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Product Detailed Parameters
- Description：AUTOMOTIVE 6-CH 4.5V TO 5.5V INV
- Series：74ACT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：Inverter
- Number of Circuits：6
- Number of Inputs：6
- Features：Schmitt Trigger
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：24mA, 24mA
- Input Logic Level - Low：1.2V ~ 1.4V
- Input Logic Level - High：1.9V ~ 2.1V
- Max Propagation Delay @ V, Max CL：11.5ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-TSSOP
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74ACT14PWRQ1 is a hex Schmitt-trigger inverter from the SNx4ACT14 family, manufactured by Texas Instruments. It operates within a supply voltage range of 4.5V to 5.5V and features TTL-voltage compatible inputs that accept voltages up to 5.5V. The device provides balanced CMOS push-pull outputs with continuous drive capabilities of ±24mA at 5V. Maximum propagation delay is specified at 12.5ns under standard conditions. It is housed in a 14-pin TSSOP package.
Feature Summary
- Schmitt-trigger action enables clean output signals from slow or noisy input ramps
- TTL-voltage compatible inputs allow direct interfacing with legacy logic families
- Balanced CMOS push-pull outputs provide symmetric sourcing and sinking current capabilities
Applications
- Synchronizing inverted clock inputs
- Debouncing mechanical switches
- Inverting digital signals
Procurement Notes
Verify the specific suffix 'Q1' indicates automotive qualification status. Confirm the 'PW' suffix corresponds to the TSSOP-14 package variant. Ensure the datasheet revision matches the required design specifications. Check for any specific handling precautions regarding electrostatic discharge during assembly.
Selection Notes
Select this component when noise immunity is critical due to the Schmitt-trigger input thresholds. It is suitable for applications requiring signal inversion with moderate drive strength. Consider the operating temperature range and package thermal characteristics for PCB layout planning. Verify compatibility with the system's logic voltage levels.
Part Context
This part belongs to the SNx4ACT14 series of hex inverters. It shares functional similarities with other ACT family devices but is distinguished by its Schmitt-trigger inputs. The Q1 suffix denotes an automotive-grade version, while the PW suffix specifies the thin-shrink small-outline package type used in surface-mount applications.
Replacement Considerations
SN74ACT14PWR
FAQ
What is the function of the Schmitt-trigger inputs?
The Schmitt-trigger inputs provide different threshold levels for positive-going and negative-going signals, allowing the device to generate clean, jitter-free outputs even from slow or noisy input ramps.
Can the inputs tolerate voltages higher than VCC?
Yes, the inputs are tolerant to 5.5V at any valid VCC, making them suitable for translating down voltage levels.
