SN74HC125NG4

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SN74HC125NG4 is a logic buffer and works as a translator from logic voltage levels from one group to another. It comprises of four independent non-inverting buffers which are of 3-state construction. It finds application in systems that require buffering of data at TTL levels of input voltages compatible with the 5V VCC power supply and it is suited especially in large TTL-to-CMOS and power CMOS interfaces.

The SN74HC125NG4 buffers has its input stage is sensitive enough to accept TTL levels. Also, the output stage is capable of driving 10 LS–TTL loads. The SN74HC125NG4 is capable of receiving TTL logic from the ports or from bus transceivers.

Designed for 1.65 to 5.5V VCC operation, the SN74HC125NG4 is characterized for operation from -40°C to 85°C. It is available in 14-pin plastic DIP and 14-pin SOIC packages which offer a wide range of logic-level buffering solutions.

The SN74HC125NG4 works based on the principle of translating several levels of logic high and low logic states into an absolute logic one or zero level. It is controlled by an enable input and has three outputs which load to ground through N-channel depletion load MOSFET transistors. The first buffer is enabled by the G1 input. When the G1 input is low, the output will be the same as the input. When the G1 input is high, the output is forced low. The G2 input controls the second and third buffer in a similar manner, while the fourth buffer is enabled directly by the input. The enable inputs are generally low-impedance and are compatible with both TTL and CMOS levels.

The SN74HC125NG4 operates at a wide supply voltage range from 1.65V to 5.5V and provides high-speed propagation delay times but with very low power consumption. It provides distortion-free logic-level buffering which prevents the data from being corrupted by the heavy capacitive loading. This device supports high-speed buffering from 1.65V to 5.5V.

The SN74HC125NG4 finds its application in the design of electronic circuits such as multiplexers, registers, latches, industrial computer boards, card readers, counters and digital systems that require high-speed buffering at low power.

In conclusion, SN74HC125NG4 is a logic buffer with four independent non-inverting buffers that can be used in applications which requires logic-level buffering, translation and distortion-free operation. Also, it is specifically designed for devices that require low voltage and low power applications and offers the advantages of minimal distortion at high speed. With its wide supply voltage range from 1.65V to 5.5V, it provides an ideal solution for a variety of buffer systems in the industry.

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