3.3 V Logic Gates
Last Updated: November 6, 2024 Reviewed by: Scott Orlosky, consulting engineer
Description
3.3 V logic gates are a type of digital logic gate that operates at a supply voltage of 3.3 volts. These gates are fundamental building blocks in digital circuits, performing basic logical functions such as AND, OR, NOT, NAND, NOR, XOR, and XNOR. They are typically implemented using CMOS technology, which is known for its low power consumption and high switching speeds. The 3.3 V logic gates are widely used in modern electronic devices due to their compatibility with lower voltage levels, which helps in reducing power consumption and heat generation.
Working Principle
The working principle of 3.3 V logic gates is based on Boolean algebra, where the gates process binary inputs (0s and 1s) to produce a binary output. Each type of logic gate has a specific truth table that defines its operation. For instance, an AND gate outputs a high signal (1) only when all its inputs are high, while an OR gate outputs a high signal if at least one of its inputs is high. The gates are constructed using transistors that switch on and off to represent the binary states. In CMOS technology, both n-type and p-type MOSFETs are used to create the logic functions, ensuring low power consumption and high noise immunity.
Applications
3.3 V logic gates are used in a variety of applications across different fields. They are integral components in microprocessors, memory devices, and digital signal processors. These gates are also used in communication systems, control systems, and consumer electronics such as smartphones, tablets, and laptops. Additionally, they are employed in automotive electronics, industrial automation, and medical devices, where efficient power management is crucial.
Advantages over other Logic Gates
One of the primary advantages of 3.3 V logic gates over their higher voltage counterparts, such as 5 V logic gates, is their lower power consumption. Operating at a lower voltage reduces the overall power dissipation, which is particularly beneficial in battery-operated devices. Furthermore, 3.3 V logic gates generate less heat, improving the reliability and longevity of electronic components. The reduced voltage levels also allow for faster switching speeds, enhancing the performance of digital circuits.
Limitations
Despite their advantages, 3.3 V logic gates have some limitations. They may not be compatible with older systems designed for higher voltage levels, such as 5 V logic gates, without additional interfacing components. The lower voltage levels can also make the gates more susceptible to noise, potentially affecting signal integrity in noisy environments. Additionally, the reduced voltage margin between logic high and logic low states can lead to increased sensitivity to voltage fluctuations and variations in power supply.
Considerations
When designing circuits with 3.3 V logic gates, it is essential to consider the power supply requirements and ensure compatibility with other components in the system. Proper decoupling and filtering techniques should be employed to minimize noise and voltage fluctuations. Designers should also account for the fan-in and fan-out characteristics of the gates to ensure reliable operation. Additionally, thermal management strategies should be implemented to handle any heat generated by the circuit, even though it is typically less than that of higher voltage logic gates.
from RS Components, Ltd.
Multi-Ch Relay and Inductive Logic Gate [See More]
- Supply Voltage: 3.3V; 5V; 5 V
- Propagation Delay: 140
- Logic Family: CMOS
- Low Level Output Current (Sink): 140
from Nexperia B.V.
The 74AHC1G08; 74AHCT1G08 is a single 2-input AND gate. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments. Features and benefits. Wide supply voltage range from 2.0 V to 5.5 V. Overvoltage tolerant inputs to 5.5 V. High noise... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: AND
- Propagation Delay: 3.2
from Texas Instruments
Low Jitter 1:2 Universal-to-LVPECL Buffer 16-QFN -40 to 85 [See More]
- Supply Voltage: 2.5V; 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; QFN
from RS Components, Ltd.
Multi-Ch Relay and Inductive Logic Gate [See More]
- Supply Voltage: 3.3V; 5V; 5 V
- Propagation Delay: 140
- Logic Family: CMOS
- Low Level Output Current (Sink): 140
from Nexperia B.V.
The 74AHC1G08; 74AHCT1G08 is a single 2-input AND gate. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments. Features and benefits. Wide supply voltage range from 2.0 V to 5.5 V. Overvoltage tolerant inputs to 5.5 V. High noise... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: AND
- Propagation Delay: 3.2
from Texas Instruments
1:10 LVPECL Buffer with Selectable Input 32-VQFN -40 to 85 [See More]
- Supply Voltage: 2.5V; 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; LQFP,VQFN
from Nexperia B.V.
The 74AHC1G08; 74AHCT1G08 is a single 2-input AND gate. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments. Features and benefits. Wide supply voltage range from 2.0 V to 5.5 V. Overvoltage tolerant inputs to 5.5 V. High noise... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: AND
- Propagation Delay: 3.2
from Texas Instruments
1:10 LVPECL Buffer with Selectable Input 32-LQFP -55 to 125 [See More]
- Supply Voltage: 2.5V; 3.3V
- Operating Temperature: -55 to 125
- Gate Type: Buffer/Driver
- IC Package Type: Other; LQFP
from Nexperia B.V.
The 74LVC1G86 provides the 2-input EXCLUSIVE-OR function. Inputs can be driven from either 3.3 V or 5 V devices. These features allow the use of these devices in a mixed 3.3 V and 5 V environment. This device is fully specified for partial Power-down applications using IOFF. The IOFF circuitry... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: OR
- Propagation Delay: 2.4
from Texas Instruments
Low Jitter, 2-Input Selectable 1:4 Universal-to-LVPECL Buffer 16-QFN [See More]
- Supply Voltage: 2.5V; 3.3V
- IC Package Type: Other; QFN
- Gate Type: Buffer/Driver
from Nexperia B.V.
The 74LVC1G86 provides the 2-input EXCLUSIVE-OR function. Inputs can be driven from either 3.3 V or 5 V devices. These features allow the use of these devices in a mixed 3.3 V and 5 V environment. This device is fully specified for partial Power-down applications using IOFF. The IOFF circuitry... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: OR
- Propagation Delay: 2.4
from Texas Instruments
Low Jitter, 2-Input Selectable 1:8 Universal-to-LVPECL Buffer 28-VQFN [See More]
- Supply Voltage: 2.5V; 3.3V
- IC Package Type: Other; VQFN
- Gate Type: Buffer/Driver
from Nexperia B.V.
The 74LVC1G86 provides the 2-input EXCLUSIVE-OR function. Inputs can be driven from either 3.3 V or 5 V devices. These features allow the use of these devices in a mixed 3.3 V and 5 V environment. This device is fully specified for partial Power-down applications using IOFF. The IOFF circuitry... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: OR
- Propagation Delay: 2.4
from Texas Instruments
Low Jitter, 2-Input Selectable 1:12 Universal-to-LVPECL Buffer 40-VQFN [See More]
- Supply Voltage: 2.5V; 3.3V
- IC Package Type: Other; VQFN
- Gate Type: Buffer/Driver
from Nexperia B.V.
The 74LVC1G86 provides the 2-input EXCLUSIVE-OR function. Inputs can be driven from either 3.3 V or 5 V devices. These features allow the use of these devices in a mixed 3.3 V and 5 V environment. This device is fully specified for partial Power-down applications using IOFF. The IOFF circuitry... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: OR
- Propagation Delay: 2.4
from Texas Instruments
Low Jitter, 2-Input Selectable 1:16 Universal-to-LVPECL Buffer 48-VQFN -40 to 85 [See More]
- Supply Voltage: 2.5V; 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; VQFN
from Nexperia B.V.
The 74LVC1G386 is a single 3 - input EXCLUSIVE - OR gate. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. Schmitt - trigger action at all inputs... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: OR
- Propagation Delay: 4.5
from Texas Instruments
Low Jitter, Dual 1:2 Universal-to-LVPECL Buffer 16-QFN [See More]
- Supply Voltage: 2.5V; 3.3V
- IC Package Type: Other; QFN
- Gate Type: Buffer/Driver
from Nexperia B.V.
The 74LVC1G386 is a single 3 - input EXCLUSIVE - OR gate. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. Schmitt - trigger action at all inputs... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: OR
- Propagation Delay: 4.5
from Texas Instruments
Low Jitter, Dual 1:4 Universal-to-LVPECL Buffer 28-VQFN [See More]
- Supply Voltage: 2.5V; 3.3V
- IC Package Type: Other; VQFN
- Gate Type: Buffer/Driver
from Nexperia B.V.
The 74AHC30; 74AHCT30 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7-A. The 74AHC30; 74AHCT30 provides an 8-input NAND function. Features and benefits. Balanced propagation delays. All inputs have... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: NAND
- Propagation Delay: 3.6
from Texas Instruments
Low Jitter, Dual 1:6 Universal-to-LVPECL Buffer 40-VQFN [See More]
- Supply Voltage: 2.5V; 3.3V
- IC Package Type: Other; VQFN
- Gate Type: Buffer/Driver
from Nexperia B.V.
The 74AHC30; 74AHCT30 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7-A. The 74AHC30; 74AHCT30 provides an 8-input NAND function. Features and benefits. Balanced propagation delays. All inputs have... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: NAND
- Propagation Delay: 3.6
from Texas Instruments
Low Jitter, Dual 1:8 Universal-to-LVPECL Buffer 48-VQFN [See More]
- Supply Voltage: 2.5V; 3.3V
- IC Package Type: Other; VQFN
- Gate Type: Buffer/Driver
from Nexperia B.V.
The 74AHC30; 74AHCT30 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7-A. The 74AHC30; 74AHCT30 provides an 8-input NAND function. Features and benefits. Balanced propagation delays. All inputs have... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: NAND
- Propagation Delay: 3.6
from Texas Instruments
Dual 1:5 High Speed LVPECL Fan Out Buffer 32-VQFN -40 to 85 [See More]
- Supply Voltage: 2.5V; 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; VQFN
from Nexperia B.V.
The 74AHC30; 74AHCT30 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7-A. The 74AHC30; 74AHCT30 provides an 8-input NAND function. Features and benefits. Balanced propagation delays. All inputs have... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: NAND
- Propagation Delay: 3.6
from Texas Instruments
Ultra Low Power, 2:8 Fan-out Buffer with Universal Inputs and Outputs 32-VQFN -40 to 85 [See More]
- Supply Voltage: 1.8V; 2.5V; 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; VQFN
from Nexperia B.V.
The 74AHC30; 74AHCT30 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7-A. The 74AHC30; 74AHCT30 provides an 8-input NAND function. Features and benefits. Balanced propagation delays. All inputs have... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: NAND
- Propagation Delay: 3.6
from Texas Instruments
3V BLVDS 1 to 6 Clock Buffer/Bus Transceiver 24-TSSOP -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; TSSOP
from Nexperia B.V.
The 74AHC2G08; 74AHCT2G08 is a dual 2-input AND gate. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments. Features and benefits. Symmetrical output impedance. Balanced propagation delays. Wide supply voltage range from 2.0 to... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: AND
- Propagation Delay: 3.2
from Texas Instruments
3-GHz, 10-Output Differential Fanout Buffer / Level Translator 48-WQFN -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; WQFN
from Nexperia B.V.
The 74AHC2G08; 74AHCT2G08 is a dual 2-input AND gate. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments. Features and benefits. Symmetrical output impedance. Balanced propagation delays. Wide supply voltage range from 2.0 to... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 5.5
- Logic Family: CMOS
- Gate Type: AND
- Propagation Delay: 3.2
from Texas Instruments
3.1-GHz Differential Clock Buffer/Level Translator 32-WQFN -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; WQFN
from Nexperia B.V.
The 74LVC2G08 is a dual 2-input AND gate. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times. This... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: AND
- Propagation Delay: 2.1
from Texas Instruments
3.1-GHz Differential Clock Buffer/Level Translator 36-WQFN -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; WQFN
from Nexperia B.V.
The 74LVC2G08 is a dual 2-input AND gate. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times. This... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: AND
- Propagation Delay: 2.1
from Texas Instruments
3.1-GHz Differential Clock Buffer/Level Translator 40-WQFN -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; WQFN
from Nexperia B.V.
The 74LVC2G08 is a dual 2-input AND gate. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times. This... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: AND
- Propagation Delay: 2.1
from Texas Instruments
LMK00334 4-Output PCIe Gen1/Gen2/Gen3 Clock Buffer/Level Translator 32-WQFN -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; WQFN
from Nexperia B.V.
The 74LVC2G08 is a dual 2-input AND gate. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times. This... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: AND
- Propagation Delay: 2.1
from Texas Instruments
LMK00338 8-Output PCIe Gen1/2/3 Clock Buffer/Level Translator 40-WQFN -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; WQFN
from Nexperia B.V.
The 74LVC2G34 is a dual buffer. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times. This device is... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Logic Family: CMOS/LVTTL
- Gate Type: Buffer/Driver
- Operating Temperature: -40 to 125
from Texas Instruments
Low Skew, 1-to-5, Differential-to-3.3V LVPECL Fanout Buffer 20-TSSOP -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; TSSOP
from Nexperia B.V.
The 74HC9115 is a 9-bit buffer with Schmitt trigger inputs and open drain outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. Schmitt trigger inputs transform slowly changing input signals into sharply defined... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 6.0
- Output Type: Open Drain
- Gate Type: Buffer/Driver
- Logic Family: CMOS
from Texas Instruments
1:4 LVDS Clock Fanout Buffer 16-SOIC -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; SOIC,TSSOP
from Nexperia B.V.
The 74HC7540; 74HCT7540 is an 8-bit inverting buffer/line driver with Schmitt-trigger inputs and 3 - state outputs. The device features two output enables (OE1 and OE2). A HIGH on OEn causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes. This enables... [See More]
- Supply Voltage: 2.5V; 3V; 3.3V; 3.6V; 5V; 2.0 - 6.0
- Output Type: 3-State
- Gate Type: Buffer/Driver
- Logic Family: CMOS
from Texas Instruments
1 LVTTL:4 LVDS Clock Fanout Buffer 16-SOIC -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; SOIC,TSSOP
from Nexperia B.V.
The 74LVC1G14 is a single inverter with Schmitt-trigger inputs. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments. This device is fully specified for partial power down applications using IOFF. The... [See More]
- Supply Voltage: 1.8V; 2.5V; 3V; 3.3V; 3.6V; 5V; 1.65 - 5.5
- Operating Temperature: -40 to 125
- Logic Family: CMOS/LVTTL
- IC Package Type: Other; SOT1269-2
from Texas Instruments
1:8 LVDS Clock Fanout Buffer 38-TSSOP -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; TSSOP
from Texas Instruments
1:16 LVDS Clock Fanout Buffer 64-TSSOP -40 to 85 [See More]
- Supply Voltage: 3.3V
- Operating Temperature: -40 to 85
- Gate Type: Buffer/Driver
- IC Package Type: Other; TSSOP
from Quarktwin Technology Ltd.
Configurable Multiple Function Configurable 1 Circuit 2 Input 16-QFN (3x3) [See More]
- Supply Voltage: 3.3V; 2.5V ~ 3.3V
- Output Type: Differential
- Gate Type: Configurable Multiple Function
- Inputs: 2
from Quarktwin Technology Ltd.
XOR (Exclusive OR) IC 1 Channel Adjustable Output Amplitude and Frequency Response, Heat Sink on Top 16-LGA (3x3) [See More]
- Supply Voltage: 3.3V; ±2.9V ~ 3.3V
- Inputs: 2
- Gate Type: XOR; XOR (Exclusive OR)
- Operating Current: 90