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Product Detailed Parameters
- Description：IC INVERT SCHMIT 6CH 1IN 14TSSOP
- Series：74ACT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：Inverter
- Number of Circuits：6
- Number of Inputs：1
- Features：Schmitt Trigger
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：24mA, 24mA
- Input Logic Level - Low：0.5V ~ 1.4V
- Input Logic Level - High：1.2V ~ 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：-
- Qualification：-
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Overview
The SN74ACT14PWR is a hex Schmitt-trigger inverter from the Texas Instruments SN74ACT series. It features TTL-compatible inputs and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides continuous output drive currents of ±24 mA at 5 V, with short-term capabilities up to ±75 mA. It utilizes a TSSOP-14 surface-mount package and supports propagation delays as low as 9.5 ns. The component is rated for industrial temperatures ranging from -40°C to +85°C.
Feature Summary
- TTL-compatible Schmitt trigger inputs effectively support slow and noisy signal transitions
- High current drive capability enables direct driving of 50Ω transmission lines
- Robust output stage supports continuous ±24mA and short-term ±75mA loads
Applications
- Digital signal inversion
- Switch debouncing
- Synchronous inverted clock input conditioning
Procurement Notes
Verify the specific suffix 'PWR' corresponds to the TSSOP-14 package and reel packaging configuration. Confirm that the standard SN74ACT14 variant meets the required temperature range (-40°C to +85°C), distinct from the automotive SN74ACT14-Q1 which offers extended ratings. Ensure compatibility with the target PCB footprint and reflow soldering profile for the specified surface-mount package.
Selection Notes
Select this component when noise immunity is critical due to its Schmitt-trigger input characteristics. It is suitable for applications requiring high fan-out or transmission line driving without external buffers. Consider the SN74ACT14-Q1 if automotive qualification (AEC-Q100) and extended temperature ranges are mandatory. Verify that the 4.5V minimum supply voltage aligns with the system power architecture.
Part Context
This part belongs to the SN74ACT logic family, combining AC speed with ACT CMOS power consumption. It serves as a fundamental building block for digital logic circuits requiring signal conditioning. The hex configuration allows for multiple independent inversion stages within a single compact package, optimizing board space compared to discrete solutions.
Replacement Considerations
Direct pin-compatible alternatives include other manufacturers' 74ACT14 equivalents in TSSOP-14 packages. For automotive requirements, consider the SN74ACT14-Q1. Verify that any substitute maintains the same Schmitt trigger hysteresis specifications and output drive current capabilities.
