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| Product attributes | Property Value |
| Manufacturer | Renesas Electronics Corporation |
| Product Series | 74AC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| 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 |
The 74AC240P-E is a dual-channel inverting buffer from Renesas Electronics, part of the 74AC logic family. It features 3-State outputs, allowing for bus-oriented applications. Operating from 2V to 6V, it supports a wide range of supply voltages, including 3.3V and 5V systems. Each output can source or sink 24mA, making it suitable for driving LEDs and other moderate loads. The 20-DIP package is ideal for through-hole prototyping and legacy designs. Typical applications include signal inversion, bus buffering, and level shifting in industrial and consumer electronics.
- Wide Supply Range: 2V to 6V operation supports multiple logic standards.
- Through-Hole Package: 20-DIP is easy to solder and breadboard.
- 3-State Outputs: Enables bus sharing and reduces power consumption when disabled.
- High-Speed CMOS: 74AC family offers fast propagation delays.
Signal Inversion and Buffering
Use the 74AC240P-E to invert and buffer digital signals, ensuring clean logic levels for downstream circuits.
LED Driving
With 24mA sink capability, it can directly drive LEDs with current-limiting resistors, simplifying indicator circuits.
Bus Line Driving
The 3-State outputs allow multiple buffers to be connected to a shared bus, controlled by enable signals.
Level Shifting (5V to 3.3V)
Operating up to 6V, it can accept 5V inputs and, with appropriate pull-ups, interface with 3.3V systems.
Industrial Control Logic
In industrial controllers, it provides robust buffering for sensor and actuator signals, operating across -40°C to 85°C.
Test Equipment
For benchtop instruments, it offers reliable signal conditioning and inversion for various test points.
- Q: What logic family is the 74AC240P-E?
- A: It belongs to the 74AC family, offering high-speed CMOS performance.
- Q: What is the function of this IC?
- A: It is a dual-channel inverting buffer with 3-State outputs.
- Q: What is the output type?
- A: The outputs are 3-State, enabling bus sharing and isolation.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, compatible with TTL, CMOS, and other logic levels.
- Q: What is the package type?
- A: It comes in a 20-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.
- Q: What are the output current capabilities?
- A: It can source and sink 24mA, suitable for driving LEDs and moderate loads.
74AC240P-E.pdf
- Q: What logic family is the 74AC240P-E?
- A: It belongs to the 74AC family, offering high-speed CMOS performance.
- Q: What is the function of this IC?
- A: It is a dual-channel inverting buffer with 3-State outputs.
- Q: What is the output type?
- A: The outputs are 3-State, enabling bus sharing and isolation.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, compatible with TTL, CMOS, and other logic levels.
- Q: What is the package type?
- A: It comes in a 20-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.
- Q: What are the output current capabilities?
- A: It can source and sink 24mA, suitable for driving LEDs and moderate loads.