Nexperia USA Inc. 74AHCT240D,118
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.97 | $0.97 |
| 15+ | $0.22 | $3.30 |
| 25+ | $0.22 | $5.50 |
| 50+ | $0.20 | $10.00 |
| 100+ | $0.18 | $18.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Nexperia USA Inc. |
| Product Series | 74AHCT |
| Packaging | Tape & Reel (TR) | |
| 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 | 8mA, 8mA |
| Voltage - Supply | 4.5V ~ 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 74AHCT240D is a dual inverting buffer from Nexperia, part of the 74AHCT family designed for 5V TTL systems. It operates from 4.5V to 5.5V, providing reliable performance in standard 5V logic environments. Each of its 2 channels features a 3-State output capable of driving 8mA. The 20-SOIC package offers a wider footprint for easier PCB routing. Ideal for bus driving, signal inversion, and memory interfacing in industrial and automotive applications.
- TTL-Compatible Inputs: Seamlessly interfaces with 5V TTL logic.
- High 8mA Output Drive: Ensures robust signal transmission over long traces.
- 3-State Outputs: Enables bus sharing and reduces power consumption.
- Wide Temperature Range: -40°C to 125°C for harsh environments.
5V TTL Signal Inversion
Provides inverting buffering for 5V TTL systems, ensuring correct logic polarity in control circuits.
Bus Driving in Legacy Systems
With 8mA drive and 3-State outputs, it drives legacy 5V buses in industrial and telecom equipment.
Memory Address Decoding
Inverts and buffers address lines in 5V memory systems, improving signal integrity and reducing loading.
Automotive Infotainment
Buffers and inverts signals in automotive infotainment systems, operating reliably across -40°C to 125°C.
Peripheral Interface Protection
Isolates sensitive MCU pins from external loads, preventing damage from voltage spikes or excessive current.
Industrial Sensor Interfaces
Buffers and inverts sensor outputs in industrial control systems, ensuring clean signals for PLCs.
- Q: What logic family does the 74AHCT240D belong to?
- A: It is part of the 74AHCT family, which is TTL-compatible and operates at 5V.
- Q: What is the function of this device?
- A: It is a dual inverting buffer with 3-State outputs, used for signal inversion and bus driving.
- Q: How many channels are there?
- A: It has 2 channels, each with a 3-State output.
- Q: What is the output type?
- A: 3-State outputs allow high-impedance mode for bus sharing.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, optimized for 5V TTL systems.
- Q: What package is used?
- A: It comes in a 20-SOIC package (7.50mm width), suitable for wider PCB layouts.
- Q: What logic family does the 74AHCT240D belong to?
- A: It is part of the 74AHCT family, which is TTL-compatible and operates at 5V.
- Q: What is the function of this device?
- A: It is a dual inverting buffer with 3-State outputs, used for signal inversion and bus driving.
- Q: How many channels are there?
- A: It has 2 channels, each with a 3-State output.
- Q: What is the output type?
- A: 3-State outputs allow high-impedance mode for bus sharing.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, optimized for 5V TTL systems.
- Q: What package is used?
- A: It comes in a 20-SOIC package (7.50mm width), suitable for wider PCB layouts.

74AHCT240D,118.pdf