Overview
The 74AHCT244PW/S400118 is an 8-bit buffer/line driver with 3-state outputs, produced by Nexperia (previously part of NXP). This device is part of the 74AHCT series and is designed to operate in a wide range of voltage environments. It can be used as two 4-bit buffers or one 8-bit buffer, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type number | 74AHCT244PW |
| VCC (V) | 4.5 - 5.5 |
| Logic switching levels | TTL |
| Output drive capability (mA) | ± 8 |
| fmax (MHz) | 60 |
| Number of bits | 8 |
| Power dissipation considerations | Low power dissipation |
| Tamb (°C) | -40 to +125 |
| Package | TSSOP20 (SOT360-1) |
Key Features
- Wide supply voltage range from 2.0 V to 5.5 V
- Balanced propagation delays
- All inputs have Schmitt-trigger action
- Overvoltage tolerant inputs to 5.5 V
- High noise immunity
- CMOS low power dissipation
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V), CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V)
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level A
- Multiple package options
Applications
The 74AHCT244PW/S400118 is suitable for a variety of digital circuit applications, including:
- Buffering and line driving in digital systems
- Translation in mixed voltage environments due to overvoltage tolerant inputs
- General-purpose logic circuits requiring low power consumption and high noise immunity
Q & A
- What is the primary function of the 74AHCT244PW/S400118?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs. - What is the voltage range for the 74AHCT244PW/S400118?
The device operates within a voltage range of 4.5 V to 5.5 V. - What are the logic switching levels for this device?
The logic switching levels are TTL (Transistor-Transistor Logic). - What is the maximum output drive capability of the 74AHCT244PW/S400118?
The maximum output drive capability is ± 8 mA. - What is the maximum frequency of operation for this device?
The maximum frequency of operation is 60 MHz. - How many bits does the 74AHCT244PW/S400118 handle?
The device handles 8 bits. - What is the temperature range for the 74AHCT244PW/S400118?
The device is specified to operate from -40 °C to +125 °C. - What package type is the 74AHCT244PW/S400118 available in?
The device is available in a TSSOP20 (SOT360-1) package. - Does the 74AHCT244PW/S400118 have ESD protection?
Yes, it has ESD protection exceeding 2000 V for HBM and 1000 V for CDM. - What are some common applications for the 74AHCT244PW/S400118?
Common applications include buffering and line driving in digital systems, translation in mixed voltage environments, and general-purpose logic circuits.
