Texas Instruments SN74HC244NE4
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.73 | $1.73 |
| 15+ | $0.40 | $6.00 |
| 25+ | $0.39 | $9.75 |
| 50+ | $0.37 | $18.50 |
| 100+ | $0.32 | $32.00 |
| N+ | $0.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74HC |
| Packaging | Tube | |
| 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 | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP |
| ROHS |
The SN74HC244NE4 is an octal non-inverting buffer/line driver from Texas Instruments' 74HC family. It features 3-State outputs, enabling efficient bus-oriented designs. Operating from 2V to 6V, it is compatible with both TTL and CMOS logic levels. Each output can sink or source 7.8mA. The 20-DIP package is ideal for through-hole prototyping and industrial applications. Typical uses include memory buffering, I/O expansion, and signal conditioning.
- Wide 2V to 6V Supply: Works with 3.3V, 5V, and even 6V systems, offering design flexibility.
- 3-State Outputs: Allows multiple devices to share a common bus without contention.
- Through-Hole DIP Package: Easy to solder and breadboard, perfect for education and prototyping.
- High Noise Immunity: 74HC logic is robust in industrial environments.
Microcontroller I/O Expansion
The SN74HC244 can buffer and drive multiple LEDs, relays, or other loads from an MCU's I/O pins, protecting the MCU from excessive current draw.
Memory Address/Data Bus Buffering
In retro computing or embedded systems, this buffer isolates the CPU from memory chips, improving signal integrity and allowing multiple memory banks to share the bus.
Level Shifting from 5V to 3.3V
With a 2V to 6V range, it can accept 5V inputs and, with appropriate pull-ups, drive 3.3V logic, though careful design is needed for high-speed signals.
Industrial PLC Input Modules
The 3-State outputs and high noise immunity of 74HC logic make it suitable for buffering sensor inputs in programmable logic controllers.
Test Equipment and Instrumentation
Use it to buffer probe signals or drive long cables in benchtop instruments, ensuring accurate signal transmission over distances.
Prototyping with Through-Hole
The DIP package is breadboard-friendly, making it excellent for educational projects and rapid prototyping of digital circuits.
- Q: What is the logic family of SN74HC244NE4?
- A: It is from the 74HC (High-Speed CMOS) family.
- Q: What is the function?
- A: Octal non-inverting buffer/line driver with 3-State outputs.
- Q: How many channels does it have?
- A: 8 channels (2 groups of 4).
- Q: What is the output type?
- A: 3-State, allowing high-impedance output for bus sharing.
- Q: What is the voltage range?
- A: 2V to 6V, compatible with TTL and CMOS logic.
- Q: What is the package?
- A: 20-DIP (0.300", 7.62mm), through-hole package.
- Q: What is the logic family of SN74HC244NE4?
- A: It is from the 74HC (High-Speed CMOS) family.
- Q: What is the function?
- A: Octal non-inverting buffer/line driver with 3-State outputs.
- Q: How many channels does it have?
- A: 8 channels (2 groups of 4).
- Q: What is the output type?
- A: 3-State, allowing high-impedance output for bus sharing.
- Q: What is the voltage range?
- A: 2V to 6V, compatible with TTL and CMOS logic.
- Q: What is the package?
- A: 20-DIP (0.300", 7.62mm), through-hole package.

SN74HC244NE4.pdf