Overview
The 74AHCT14PW is a hex inverting Schmitt trigger integrated circuit produced by Nexperia. This device is part of the AHCT series, which is known for its high noise immunity and low power dissipation. The 74AHCT14PW is particularly useful in mixed voltage environments due to its overvoltage tolerant inputs.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74AHCT14PW | 4.5 - 5.5 | TTL | ± 8 | 60 | 6 | low | -40 ~ 125 | 141 | 67.2 | TSSOP14 |
Key Features
- Wide supply voltage range: From 2.0 V to 5.5 V, making it versatile for various applications.
- Overvoltage tolerant inputs: Inputs are tolerant up to 5.5 V, allowing use in mixed voltage environments.
- High noise immunity: Schmitt-trigger inputs provide high noise immunity, ensuring reliable operation in noisy environments.
- CMOS low power dissipation: Low power consumption, which is beneficial for power-sensitive applications.
- Balanced propagation delays: Ensures consistent and balanced signal propagation.
- ESD protection: Human Body Model (HBM) exceeds 2000 V and Charged Device Model (CDM) exceeds 1000 V, providing robust protection against electrostatic discharge.
- Multiple package options: Available in various packages, including TSSOP14.
Applications
The 74AHCT14PW is suitable for a variety of applications where high noise immunity and low power consumption are critical. These include:
- Signal conditioning and buffering in digital circuits.
- Mixed voltage environment applications where input voltage levels may vary.
- Power-sensitive designs where low power dissipation is essential.
- Automotive and industrial control systems requiring robust ESD protection.
Q & A
- What is the primary function of the 74AHCT14PW?
The 74AHCT14PW is a hex inverting Schmitt trigger, providing six independent inverting Schmitt trigger circuits.
- What is the supply voltage range for the 74AHCT14PW?
The supply voltage range is from 2.0 V to 5.5 V.
- What are the logic switching levels for the 74AHCT14PW?
The logic switching levels are TTL (Transistor-Transistor Logic) compatible.
- What is the maximum output drive capability of the 74AHCT14PW?
The maximum output drive capability is ± 8 mA.
- What is the maximum operating frequency of the 74AHCT14PW?
The maximum operating frequency is 60 MHz.
- What is the package type for the 74AHCT14PW?
The device is available in a TSSOP14 package.
- What is the temperature range for the 74AHCT14PW?
The device is specified to operate from -40 °C to +125 °C.
- Does the 74AHCT14PW have ESD protection?
Yes, it has robust ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V.
- What are some common applications for the 74AHCT14PW?
Common applications include signal conditioning, mixed voltage environments, power-sensitive designs, and automotive/industrial control systems.
- Is the 74AHCT14PW RoHS compliant?
Yes, the device is RoHS compliant.
