Overview
The 74AHC244PW-Q100 is an 8-bit buffer/line driver with 3-state outputs, manufactured by NXP USA Inc. (now part of Nexperia). This device can be used as two 4-bit buffers or one 8-bit buffer, making it versatile for various digital logic applications. It is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), ensuring its suitability for high-reliability automotive applications.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | fmax (MHz) | Number of Bits | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74AHC244PW-Q100 | 2.0 - 5.5 | CMOS | ± 8 | 60 | 8 | Low | -40 to +125 | 100 | 4.6 | 44.7 | TSSOP20 (SOT360-1) |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 5.5 V.
- Automotive Qualification: Qualified to AEC-Q100 (Grade 1) for high-reliability automotive applications.
- 3-State Outputs: Allows for high-impedance state, useful for bus applications.
- Schmitt-Trigger Inputs: Provides high noise immunity.
- Overvoltage Tolerant Inputs: Inputs can tolerate up to 5.5 V.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- ESD Protection: Human Body Model (HBM) exceeds 2000 V and Charged Device Model (CDM) exceeds 1000 V.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level A.
Applications
The 74AHC244PW-Q100 is suitable for a wide range of applications, including:
- Automotive Systems: Due to its AEC-Q100 qualification, it is ideal for automotive electronics.
- Industrial Control Systems: Used in various industrial control and automation systems.
- Consumer Electronics: Found in consumer devices requiring reliable digital logic functions.
- Computing and Networking: Used in computing and networking equipment for buffer and line driver functions.
Q & A
- What is the primary function of the 74AHC244PW-Q100?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs.
- What is the operating voltage range of the 74AHC244PW-Q100?
The device operates from 2.0 V to 5.5 V.
- Is the 74AHC244PW-Q100 suitable for automotive applications?
- What type of input levels does the 74AHC244PW-Q100 support?
The device supports CMOS input levels.
- What is the maximum output drive capability of the 74AHC244PW-Q100?
The maximum output drive capability is ± 8 mA.
- What is the maximum operating frequency of the 74AHC244PW-Q100?
The maximum operating frequency is 60 MHz.
- Does the 74AHC244PW-Q100 have ESD protection?
- What is the package type of the 74AHC244PW-Q100?
The device is available in a TSSOP20 (SOT360-1) package.
- What are the temperature ranges for the 74AHC244PW-Q100?
The device operates from -40 °C to +125 °C.
- Does the 74AHC244PW-Q100 have Schmitt-trigger inputs?
