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Product Detailed Parameters
- Description：IC GATE OR 1CH 2-INP SC74A
- Series：17SZ
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：OR Gate
- Number of Circuits：1
- Number of Inputs：2
- Features：-
- Voltage - Supply：1.65V ~ 5.5V
- Current - Quiescent (Max)：1 µA
- Current - Output High, Low：32mA, 32mA
- Input Logic Level - Low：-
- Input Logic Level - High：-
- Max Propagation Delay @ V, Max CL：4.5ns @ 5V, 50pF
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：SC-74A
- Package / Case：SC-74A, SOT-753
- Grade：-
- Qualification：-
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Overview
The NL17SZ32DBVT1G is a single 2-input OR gate from the NL17SZ series, manufactured by onsemi. It operates within a supply voltage range of 1.65 V to 5.5 V and supports propagation delays as low as 2.4 ns at 5 V. The device features inputs and outputs tolerant to overvoltage up to 5.5 V and includes IOFF for partial power-down protection. It provides source/sink currents of 24 mA at 3.0 V and is housed in an SC-74A (SC-88A) package.
Feature Summary
- Supports partial power-down protection via IOFF functionality
- Inputs and outputs tolerate overvoltage up to 5.5 V
- High drive capability with 24 mA source/sink current at 3.0 V
Applications
- Portable equipment requiring small footprint logic gates
- Consumer electronics utilizing low-voltage logic families
- Automotive applications requiring AEC-Q100 qualified components
Procurement Notes
Verify the specific ordering suffix matches the required package type, as the NL17SZ32 family is available in multiple configurations including SC-88A, SOT-553, and SOT-953. Confirm whether the -Q suffix is necessary for automotive or unique site control requirements. Ensure compatibility with the target PCB footprint for the SC-74A package before finalizing procurement orders.
Selection Notes
Select this component when a compact single 2-input OR gate is needed for low-voltage digital circuits. It is suitable for designs requiring input/output overvoltage tolerance beyond the supply rail. Consider the -Q suffix if the application demands automotive qualification standards. Evaluate the SC-74A package dimensions against board space constraints compared to other available package options.
Part Context
This part belongs to the NL17SZ series of high-speed CMOS logic gates designed for low-voltage operation. The series offers various logic functions in tiny footprint packages, targeting portable and battery-powered devices. The NL17SZ32 specifically implements the OR function, providing a simple logical solution for signal combining in complex digital systems.
Replacement Considerations
Direct substitutes include other NL17SZ32 variants such as NL17SZ32DFT2G (SC-88A), NL17SZ32XV5T2G (SOT-553), and NL17SZ32P5T5G (SOT-953). Cross-family replacements may require verification of pinout compatibility and electrical characteristics.
