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Product Detailed Parameters
- Description：IC INVERT SCHMITT 1CH 1IN SC70-5
- Series：74AHC
- 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：2V ~ 5.5V
- Current - Quiescent (Max)：1 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.9V ~ 1.65V
- Input Logic Level - High：2.2V ~ 3.85V
- Max Propagation Delay @ V, Max CL：10.6ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 125°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 SN74AHC1G14DCKRE4 is a single Schmitt-trigger inverter from the Texas Instruments AHC series. It operates within a supply voltage range of 2V to 5.5V and features over-voltage tolerant inputs. The device provides balanced push-pull outputs with a maximum output current of 8mA. Key electrical parameters include a maximum static current of 1µA and a maximum propagation delay of 10.6ns at 5V with a 50pF load. It is housed in a 5-SC70 (SOT-353) surface-mount package and supports an operating temperature range of -40°C to 125°C.
Feature Summary
- Schmitt-trigger input action eliminates noise-induced false triggering on slow-rising signals
- Over-voltage tolerant inputs allow safe interfacing with higher voltage logic levels
- Balanced push-pull outputs ensure consistent rise and fall times for signal integrity
Applications
- Signal conditioning for noisy digital environments
- Pulse width modulation (PWM) signal generation
- Oscillator circuits requiring precise threshold control
Procurement Notes
Verify the specific ordering suffix RE4 to confirm tape-and-reel packaging configuration. Ensure compatibility with SC-70-5 footprint requirements during PCB layout. Confirm RoHS3 compliance status if required by project specifications. Cross-reference the full part number against manufacturer databases to validate current production status and availability constraints.
Selection Notes
Select this component when noise immunity is critical for single-channel inversion tasks. The AHC technology offers superior speed compared to standard HC series while maintaining low power consumption. Verify that the 2V minimum supply voltage aligns with system power rails. Consider the 8mA drive strength sufficient for the intended capacitive load conditions.
Part Context
This device belongs to the SN74AHC1Gxx family of single-gate logic ICs. It shares the SC-70-5 package form factor with other variants like the SN74LVC1G14, though electrical characteristics differ. The AHC series bridges the performance gap between legacy HC and modern LVC technologies, offering high-speed operation with CMOS-compatible input thresholds.
Replacement Considerations
SN74AHC1G14DCKR serves as a direct functional equivalent with identical electrical specifications. Alternative packages such as DBV or DCT may be considered if pinout compatibility allows. Verify that substitute devices maintain the same Schmitt-trigger hysteresis characteristics and over-voltage tolerance limits.
