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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74AHC |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 8mA, 8mA |
| Voltage - Supply | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount |
| Package / Case | 5-TSSOP, SC-70-5, SOT-353 |
| Supplier Device Package | SC-70-5 |
The CAHC1G125QDCKRQ1 is a single non-inverting buffer from Texas Instruments, part of the 74AHC logic family. It operates from 2V to 5.5V and features a 3-State output with 8mA drive capability. This automotive-qualified IC is designed for signal buffering, level shifting, and bus driving in demanding applications. Its compact SOT-353 package is ideal for space-limited designs.
- Automotive Qualified (Q1): Meets AEC-Q100 standards for reliable operation in vehicles.
- Wide 2V to 5.5V Supply: Compatible with 3.3V and 5V logic, simplifying design.
- 3-State Output: Enables bus sharing and isolation.
- High-Speed 74AHC Family: Provides fast propagation delays for time-critical signals.
Automotive ECU Signal Buffering
Qualified for automotive (Q1), this buffer drives control signals in engine control units, ensuring reliable operation under harsh conditions.
5V to 3.3V Level Translation
With a 2V to 5.5V range, it can buffer 5V signals to 3.3V logic, protecting low-voltage MCUs.
Bus Driving in Industrial PLCs
The 8mA output current drives industrial control bus lines, maintaining signal integrity over longer distances.
Sensor Interface in Automotive
Buffer non-inverting signals from temperature or pressure sensors, providing clean logic levels to the ECU.
Clock Signal Distribution
Use as a clock buffer to fan out timing signals to multiple peripherals without degradation.
Portable Test Equipment
Compact SOT-353 package and wide voltage range make it ideal for handheld multimeters and oscilloscopes.
- Q: What is the logic family of the CAHC1G125QDCKRQ1?
- A: It belongs to the 74AHC high-speed CMOS family, known for balanced speed and power.
- Q: What is the function of this IC?
- A: It is a single non-inverting buffer with 3-State output, ideal for signal buffering and bus driving.
- Q: How many channels does it have?
- A: It has 1 channel, providing a single buffer path.
- Q: What is the output type?
- A: The output is 3-State, allowing high-impedance control for shared buses.
- Q: What is the operating voltage range?
- A: It operates from 2V to 5.5V, compatible with both 3.3V and 5V systems.
- Q: What package is available?
- A: It comes in a 5-TSSOP/SC-70-5/SOT-353 package, suitable for compact designs.
CAHC1G125QDCKRQ1.pdf
- Q: What is the logic family of the CAHC1G125QDCKRQ1?
- A: It belongs to the 74AHC high-speed CMOS family, known for balanced speed and power.
- Q: What is the function of this IC?
- A: It is a single non-inverting buffer with 3-State output, ideal for signal buffering and bus driving.
- Q: How many channels does it have?
- A: It has 1 channel, providing a single buffer path.
- Q: What is the output type?
- A: The output is 3-State, allowing high-impedance control for shared buses.
- Q: What is the operating voltage range?
- A: It operates from 2V to 5.5V, compatible with both 3.3V and 5V systems.
- Q: What package is available?
- A: It comes in a 5-TSSOP/SC-70-5/SOT-353 package, suitable for compact designs.