SN74LV393ADG4

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The SN74LV393ADG4, manufactured by Texas Instruments, is a dual high-speed 4-bit ripple-carry binay counter. The chip is designed for high-performance and low-power applications. It is a part of TI\'s LV- and MV-series of high-performance logic devices.

The SN74LV393ADG4 has a very wide range of applications, specifically in digital logic and counter circuits. It is primarily used to count/divide digital logic signals, and it can also be used to multiplex and demultiplex combinations of signals. It can also be used in timing, control and data-transformation applications. In terms of environmental performance, the chip has excellent electrical noise immunity and a wide operating temperature range.

In terms of working principle, the SN74LV393ADG4 is a voltage-controlled 4-bit ripple-carry binary counter. It has two independent 4-bit counters: one is configured to count up, while the other is configured to count down. It also features a synchronous Clear (CLR) input, enabling the resetting of both counters to zero.

The counter starts counting when it receives a Low-to-High transition on the Input (IN) pin. It then continues counting, until it receives a High-to-Low transition on the Clock (CK) or Clear (CLR) pin. The value of the output is then held at the current count until the counter receives another negative edge on the Clock (CK) pin. At that moment the output changes to the new count and the process will repeat.

The SN74LV393ADG4 chip is designed to operate with a supply voltage of 2.3V–3.6V. It also has I/O pins that can accept or drive 3.3V logic levels. Additionally, the chip has an output enable (OE) pin that allows external logic signals to be used when controlling its output status.

Apart from that, the chip also features active-low output enable pin (RA) and a power-on reset (POR) function. The active-low output enable allows the output to be safely disabled, while the power-on reset (POR) ensures that the output is held at a known value upon power-up.

In summary, the SN74LV393ADG4 is a high-performance dual 4-bit ripple-carry binary counter with a wide range of applications. It can be used in digital logic and counter circuits, multiplexing and demultiplexing combinations of signals, timing, control and data transformation applications. It has a wide operating voltage range and exceptional electrical noise immunity. Additionally, it has active-low output enable (RA) and power-on reset (POR) functions, allowing for safe outward control and a known output upon power-up.

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