74AHCT125PW,118

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The 74AHCT125PW,118 is a high speed quad buffer gate from NXP semiconductors. It is part of the Logic - Buffers, Drivers, Receivers, Transceivers family. Buffers are used to drive multiple loads in a system or to provide a higher drive current than could be supplied directly by an IC. Drivers are used to boost signals and convert logic levels to drive long cables or multiple loads. Receivers are used to detect and amplify signals as low as -10dBm. Transceivers are used to exchange data between multiple systems.

The 74AHCT125PW,118 is a fast Quad 3-state buffer gate with an active-low output enable control. It is designed for asynchronous two-way communication. This buffer gate can be used to drive up to 16 uniformly distributed load circuits from 6V to 15V. It operates from a single 3.3V to 5V power rail and has a maximum data rate of 250 Mbps. It features a low current dissipation when enabled and a high data rate. It produces controlled rise and fall times and a low input capacitance.

The 74AHCT125PW,118 operates in four different modes. The first is the open drain Mode which allows for a single transistor to be used for both logic levels. This mode provides for reduced power consumption, larger output drive capability and improved noise immunity. The second is the totem-pole Mode which uses two transistors with three inputs to create logic levels. This mode can be used when the output needs to be driven to multiple loads. The third is the three-state Mode which has three inputs and two outputs. This mode allows for outputs to be buffered with 3-state logic. And the last is the Tri-state Mode which has two inputs, one output and an enable input. This mode provides a high level of protection by only allowing the output to be driven when it is enabled.

The 74AHCT125PW,118 is a general purpose logic buffer with a wide range of application fields. It is used for such applications as disk drive electronics, analog-to-digital converters and digital-to-analog converters, video graphics accelerators, motor drivers, video decoders, datacom and telecom matrices, and high-speed network routers. It is also used in high-speed synchronous DRAMs and static RAMs to provide a high-speed interface to the system bus.

The 74AHCT125PW,118 operates using TTL logic levels. At the input side, it accepts logic levels between -3V and +3V. At the output side, it drives logic levels between -15V and +15V. It has a very high fan out of 30. This allows it to drive up to 30 TTL loads and up to 12 FETs. This buffer gate is capable of driving larger loads such as LEDs, lamps and points.

The 74AHCT125PW,118 features an active-low output enable control. It is used to put the output in a high-impedance state due to the internal pull-up resistors. With the enable pin in the active low state, the output is enabled. In the active high state, the output is disabled. The control voltage can range from 0V to 3V.

In summary, the 74AHCT125PW,118 is a high speed quad buffer gate which is part of the Logic - Buffers, Drivers, Receivers, Transceivers family. It is designed for asynchronous two-way communication and operates in four different modes. It is used for such applications as disk drive electronics, analog-to-digital converters and digital-to-analog converters, video graphics accelerators, motor drivers, video decoders, datacom and telecom matrices, and high-speed network routers. This buffer gate is capable of driving larger loads such as LEDs, lamps and points. With an active-low output enable control, it is used to put the output in a high-impedance state due to the internal pull-up resistors. It accepts logic levels between -3V and +3V and drives logic levels between -15V and +15V with a high fan out of 30. The 74AHCT125PW,118 is a very versatile and powerful buffer gate and is an excellent choice for high-speed data buffering and signal control applications.

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