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Product Detailed Parameters
- Description：IC INVERT SCHMITT 1CH 1IN SC70-5
- Series：74AUP
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：Inverter
- Number of Circuits：1
- Number of Inputs：1
- Features：Schmitt Trigger
- Voltage - Supply：2.3V ~ 3.6V
- Current - Quiescent (Max)：500 nA
- Current - Output High, Low：4mA, 4mA
- Input Logic Level - Low：0.35V ~ 0.5V
- Input Logic Level - High：1.1V ~ 1.19V
- Max Propagation Delay @ V, Max CL：4.4ns @ 3.3V, 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 SN74AUP1T14DCKR is a single-channel Schmitt trigger inverter from the Texas Instruments SN74AUP1G14 family. It operates on a single supply voltage ranging from 1.8 V to 3.6 V and is housed in a compact SC-70-5 surface-mount package. The device features low quiescent current of 500 nA and supports partial power-down via Ioff functionality. It provides robust noise filtering through Schmitt trigger inputs and ensures signal integrity with propagation delays as low as 3.8 ns at 3.3 V.
Feature Summary
- Schmitt trigger input action for effective noise filtering and waveform shaping
- Partial power-down capability allowing safe disconnection during low-power states
- Low static power consumption suitable for battery-operated applications
Applications
- Signal conditioning for noisy digital lines
- Waveform shaping in embedded systems
- Level translation interfaces between different voltage domains
Procurement Notes
Verify the specific suffix DCKR corresponds to the SC-70-5 package and tape-and-reel quantity requirements. Confirm RoHS compliance status and moisture sensitivity level (MSL) ratings prior to integration into manufacturing processes. Ensure compatibility with existing PCB footprint designs.
Selection Notes
Select this component when noise immunity is critical due to its Schmitt trigger characteristics. Consider the SC-70-5 package size constraints and the 1.8 V to 3.6 V operating range. Evaluate the 500 nA quiescent current against total system power budgets for portable devices.
Part Context
This part belongs to the SN74AUP1G series, designed for ultra-low power applications in portable electronics. The AUP logic family offers performance comparable to older technologies while significantly reducing power dissipation. The single-gate configuration allows for flexible circuit design in space-constrained environments.
Replacement Considerations
Direct substitutes include SN74AUP1G14DCKR and SN74AUP1T14DCUR. Verify pinout compatibility and electrical specifications before substitution.
FAQ
What is the function of the Ioff feature?
Ioff allows the outputs to be placed in a high-impedance state when the device is powered down, preventing back-driving of downstream circuits.
Does this device support 5V logic levels?
No, the SN74AUP1T14DCKR operates strictly within a 1.8 V to 3.6 V supply range and is not compatible with 5V logic without additional level shifting.
