer from Texas Instruments. It is suitable for many applications such as address buffering, memory control logic, peripheral address data and control logic, wiring bus applications and two-way transmission. Its features such as wide supply voltage and operation temperature range, as well as its low output impedance, make it suitable for most applications.

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