SN74LVC1G08DBVR datasheet | SOT23-5

Electronics: voltage shifting from 3.3V to 1.65V with SN74LVC

SN74LVC1G08DBVR

The SN74LVC1G08DBVR is a compact 2-input AND gate IC that’s perfect for digital circuits. It runs on a supply voltage from 1.65V to 5.5V, so it’s flexible for many applications. Thanks to its fast switching (around 3.6ns at 3.3V), it works well in high-speed systems. It’s also energy-efficient, with low power consumption both when it’s idle and active. Plus, it can handle temperatures from -40°C to +125°C, making it reliable in tough industrial or automotive environments. The output drive is strong, so it connects easily with other logic devices. Its small DBVR package makes it ideal for tight spaces. This logic gate is great for signal processing and embedded systems where speed and low power are key.

SN74LVC1G08DBVR Pinout Diagram

For the SN74LVC1G08DBVR, here’s a quick rundown of the pinout:

• A and B (Pins 1 and 2): These are the inputs for the AND gate. Both need to be connected to logic signals. The output, Y, will only be high (1) if both inputs are high (1).

• Y (Pin 3): This is the output. It shows the result of the AND operation. Make sure to connect it properly to handle downstream logic signals.

• VCC (Pin 5): This is where you connect the power supply. Use a voltage between 1.65V and 5.5V for the best performance.

• GND (Pin 4): Connect this pin to the ground.

A couple of things to remember:

• Make sure your voltage levels are within the 1.65V to 5.5V range.

• Place a decoupling capacitor (like 0.1µF) near VCC to help reduce noise.

• The Y output depends on both inputs being high—if either input is low, the output will be low.

SN74LVC1G08DBVR Equivalent Logic Gate

When looking at the SN74LVC1G08DBVR and 74LVC1G08DBVR, they’re pretty much the same in terms of features and performance, so you can easily swap them out for each other.

If you need something faster, the 74AHC1G08D could be a good choice—it’s quicker, but it does use more power, so it’s better for high-speed projects, not low-power ones.

The 74ACT1G08D is another option if you need more current drive and even faster speeds. It works great for high-load, high-speed needs, but keep in mind that it’ll draw more power.

SN74LVC1G08DBVR AND Gate Circuit Example

The image shows an example of how the SN74LVC1G08DBVR works in a circuit.

On the left, we have the basic AND gate function. The inputs (A and B) are logic signals or microcontroller outputs. When both inputs are HIGH (1), the output (Y) is HIGH. If either input is LOW (0), the output will be LOW. This is the core functionality of an AND gate.

On the right, the AND gate is used to drive an LED. The LED only lights up when both inputs (A and B) are HIGH, and there’s a current-limiting resistor to protect the LED. This shows how an AND gate can be used in simple control circuits, like turning on an LED based on specific conditions.

SN74LVC1G08DBVR Input Voltage Levels

The SN74LVC1G08DBVR is part of the LVC (Low-Voltage CMOS) family, which means it works well at low voltage levels while keeping logic integrity intact.

For input voltage levels:

• High-Level Input Voltage (VIH): At 3.3V (Vcc), the minimum is 2V. For a 5V supply, it’s around 3.5V.

• Low-Level Input Voltage (VIL): At 3.3V (Vcc), the maximum is 0.8V. With a 5V supply, it’s around 1.5V.

These voltage levels ensure the gate switches correctly and recognizes high or low input signals. The device can handle various logic families, making it ideal for low-power designs.

SN74LVC1G08DBVR SMD Logic Application

The SN74LVC1G08DBVR is often used in microcontroller interfacing and control logic circuits.

In microcontroller interfacing, it’s handy for combining multiple signals to perform an AND operation. For example, you could use it to check that certain conditions are met before triggering an output, making it perfect for signal conditioning.

In control logic circuits, the IC is used to enable or disable actions based on multiple input conditions. A great example is motor control—if both conditions are true, like power being on and a switch closed, the motor gets activated.

These two applications showcase how versatile and useful the SN74LVC1G08DBVR can be in real-world circuits.

SN74LVC1G08DBVR Arduino Digital Logic Interface

You can easily use the SN74LVC1G08DBVR with an Arduino to perform an AND gate operation. Here’s how:

1. Inputs: Connect two Arduino digital pins to the inputs of the SN74LVC1G08DBVR (A and B). For example, use pin 2 for A and pin 3 for B.

2. VCC and Ground: Connect the VCC pin to the 5V pin on the Arduino and the GND pin to the Arduino’s GND.

3. Output: The Y output pin from the gate will give you the AND result. You can connect this to an LED or another component, using a current-limiting resistor.

This setup lets you control devices like LEDs based on the AND operation of the two inputs, making it perfect for simple logic tasks like conditional control.