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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74LS |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 2.6mA, 24mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 14-SOP |
The DM74LS125ASJ is a quad non-inverting buffer from Fairchild Semiconductor, part of the 74LS logic family. It provides four independent buffers with 3-State outputs, ideal for bus applications. Operating from 4.75V to 5.25V, it can source 2.6mA and sink 24mA. The 14-SOIC package is compact for space-saving designs. This buffer is suitable for TTL bus interfacing, peripheral driving, and signal distribution.
- Quad Channel Design: Provides four buffers in a single package, saving board space.
- 3-State Outputs: Allows for bus sharing and isolation, enhancing system flexibility.
- 74LS Low-Power Technology: Consumes less power than standard TTL, reducing heat generation.
- Standard TTL Compatibility: Easily interfaces with other 5V TTL logic devices.
TTL Bus Buffering
Use the DM74LS125ASJ to buffer TTL-level signals in 5V systems. Its 3-State outputs allow multiple devices to be connected to a common bus.
Peripheral Interfacing
In microcontroller systems, this buffer can interface with peripherals that require additional drive current, such as LEDs or small relays.
Memory Address Buffering
For memory systems, this buffer can drive address lines to multiple memory chips, ensuring signal integrity and reducing loading on the processor.
Industrial Logic Control
In industrial control panels, this buffer can isolate and drive logic signals to various modules, operating reliably in the 0°C to 70°C range.
Signal Distribution
Use this buffer to distribute a single signal to multiple destinations, ensuring consistent voltage levels across all outputs.
- Q: What is the logic family of the DM74LS125ASJ?
- A: It belongs to the 74LS (Low-Power Schottky) logic family, known for its balance of speed and power consumption.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 4 channels, providing signal buffering and isolation.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing multiple devices to share a bus.
- Q: What is the voltage range?
- A: The operating voltage is 4.75V to 5.25V, standard for TTL logic.
- Q: What is the output current capability?
- A: It can source 2.6mA and sink 24mA, suitable for TTL-level loads.
- Q: What package is it available in?
- A: It comes in a 14-SOIC package with a width of 5.30mm.
DM74LS125ASJ.pdf
- Q: What is the logic family of the DM74LS125ASJ?
- A: It belongs to the 74LS (Low-Power Schottky) logic family, known for its balance of speed and power consumption.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 4 channels, providing signal buffering and isolation.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing multiple devices to share a bus.
- Q: What is the voltage range?
- A: The operating voltage is 4.75V to 5.25V, standard for TTL logic.
- Q: What is the output current capability?
- A: It can source 2.6mA and sink 24mA, suitable for TTL-level loads.
- Q: What package is it available in?
- A: It comes in a 14-SOIC package with a width of 5.30mm.