Texas Instruments CAHCT1G125QDCKRG4Q
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.33 | $0.33 |
| 15+ | $0.32 | $4.80 |
| 25+ | $0.32 | $8.00 |
| 50+ | $0.30 | $15.00 |
| 100+ | $0.26 | $26.00 |
| N+ | $0.05 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74AHCT |
| 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 | 3V ~ 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 CAHCT1G125QDCKRG4Q is a single-channel, non-inverting buffer from Texas Instruments, part of the 74AHCT logic family. It features a 3-State output, allowing for high-impedance states to facilitate bus-oriented applications. Operating from 3V to 5.5V, it can interface with both 3.3V and 5V logic systems. The device can source or sink 8mA of current, making it suitable for driving LEDs or other low-power loads. Its compact SC-70-5 package is ideal for space-constrained designs. Typical applications include signal buffering, bus isolation, and level shifting in industrial and automotive electronics.
- Wide 3V to 5.5V Supply Range: Compatible with both 3.3V and 5V systems, simplifying mixed-voltage design.
- 3-State Output: Enables bus multiplexing and prevents bus contention, improving system reliability.
- High-Speed 74AHCT Family: Provides fast propagation delays, suitable for high-frequency signal buffering.
- Extended Temperature Range (-40°C to 125°C): Reliable operation in harsh automotive and industrial environments.
Bus Interfacing in Mixed-Voltage Systems
The 3-State output allows the CAHCT1G125 to be used for bus isolation, preventing bus contention when multiple devices share a data line. Its 5V tolerant inputs enable interfacing between 3.3V and 5V logic without external level shifters.
Signal Buffering for High-Speed Digital Lines
With a propagation delay of only a few nanoseconds, this buffer can regenerate weak digital signals, ensuring signal integrity over longer PCB traces or cables. The 74AHCT family is optimized for high-speed operation.
Driving LED Indicators in Industrial Controls
The buffer can source or sink up to 8mA, sufficient to drive standard LEDs with a series resistor. Its wide operating temperature range (-40°C to 125°C) makes it suitable for harsh industrial environments.
Level Shifting for Sensor Interfaces
When connecting 5V sensors to a 3.3V microcontroller, this buffer can be used as a unidirectional level shifter. The input accepts 5V logic, while the output is referenced to the supply voltage (e.g., 3.3V).
Clock Distribution and Fan-Out
In digital systems, a single clock source may need to drive multiple loads. This buffer provides a clean, buffered copy of the clock signal, increasing fan-out and reducing capacitive loading on the source.
Automotive ECU Signal Conditioning
With its AEC-Q100 qualification (implied by the Q suffix), this buffer is suitable for automotive electronic control units, where reliable signal buffering between sensors and the ECU is critical.
- Q: What is the logic family of the CAHCT1G125QDCKRG4Q?
- A: It belongs to the 74AHCT logic family, offering high-speed CMOS performance with TTL-compatible inputs.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting buffer with a 3-State output, allowing for bus isolation and multiplexing.
- Q: How many channels does it have?
- A: It has one channel, making it ideal for signal buffering in space-constrained designs.
- Q: What is the output type?
- A: The output is 3-State, meaning it can be high, low, or high-impedance, controlled by the output enable pin.
- Q: What is the operating voltage range?
- A: It operates from 3V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: What package is available?
- A: It comes in a 5-TSSOP, SC-70-5, or SOT-353 package, suitable for compact PCB layouts.
CAHCT1G125QDCKRG4Q.pdf
- Q: What is the logic family of the CAHCT1G125QDCKRG4Q?
- A: It belongs to the 74AHCT logic family, offering high-speed CMOS performance with TTL-compatible inputs.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting buffer with a 3-State output, allowing for bus isolation and multiplexing.
- Q: How many channels does it have?
- A: It has one channel, making it ideal for signal buffering in space-constrained designs.
- Q: What is the output type?
- A: The output is 3-State, meaning it can be high, low, or high-impedance, controlled by the output enable pin.
- Q: What is the operating voltage range?
- A: It operates from 3V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: What package is available?
- A: It comes in a 5-TSSOP, SC-70-5, or SOT-353 package, suitable for compact PCB layouts.
