onsemi MM74HC244WMX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.37 | $1.37 |
| 15+ | $1.32 | $19.80 |
| 25+ | $1.30 | $32.50 |
| 50+ | $1.22 | $61.00 |
| 100+ | $1.08 | $108.00 |
| N+ | $0.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74HC |
| Packaging | Factory | Cut Tape (CT) |
| 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 | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| ROHS |  |
The MM74HC244WMX from Fairchild Semiconductor is a dual-channel non-inverting buffer in the 74HC logic family. It features 3-State outputs, enabling efficient bus sharing in digital systems. Operating from a wide 2V to 6V supply, it provides 7.8mA of source and sink current, making it suitable for driving CMOS logic inputs and small loads. Its high-speed CMOS technology ensures low power consumption and robust performance. This buffer is commonly used in level shifting, signal buffering, and bus interface applications across consumer and industrial electronics.
- Wide Supply Range (2V-6V): Compatible with both 3.3V and 5V systems, simplifying mixed-voltage design.
- 3-State Outputs: Allows multiple devices to share a common bus without conflict.
- Low Power CMOS: Minimizes power consumption, ideal for battery-powered applications.
- Industry-Standard SOIC Package: Easy to integrate into existing PCB designs.
5V/3.3V Level Translation
With a wide 2V to 6V supply range, the MM74HC244WMX can act as a simple level shifter between 5V microcontrollers and 3.3V peripherals, ensuring logic compatibility.
Microcontroller Pin Expansion
In embedded systems, this buffer can drive multiple LED indicators or relay drivers from a single microcontroller pin, thanks to its 3-State outputs and 7.8mA drive capability.
Industrial Sensor Interfacing
For industrial controls, it buffers signals from sensors and encoders, providing clean, non-inverted signals to a PLC or control unit over long PCB traces.
Memory Data Bus Buffering
In older 5V memory systems, this buffer isolates the memory data bus from the controller, reducing capacitive loading and improving signal integrity.
Battery-Powered Portable Devices
Its low-power CMOS technology and wide voltage range make it ideal for battery-operated devices, where it buffers communication lines without excessive power draw.
Test Fixture and Prototyping
In lab setups, the 3-State outputs allow multiple test signals to be multiplexed onto a single measurement line, simplifying data acquisition.
- Q: What logic family does the MM74HC244WMX belong to?
- A: It is part of the 74HC (High-Speed CMOS) family, offering a balance of speed and power efficiency.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 2 channels, used to strengthen signals for driving loads.
- Q: What type of outputs does it have?
- A: It has 3-State outputs, allowing the device to be disconnected from a bus when not active.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, making it compatible with both 3.3V and 5V logic systems.
- Q: What is the output current capability?
- A: It can source and sink 7.8mA, suitable for driving standard CMOS inputs and small loads.
- Q: What package is this IC available in?
- A: It comes in a 20-pin SOIC (Small Outline Integrated Circuit) package with a 7.50mm width.
MM74HC244WMX.pdf
- Q: What logic family does the MM74HC244WMX belong to?
- A: It is part of the 74HC (High-Speed CMOS) family, offering a balance of speed and power efficiency.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 2 channels, used to strengthen signals for driving loads.
- Q: What type of outputs does it have?
- A: It has 3-State outputs, allowing the device to be disconnected from a bus when not active.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, making it compatible with both 3.3V and 5V logic systems.
- Q: What is the output current capability?
- A: It can source and sink 7.8mA, suitable for driving standard CMOS inputs and small loads.
- Q: What package is this IC available in?
- A: It comes in a 20-pin SOIC (Small Outline Integrated Circuit) package with a 7.50mm width.
