Texas Instruments CAHCT1G125QDCKRQ1

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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
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The CAHCT1G125QDCKRQ1 from Texas Instruments is a single-channel, non-inverting buffer with a 3-State output. Operating from 3V to 5.5V, it delivers 8mA of drive current. This automotive-qualified IC is designed for bus isolation and signal buffering in 3.3V and 5V systems, packaged in a compact SOT-353.

  • Automotive Qualified (Q1): Meets AEC-Q100 standards for reliable operation in automotive environments.
  • TTL-Compatible Inputs: Simplifies interfacing with legacy 5V TTL logic without additional level shifters.
  • 3-State Output: Provides bus isolation and prevents signal contention in shared lines.
  • Wide Temperature Range: Operates from -40°C to 125°C, suitable for harsh conditions.

Automotive Bus Interfacing

Qualified for automotive applications (Q1), this buffer is ideal for interfacing ECUs with sensors and actuators over a 3.3V or 5V bus.

Signal Buffering in Industrial Controls

Use it to buffer control signals from PLCs to drivers, ensuring clean signal transmission in noisy industrial environments.

Level Shifting for TTL Logic

The 74AHCT family's TTL-compatible inputs allow direct interfacing with legacy 5V TTL logic while operating from a 3.3V supply.

3-State Bus Isolation

The 3-State output enables disconnecting a device from a shared bus, preventing data corruption in multi-master systems.

Driving LED Indicators

With 8mA output current, it can directly drive low-current LEDs with a series resistor, simplifying indicator circuits.

Memory Address Buffering

Buffer address lines to memory devices, reducing capacitive load on the memory controller and improving signal integrity.

Q: What is the logic family of the CAHCT1G125QDCKRQ1?
A: It is part of the 74AHCT family, known for high-speed CMOS 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.
Q: How many channels does it have?
A: It has 1 channel.
Q: What is the output type?
A: The output is 3-State, enabling high-impedance states for bus applications.
Q: What is the operating voltage range?
A: It operates from 3V to 5.5V, ideal for 3.3V and 5V systems.
Q: What package is available?
A: It comes in a 5-TSSOP, SC-70-5, or SOT-353 package.
Base Product Number : CAHCT1G125
3V-5.5V 74AHCT Automotive Buffer Bus Isolation Industrial Logic IC SOT-353 TTL
Q: What is the logic family of the CAHCT1G125QDCKRQ1?
A: It is part of the 74AHCT family, known for high-speed CMOS 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.
Q: How many channels does it have?
A: It has 1 channel.
Q: What is the output type?
A: The output is 3-State, enabling high-impedance states for bus applications.
Q: What is the operating voltage range?
A: It operates from 3V to 5.5V, ideal for 3.3V and 5V systems.
Q: What package is available?
A: It comes in a 5-TSSOP, SC-70-5, or SOT-353 package.