74LCX125YTTR

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74LCX125YTTR is a member of the 74LCX Series of high-speed CMOS Logic family manufactured by ON Semiconductor. It is a quad buffer driver that provides low-voltage (3.3V) and Schmitt-trigger inputs for improved noise immunity and designed for bus-oriented applications. 74LCX125YTTR can also drive dynamic memories and MOS memories and it operates with a power supply voltage of 1.65V to 3.6V.

Application Field

The application of 74LCX125YTTR is quite wide and it can be used in a variety of places. It serves as a buffer driver or a repeater, and it can be used in memory architectures, microprocessor systems, and system clocks. Its primary uses includes providing a logic expansion when using a microcontroller system, set and reset circuits, 3-state applications, video/graphics system buses, co-processing bus expansion, system clocks, byte multiplexing, byte demultiplexing, bus transceiver, data transmission lines, and address/data buffers.

Working Principle

The 74LCX125YTTR has three-state buffers to help it control a system-level clock and data connection. The device has four separate latches, and each latch contains two high-speed buffers that can be used separately or in tandem depending on the application. When the enable pins of the device are in a low logic state, the three-state buffers can be used to enable or disable the device, allowing for easy setup and control of data path lengths. The device can also support a variety of logic operations that include logic functions, data transfers, data retransmissions, and computing operations.

74LCX125YTTR can operate at up to 25 MHz, with a maximum setup and hold times of 500 and 300 nanoseconds, respectively. The output of the device can be enabled or disabled on all four channels via the four enable pins, allowing for voltage levels to be adjusted to match the logic level required by the processor or other device connected to the buffer. Its input buffer circuit allows it to receive data and detect transitions two hundred nanoseconds faster than the original 74HC125. In addition, the device can detect and react to inputs at voltages that range between 1.2V and 3.3V.

The 74LCX125YTTR has a wide operating temperature range of -55°C to 125°C, making it capable of being deployed in a variety of industrial and automotive applications. With 8 pin SOIC (Small Outline Integrated Circuit) packages and lead-free (LE) packages, the device is highly compact and efficient, allowing for convenient integration into existing designs. The power supply requirements for the device are quite simple; only one power pin is needed, allowing for any voltage from 1.65V to 3.6V to be used.

Conclusion

The 74LCX125YTTR is a low-voltage and high-speed logic buffer that is used in a variety of different applications. It has a wide operating temperature range, and its high-speed capabilities make it suitable for applications that require a fast setup and hold times. It has three-state buffers which allow for easy control of system clocks and data paths. By offering power savings, rugged specifications, and high performance, the 74LCX125YTTR is a valuable choice for wide range of applications.

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