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Product Detailed Parameters
- Description：IC GATE OR 1CH 2-INP SC70-5
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：OR Gate
- Number of Circuits：1
- Number of Inputs：2
- Features：-
- Voltage - Supply：2V ~ 5.5V
- Current - Quiescent (Max)：1 µA
- Current - Output High, Low：8mA, 8mA
- Input Logic Level - Low：0.5V ~ 1.65V
- Input Logic Level - High：1.5V ~ 3.85V
- Max Propagation Delay @ V, Max CL：7.5ns @ 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：Automotive
- Qualification：AEC-Q100
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Overview
The SN74AHC1G32QDCKRQ1 is an automotive-grade single 2-input positive-OR gate from Texas Instruments. It operates within a supply voltage range of 2V to 5.5V and supports temperatures from -40°C to +125°C. The device features a maximum propagation delay of 6.5ns at 5V, ±8mA output drive capability, and low power consumption with a maximum ICC of 10μA. It includes latch-up performance exceeding 250mA per JESD 17 and is qualified under AEC-Q100 standards.
Feature Summary
- Qualified for automotive applications with extended temperature support
- Performs Boolean OR logic function Y = A + B
- Balanced CMOS push-pull outputs for efficient signal driving
Applications
- Enable or disable digital signals
- Controlling indicator LEDs
- Combining multiple overheat signals into a single active-high enable signal
Procurement Notes
Verify the specific package variant (SC-70-5) against project requirements. Confirm that the Q1 suffix aligns with automotive qualification needs. Ensure input pins are terminated to prevent floating states during operation. Validate thermal management strategies if operating near maximum ratings.
Selection Notes
Select this component when a single-channel OR gate is required for automotive systems. It is suitable for designs needing wide voltage compatibility between 2V and 5.5V. Consider its small footprint for space-constrained PCB layouts. Ensure system inputs transition quickly to avoid excessive power consumption.
Part Context
This part belongs to the SN74AHC1G32-Q1 family of automotive logic gates. It provides a standard OR function in a compact SC-70-5 package. The series is designed for high-speed digital applications requiring robust ESD protection and reliable performance in harsh environments.
Replacement Considerations
SN74AHC1G32QDBVRQ1
FAQ
What is the Boolean function performed by this device?
The device performs the Boolean function Y = A + B in positive logic.
How should unused inputs be handled?
All unused inputs must be connected to VCC or GND to prevent undefined operational states and excessive power consumption.
