Overview
The 74AHCT244PW-Q100,1 is an 8-bit buffer/line driver with 3-state outputs, manufactured by Nexperia USA Inc. This device is part of the 74AHCT family and is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), making it suitable for use in automotive applications. It can be used as two 4-bit buffers or one 8-bit buffer, offering flexibility in various digital circuit designs. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs, allowing for high-impedance OFF-state when needed.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Nr of bits | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|---|
| 74AHCT244PW-Q100 | 2.0 - 5.5 | TTL | ± 8 | 60 | 8 | Low | -40 to +125 | TSSOP20 (SOT360-1) |
Key Features
- Wide supply voltage range: From 2.0 V to 5.5 V.
- Balanced propagation delays: Ensures consistent signal timing.
- Schmitt-trigger action on all inputs: Improves noise immunity.
- Overvoltage tolerant inputs: Up to 5.5 V, allowing use in mixed voltage environments.
- CMOS low power dissipation: Reduces power consumption.
- 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.
- Automotive qualification: AEC-Q100 (Grade 1) qualified for automotive applications.
Applications
The 74AHCT244PW-Q100,1 is suitable for a wide range of applications, including:
- Automotive systems: Qualified to AEC-Q100 (Grade 1), it is ideal for use in automotive electronics.
- Industrial control systems: Reliable operation in harsh environments.
- Consumer electronics: Used in various consumer devices requiring buffer/line driver functions.
- Computing and networking equipment: For signal buffering and line driving in digital circuits.
Q & A
- What is the primary function of the 74AHCT244PW-Q100,1?
The primary function is to act as an 8-bit buffer/line driver with 3-state outputs.
- What are the logic switching levels for this device?
The logic switching levels are TTL (Transistor-Transistor Logic).
- What is the operating temperature range for this device?
The device operates from -40 °C to +125 °C.
- Does the device have ESD protection?
Yes, it has ESD protection: HBM exceeds 2000 V and CDM exceeds 1000 V.
- What package options are available for this device?
The device is available in a TSSOP20 (SOT360-1) package.
- Is the device suitable for automotive applications?
Yes, it is qualified to the AEC-Q100 (Grade 1) standard for automotive use.
- What is the maximum output drive capability of the device?
The maximum output drive capability is ± 8 mA.
- Does the device have overvoltage tolerant inputs?
Yes, the inputs are overvoltage tolerant up to 5.5 V.
- What is the maximum frequency of operation for this device?
The maximum frequency of operation is 60 MHz.
- How many bits does the device handle?
The device handles 8 bits and can be used as two 4-bit buffers or one 8-bit buffer.
