SN74LVC1G373YZTR

Logic - Latches

Logic Latches are one of the fundamental building blocks of digital systems. They are digital components used to store and maintain digital data, allowing a digital circuit to remain in a steady state even in the presence of continual changes in its inputs. A logic latch is a type of flip-flop, meaning it has two stable states that the output can remain in, regardless of changing inputs. One of the most commonly-used logic latches is the SN74LVC1G373YZTR.

Application Field

The SN74LVC1G373YZTR chip is an integrated, low-voltage, dual non-inverting buffer. It is specifically designed to operate at ±2.5 volts to comply with the strict power requirements of the Low-Voltage Transistor-Transistor logic (LVTTL). Its wide voltage and temperature range makes it an ideal choice for portable and battery-operated applications. This latch is compatible with both the 3.3 and 5 Volt CMOS voltage levels, allowing flexibility in system design. It is primarily used in applications such as integrated circuits, digital circuits, and buffers.

Working Principle

At the heart of the SN74LVC1G373YZTR is the D-latch, a logic structure commonly used in digital systems. A D-latch is a type of flip-flop that consists of two n-channel MOSFET transistors and an inverter. The two MOSFETs form the data inputs, and the inverter determines the output. When the input data is high, the output is low and vice versa. At the same time, the two inputs act as a switch, closing and opening the circuit around the inverter to complete or break the logic circuit, which determines the output. This makes the latch act as a buffer, meaning it can maintain its output state regardless of any changes on the input side.

The SN74LVC1G373YZTR also offers several fast switching times and high noise immunity. It can respond quickly to changes in input data, switching at maximum speeds of 25nS. Its low input currents and high noise margins also help to ensure reliable communication between digital components in noisy environments. As an additional feature, the chip also features built-in protection against short circuit, thermal overload, and overvoltage.

Conclusion

The SN74LVC1G373YZTR is a versatile dual-buffer designed for low-voltage, low-power applications. Its wide voltage and temperature range, as well as its accurate response times, make it an excellent choice for digital systems. In addition, its high noise immunity provides reliable communication even in noisy environments.