Overview
The 74AHC244PW/AUJ is an octal buffer/line driver with 3-state outputs, manufactured by NXP USA Inc. (now part of Nexperia). This integrated circuit is designed to operate as either two 4-bit buffers or one 8-bit buffer, making it versatile for various digital logic applications. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs, allowing for flexible control over the output states.
Key Specifications
| Parameter | Value |
|---|---|
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Packaging | Tape & Reel (TR) |
| Voltage - Supply | 2V ~ 5.5V |
| Output Type | 3-State |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Logic Type | Buffer, Non-Inverting |
| Current - Output High, Low | 8mA, 8mA |
| RoHS Status | ROHS3 Compliant |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 5.5 V, making it suitable for a variety of voltage environments.
- 3-State Outputs: Each output can be set to a high-impedance OFF-state, controlled by two output enables (1OE and 2OE).
- Overvoltage Tolerant Inputs: Inputs are tolerant up to 5.5 V, allowing use in mixed voltage environments.
- Schmitt-trigger Action on Inputs: Enhances noise immunity.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- High ESD Protection: Exceeds 2000 V HBM and 1000 V CDM.
- Multiple Package Options: Available in various packages, including 20-TSSOP.
Applications
- Digital Logic Circuits: Ideal for buffering and driving signals in digital logic circuits.
- Mixed Voltage Environments: Suitable for use in systems with different voltage levels due to its overvoltage tolerant inputs.
- Industrial and Automotive Systems: Operates over a wide temperature range (-40°C to 125°C), making it suitable for industrial and automotive applications.
- Communication Systems: Can be used as a line driver in communication systems requiring 3-state outputs.
Q & A
- What is the primary function of the 74AHC244PW/AUJ?
The primary function is to act as an octal buffer/line driver with 3-state outputs.
- What is the supply voltage range for this IC?
The supply voltage range is from 2.0 V to 5.5 V.
- How many output enables does the 74AHC244PW/AUJ have?
It has two output enables (1OE and 2OE), each controlling four of the 3-state outputs.
- What is the operating temperature range of this IC?
The operating temperature range is from -40°C to 125°C.
- Is the 74AHC244PW/AUJ RoHS compliant?
- What type of logic levels does the 74AHC244PW/AUJ support?
- What is the current drive capability of the outputs?
- Does the 74AHC244PW/AUJ have ESD protection?
- In what package is the 74AHC244PW/AUJ available?
- Can the 74AHC244PW/AUJ be used in mixed voltage environments?
