| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.00 | $0.00 |
| 15+ | $0.00 | $0.00 |
| 25+ | $0.00 | $0.00 |
| 50+ | $0.00 | $0.00 |
| 100+ | $0.00 | $0.00 |
| N+ | $0.00 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Motorola |
| Product Series | 74LS |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | - |
| Current - Output High, Low | 15mA, 24mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 14-DIP (0.300", 7.62mm) |
| Supplier Device Package | 14-PDIP |
The SN74LS242N is a quad bus transceiver from Motorola, designed for inverting bidirectional data transmission. Operating at a standard 5V supply (4.75V to 5.25V), it features 3-state outputs with 15mA sink and 24mA source capability. This 74LS logic device is well-suited for bus-oriented systems where signal inversion is required. Its 14-pin DIP package allows for easy integration into through-hole PCBs, making it a practical choice for industrial controls, memory interfacing, and general digital logic applications.
- Inverting Function: Eliminates the need for separate inverter ICs, saving board space and cost.
- 3-State Outputs: Facilitates multiplexed bus architectures without external tristate buffers.
- Low Power Schottky Technology: Provides good speed with lower power consumption than standard TTL.
- Standard 5V Operation: Directly compatible with TTL logic levels, simplifying design.
Inverting Bus Transceiver
Use the SN74LS242N when you need to invert data signals while driving a bidirectional bus. The 3-state outputs allow multiple sources to share the same lines.
TTL to TTL Signal Inversion
In digital systems where signal polarity needs to be flipped, this IC provides a simple, high-speed solution without additional logic gates.
Memory Read/Write Buffering
In microprocessor systems, it can buffer and invert data lines between the CPU and memory, reducing loading on the processor's I/O pins.
Peripheral Interface Adapters
For connecting legacy peripherals that require inverted control signals, this transceiver offers a compact and reliable interface.
Industrial Sensor Signal Conditioning
In industrial controls, sensor outputs often need inversion and buffering before reaching a PLC input. The 74LS family's proven reliability makes it a safe choice.
Prototyping and Education
For breadboard-based digital logic experiments, the DIP package and 5V operation make it easy to use in educational settings.
- Q: What is the logic family of the SN74LS242N?
- A: It is from the 74LS (Low-power Schottky) logic family.
- Q: What function does this IC perform?
- A: It is an inverting transceiver, meaning the output is the logical inverse of the input.
- Q: How many channels are available?
- A: It has 1 channel (4-bit) for data transfer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus-oriented applications.
- Q: What is the recommended operating voltage?
- A: It operates between 4.75V and 5.25V, typical for 5V TTL systems.
- Q: What package does it come in?
- A: It is available in a 14-pin DIP (0.300", 7.62mm) package.
SN74LS242N.pdf
- Q: What is the logic family of the SN74LS242N?
- A: It is from the 74LS (Low-power Schottky) logic family.
- Q: What function does this IC perform?
- A: It is an inverting transceiver, meaning the output is the logical inverse of the input.
- Q: How many channels are available?
- A: It has 1 channel (4-bit) for data transfer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus-oriented applications.
- Q: What is the recommended operating voltage?
- A: It operates between 4.75V and 5.25V, typical for 5V TTL systems.
- Q: What package does it come in?
- A: It is available in a 14-pin DIP (0.300", 7.62mm) package.