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Product Detailed Parameters
- Description：IC INVERT SCHMITT 1CH 1IN SC70-5
- Series：74AUC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Logic Type：Inverter
- Number of Circuits：1
- Number of Inputs：1
- Features：Schmitt Trigger
- Voltage - Supply：0.8V ~ 2.7V
- Current - Quiescent (Max)：10 µA
- Current - Output High, Low：9mA, 9mA
- Input Logic Level - Low：0.22V ~ 0.58V
- Input Logic Level - High：0.5V ~ 1.56V
- Max Propagation Delay @ V, Max CL：2.5ns @ 2.5V, 30pF
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Supplier Device Package：SC-70-5
- Package / Case：5-TSSOP, SC-70-5, SOT-353
- Grade：-
- Qualification：-
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Overview
The SN74AUC1G14DCKRE4 is a single Schmitt-trigger inverter from the Texas Instruments AUC logic family, housed in a 5-pin SC-70 package. It operates within a supply voltage range of 0.8 V to 2.7 V and features inputs tolerant up to 3.6 V for mixed-mode applications. The device provides a maximum propagation delay of 2.5 ns at 1.8 V with a load capacitance of 30 pF. It supports partial-power-down mode via Ioff circuitry and includes ESD protection exceeding 2000 V (HBM) and 1000 V (CDM).
Feature Summary
- Schmitt-trigger action provides distinct positive-going and negative-going input threshold levels.
- Ioff circuitry disables outputs to prevent damaging current backflow during partial-power-down.
- ESD protection exceeds JESD 78 Class II latch-up performance standards.
Applications
- AV Receiver
- Portable Audio Dock
- Solid State Drive (SSD)
- Wireless Headset
Procurement Notes
Verify that the 'E4' suffix corresponds to lead-free specifications as defined by Texas Instruments. Confirm the SC-70 package designation matches the required PCB footprint. Ensure the component status is active before finalizing procurement plans.
Selection Notes
Select this component when sub-1-V operation or mixed-mode signal interfacing is required. The Schmitt-trigger input is necessary for noisy environments requiring hysteresis. Verify that the 3.6-V I/O tolerance meets the system's interface voltage requirements.
Part Context
This part belongs to the SN74AUC1G14 series of single Schmitt-trigger inverters. It utilizes Texas Instruments NanoFree technology concepts and is designed specifically for optimized 1.8-V operation while supporting broader low-voltage ranges.
Replacement Considerations
SN74AUC1G14DCKR is an equivalent production version within the same series.
FAQ
What is the function of the Ioff circuitry?
It disables the outputs to prevent damaging current backflow through the device when it is powered down.
How does the Schmitt trigger affect input thresholds?
It creates different input threshold levels for positive-going signals compared to negative-going signals.
