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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74HC |
| 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 | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SOIC |
| ROHS |  |
The MC74HC244AFR1 from onsemi is a dual non-inverting buffer with 3-State outputs. Operating from 2V to 6V, it delivers 7.8mA output current per channel. The 74HC logic family provides high-speed CMOS performance. Packaged in a 20-SOIC, it is ideal for bus interfacing, signal buffering, and driving multiple loads in industrial and consumer electronics.
- Wide Supply Range (2V-6V): Compatible with 3.3V and 5V systems, offering design flexibility.
- High Output Current (7.8mA): Drives multiple loads or LEDs directly.
- 3-State Outputs: Enables bus sharing and power saving.
- Wide Temperature Range: -55°C to 125°C, suitable for harsh environments.
Bus Interfacing in 5V Systems
With 3-State outputs and a wide voltage range, the MC74HC244AFR1 is perfect for buffering data buses in 5V microcontroller systems.
Signal Buffering for Long Traces
Use it to buffer signals over long PCB traces, reducing noise and improving signal integrity in industrial controls.
Driving Multiple Logic Loads
The 7.8mA output current can drive multiple TTL or CMOS inputs, ensuring reliable fan-out in complex circuits.
Level Shifting from 3.3V to 5V
Its 2V to 6V range allows interfacing between 3.3V and 5V logic, simplifying mixed-voltage designs.
Memory Address Buffering
In embedded systems, it can buffer address lines between a CPU and memory, ensuring stable timing.
Peripheral Isolation
Use 3-State outputs to disconnect peripherals from a bus when not in use, reducing power consumption.
- Q: What is the logic family of the MC74HC244AFR1?
- A: It belongs to the 74HC family, offering high-speed CMOS with standard CMOS inputs.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 2 channels, ideal for signal buffering.
- Q: What output type does it have?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, covering 3.3V and 5V systems.
- Q: What is the output current capability?
- A: It can source and sink 7.8mA, suitable for driving LEDs and logic inputs.
- Q: What package is available?
- A: It comes in a 20-SOIC package (0.209", 5.30mm width).
MC74HC244AFR1.pdf
- Q: What is the logic family of the MC74HC244AFR1?
- A: It belongs to the 74HC family, offering high-speed CMOS with standard CMOS inputs.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 2 channels, ideal for signal buffering.
- Q: What output type does it have?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, covering 3.3V and 5V systems.
- Q: What is the output current capability?
- A: It can source and sink 7.8mA, suitable for driving LEDs and logic inputs.
- Q: What package is available?
- A: It comes in a 20-SOIC package (0.209", 5.30mm width).