Overview
The 74AHCT14PW is a hex inverter with Schmitt-trigger inputs, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74AHCT series, known for its compatibility with TTL logic levels and its robust performance in various electronic applications. The device is designed to operate over a wide supply voltage range from 2.0 V to 5.5 V, making it versatile for different design requirements.
The 74AHCT14PW features overvoltage tolerant inputs up to 5.5 V, high noise immunity, and low power dissipation, which are critical for reliable operation in noisy environments and for minimizing power consumption. The device is available in a TSSOP14 package, making it suitable for surface-mount technology (SMT) assembly.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC (Supply Voltage) | 2.0 - 5.5 | V |
| Logic Switching Levels | TTL | - |
| Output Drive Capability | ± 8 | mA |
| fmax (Maximum Frequency) | 60 | MHz |
| Number of Bits | 6 | - |
| Power Dissipation Considerations | Low | - |
| Tamb (Ambient Temperature) | -40 to +125 | °C |
| Rth(j-a) (Junction-to-Ambient Thermal Resistance) | 141 | K/W |
| Rth(j-c) (Junction-to-Case Thermal Resistance) | 67.2 | K/W |
| Package Name | TSSOP14 (SOT402-1) | - |
Key Features
- Wide Supply Voltage Range: Operates 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.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- Balanced Propagation Delays: Ensures consistent and balanced signal propagation.
- ESD Protection: Complies with ANSI/ESDA/JEDEC JS-001 class 2 (exceeds 2000 V) and JS-002 class C3 (exceeds 1000 V).
- Latch-up Performance: Exceeds 100 mA per JESD 78 Class II Level A.
Applications
The 74AHCT14PW is suitable for a wide range of applications across various industries, including:
- Automotive: For use in automotive electronics where robustness and reliability are crucial.
- Industrial: In industrial control systems and automation where high noise immunity is necessary.
- Consumer Electronics: In consumer devices such as mobile phones, tablets, and other portable electronics.
- Computing and Power Systems: In computing hardware and power management systems where low power dissipation is important.
- Wave and Pulse Shapers: For shaping waveforms and pulses in various electronic circuits.
- Multivibrators: In astable and monostable multivibrator circuits.
Q & A
- What is the supply voltage range of the 74AHCT14PW?
The supply voltage range is from 2.0 V to 5.5 V.
- What type of logic switching levels does the 74AHCT14PW support?
The device supports TTL logic switching levels.
- What is the output drive capability of the 74AHCT14PW?
The output drive capability is ± 8 mA.
- What is the maximum frequency of operation for the 74AHCT14PW?
The maximum frequency is 60 MHz.
- What is the thermal resistance from junction to ambient for the 74AHCT14PW?
The thermal resistance from junction to ambient is 141 K/W.
- Does the 74AHCT14PW have ESD protection?
Yes, it complies with ANSI/ESDA/JEDEC JS-001 class 2 (exceeds 2000 V) and JS-002 class C3 (exceeds 1000 V).
- What is the latch-up performance of the 74AHCT14PW?
The latch-up performance exceeds 100 mA per JESD 78 Class II Level A.
- In what package is the 74AHCT14PW available?
The device is available in a TSSOP14 (SOT402-1) package.
- What are the typical applications of the 74AHCT14PW?
It is used in automotive, industrial, consumer electronics, computing, and power systems, among others.
- How does the Schmitt-trigger input improve the performance of the 74AHCT14PW?
The Schmitt-trigger input provides high noise immunity and transforms slowly changing input signals into sharply defined, jitter-free output signals.
