Texas Instruments SN74LS125ADBR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.97 | $0.97 |
| 15+ | $0.94 | $14.10 |
| 25+ | $0.92 | $23.00 |
| 50+ | $0.87 | $43.50 |
| 100+ | $0.77 | $77.00 |
| N+ | $0.15 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LS |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 14-SSOP |
| ROHS |  |
The SN74LS125ADBR from Texas Instruments is a quad non-inverting buffer designed for 5V logic systems. Belonging to the 74LS family, it offers proven Low-Power Schottky technology with 3-state outputs for flexible bus interfacing. Each of its 4 channels can source 2.6mA and sink 24mA, providing robust drive capability for LEDs, relays, and bus lines. Operating from 4.75V to 5.25V, it is ideal for legacy and industrial applications requiring reliable signal buffering. The 14-SSOP package is compact and suitable for space-constrained PCBs, with a temperature range of 0°C to 70°C.
- High Sink Current (24mA): Drives heavy loads like LEDs and relays directly.
- 3-State Outputs: Facilitates bus sharing and multiplexing without external components.
- Proven 74LS Technology: Reliable and widely understood logic family for 5V systems.
- Compact SSOP Package: Saves board space while providing 4 channels.
Legacy 5V Bus Buffering
In systems with 5V microprocessors or peripherals, this buffer provides the necessary drive strength (24mA sink) to maintain signal integrity on long bus traces.
Memory Expansion for Retro Computing
Use it to buffer address and data lines when expanding memory in vintage computers, ensuring reliable communication with multiple memory chips.
Peripheral Isolation in Test Fixtures
The 3-state outputs allow individual isolation of test points, enabling automated test equipment to probe multiple signals without loading the circuit.
Driving LED Arrays
With 2.6mA source and 24mA sink capability, it can directly drive LED indicators or small relay coils in control panels.
Industrial Logic Control
Operates from 0°C to 70°C, making it suitable for commercial and light industrial control systems where 5V logic is standard.
Signal Fan-Out
Buffers a single clock or control signal to multiple destinations, ensuring consistent voltage levels and timing across the system.
- Q: What logic family does the SN74LS125ADBR belong to?
- A: It is part of the 74LS (Low-Power Schottky) family, known for its balance of speed and power consumption.
- Q: What is the function of this device?
- A: It is a quad non-inverting buffer with 3-state outputs, ideal for driving buses or high-capacitance loads.
- Q: How many channels are available?
- A: It provides 4 independent buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing high-impedance disconnection for multiplexed bus applications.
- Q: What is the recommended operating voltage?
- A: It operates from 4.75V to 5.25V, making it strictly a 5V logic device.
- Q: What package is used?
- A: It is available in a 14-SSOP package with a 5.30mm width.
SN74LS125ADBR.pdf
- Q: What logic family does the SN74LS125ADBR belong to?
- A: It is part of the 74LS (Low-Power Schottky) family, known for its balance of speed and power consumption.
- Q: What is the function of this device?
- A: It is a quad non-inverting buffer with 3-state outputs, ideal for driving buses or high-capacitance loads.
- Q: How many channels are available?
- A: It provides 4 independent buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing high-impedance disconnection for multiplexed bus applications.
- Q: What is the recommended operating voltage?
- A: It operates from 4.75V to 5.25V, making it strictly a 5V logic device.
- Q: What package is used?
- A: It is available in a 14-SSOP package with a 5.30mm width.
