Texas Instruments CAHCT1G125WDTXRQ1
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.25 | $0.25 |
| 15+ | $0.24 | $3.60 |
| 25+ | $0.23 | $5.75 |
| 50+ | $0.22 | $11.00 |
| 100+ | $0.20 | $20.00 |
| N+ | $0.04 | 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-XDFN Exposed Pad |
| Supplier Device Package | 5-X2SON (1.1x0.85) |
| ROHS |
The CAHCT1G125WDTXRQ1 from Texas Instruments is a single-channel, non-inverting buffer with a 3-state output. It operates over a supply voltage range of 3V to 5.5V, making it compatible with both 3.3V and 5V systems. The device can source and sink 8mA of current, providing adequate drive for standard logic loads. The 3-state output allows for bus multiplexing and isolation. Housed in a compact 5-XDFN package with an exposed pad for thermal management, it is suitable for space-constrained automotive and industrial applications. With an operating temperature range of -40°C to 125°C, it meets the stringent requirements of automotive electronics.
- 3-State Output: Enables bus sharing and prevents signal contention in multi-device systems.
- Automotive Qualified (Q1): AEC-Q100 certified for reliable operation in vehicles.
- Wide Supply Range (3V to 5.5V): Compatible with both 3.3V and 5V logic systems.
- Exposed Pad Package: Improves thermal dissipation for reliable operation at high temperatures.
Bus Interfacing with 3-State Control
The CAHCT1G125WDTXRQ1 is perfect for bus-oriented systems where multiple devices share a common data line. The 3-state output allows the buffer to be disabled (high-impedance) when not in use, preventing bus contention.
Level Shifting from 5V to 3.3V
With a 5V supply, this buffer can accept 5V logic inputs and drive 3.3V loads when the output is pulled up appropriately. The 74AHCT family is specifically designed for TTL-compatible inputs, making it ideal for interfacing legacy 5V systems with modern 3.3V microcontrollers.
Automotive ECU Signal Conditioning
The -Q1 suffix indicates AEC-Q100 automotive qualification. This buffer can condition signals from sensors, switches, and other ECUs in automotive environments, operating reliably from -40°C to 125°C.
Industrial Control Systems
In PLCs and industrial controllers, this buffer provides robust signal isolation and drive. The 3-state output enables multiplexing of multiple sensor inputs to a single ADC or microcontroller pin.
Memory Address/Data Buffering
For SRAM or peripheral interfacing, the 3-state output allows the buffer to be disconnected from the bus during read/write cycles, preventing data corruption.
Power Supply Sequencing
In systems with multiple power rails, this buffer can be used to isolate logic signals during power-up and power-down sequences, preventing glitches and latch-up.
- Q: What is the logic family of the CAHCT1G125WDTXRQ1?
- A: It belongs to the 74AHCT logic family from Texas Instruments.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting buffer with 3-state output.
- Q: How many channels does it have?
- A: It has 1 channel.
- Q: What is the output type?
- A: The output is 3-State, allowing for high-impedance output.
- Q: What is the operating voltage range?
- A: It operates from 3V to 5.5V.
- Q: What package is available?
- A: It comes in a 5-XDFN package with exposed pad.
- Q: What is the logic family of the CAHCT1G125WDTXRQ1?
- A: It belongs to the 74AHCT logic family from Texas Instruments.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting buffer with 3-state output.
- Q: How many channels does it have?
- A: It has 1 channel.
- Q: What is the output type?
- A: The output is 3-State, allowing for high-impedance output.
- Q: What is the operating voltage range?
- A: It operates from 3V to 5.5V.
- Q: What package is available?
- A: It comes in a 5-XDFN package with exposed pad.

CAHCT1G125WDTXRQ1.pdf