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| Product attributes | Property Value |
| Manufacturer | NXP USA Inc. |
| Product Series | 74AHC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 8mA, 8mA |
| Voltage - Supply | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SO |
The 74AHC244D from Nexperia is a dual non-inverting buffer featuring 3-State outputs. It operates from 2V to 5.5V, delivering 8mA output current per channel. This device is ideal for bus-oriented systems, signal buffering, and level translation. Its 74AHC family ensures high-speed performance with low power consumption, making it suitable for a wide range of digital applications.
- Wide Supply Voltage (2V to 5.5V): Ensures compatibility with 3.3V and 5V logic families, reducing design complexity.
- 3-State Outputs: Facilitates bus sharing and prevents data corruption in multi-device systems.
- High-Speed 74AHC Technology: Offers fast propagation delays for high-frequency operation.
- 8mA Output Drive: Capable of driving moderate loads and long traces without signal degradation.
Bus Interfacing in Large Systems
The 3-State outputs of the 74AHC244D allow multiple devices to share a common bus. This is essential in computer systems, networking equipment, and industrial controllers where data lines are shared.
Signal Buffering for High-Fanout Applications
When a logic signal needs to drive many inputs, this buffer provides the necessary current amplification (8mA) to maintain signal integrity across the entire fan-out.
Level Shifting Between 3.3V and 5V Logic
With a supply range of 2V to 5.5V, this device can be powered at 3.3V to interface with 5V logic, or at 5V to drive 3.3V inputs, enabling seamless mixed-voltage communication.
Driving LEDs and Relays
Each output can source or sink 8mA, which is sufficient to drive standard LEDs or small relays with appropriate external components.
Clock Distribution and Fan-Out
In digital systems, clock signals require precise timing. This buffer can distribute clock signals to multiple destinations while preserving edge rates and minimizing skew.
Industrial Control Logic
In industrial environments, the 74AHC244D can buffer control signals between PLCs, sensors, and actuators. Its wide temperature range (-40°C to 125°C) ensures reliable operation in harsh conditions.
- Q: What is the logic family of the 74AHC244D?
- A: It belongs to the 74AHC (Advanced High-Speed CMOS) logic family.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 2 independent buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for high-impedance states in bus applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 5.5V, supporting both 3.3V and 5V systems.
- Q: What package is available?
- A: It is available in a 20-SOIC package (7.50mm width).
74AHC244D,118.pdf
- Q: What is the logic family of the 74AHC244D?
- A: It belongs to the 74AHC (Advanced High-Speed CMOS) logic family.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 2 independent buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for high-impedance states in bus applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 5.5V, supporting both 3.3V and 5V systems.
- Q: What package is available?
- A: It is available in a 20-SOIC package (7.50mm width).