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Product Detailed Parameters
- Description：IC INVERTER 6CH 1-INP 14TSSOP
- Series：74AHCT
- 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：8mA, 8mA
- Input Logic Level - Low：0.5V ~ 0.6V
- Input Logic Level - High：1.9V ~ 2.1V
- Max Propagation Delay @ V, Max CL：8ns @ 5V, 50pF
- Operating Temperature：-55°C ~ 125°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 SN74AHCT14MPWREP is an automotive-grade hex Schmitt-trigger inverter from Texas Instruments, designed for high-reliability applications. It operates within a supply voltage range of 4.5 V to 5.5 V and features six independent inverters with Schmitt-trigger inputs to ensure clean signal transitions. The device utilizes the AHCT logic series, providing TTL-compatible input levels while delivering CMOS output characteristics. Packaged in a 14-pin TSSOP format, it supports surface-mount installation and functions reliably across an extended temperature range of -55°C to +125°C.
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards for enhanced reliability
- Schmitt-trigger inputs provide noise filtering and hysteresis for stable switching
- TTL-compatible input thresholds simplify interface design with legacy logic systems
- Extended industrial temperature rating ensures operation in harsh environments
Applications
- Automotive electronic control units requiring robust signal inversion
- Microcontroller input conditioning for noisy digital signals
- Pulse width modulation signal shaping in power management circuits
- Clock signal regeneration in automotive communication buses
Procurement Notes
Verify that the specific ordering suffix matches the required package type and tape-and-reel specifications. Confirm AEC-Q100 qualification status if automotive compliance is mandatory for the target application. Check for RoHS compliance documentation to ensure adherence to environmental regulations. Validate pinout compatibility during PCB layout integration to prevent soldering defects.
Selection Notes
Select this component when TTL-level interfacing is required alongside CMOS output drive capabilities. The AHCT family offers faster propagation delays compared to standard HCT devices. Ensure the design accommodates the 8 mA output current capability for driving moderate loads. Consider the TSSOP package dimensions for thermal management and board space constraints.
Part Context
This part belongs to the SNx4AHCT14 family of hex Schmitt-trigger inverters. It shares functional similarities with non-automotive variants but includes rigorous testing for automotive durability. The MPWREP suffix indicates a specific military or enhanced product revision often associated with extended reliability screening. It complements other logic families like SN74AHC14 for designs requiring mixed technology interfaces.
Replacement Considerations
Direct substitutes include SN74AHCT14DR or SN74AHCT14PWR for general-purpose applications. For automotive-specific replacements, consider SN74AHCT14QPWRG4Q1. Verify that alternative packages maintain compatible pinouts and electrical characteristics before substitution.
