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Product Detailed Parameters
- Description：IC GATE OR 4CH 2-INP 14VQFN
- Series：74AUC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Logic Type：OR Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：0.8V ~ 2.7V
- Current - Quiescent (Max)：10 µA
- Current - Output High, Low：9mA, 9mA
- Input Logic Level - Low：0V ~ 0.7V
- Input Logic Level - High：1.7V
- Max Propagation Delay @ V, Max CL：2.1ns @ 2.5V, 30pF
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-VQFN (3.5x3.5)
- Package / Case：14-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The SN74AUC32RGYR is a quad 2-input positive-OR gate from Texas Instruments' AUC logic series, housed in a 14-VQFN package. It operates within a supply voltage range of 800 mV to 2.7 V and supports an output current of ±9 mA. The device features a propagation delay of 2.2 ns and functions reliably between -40°C and +85°C.
Feature Summary
- Optimized for low-voltage operation at 1.8 V with tolerance for 3.6 V I/O interfaces.
- Supports partial-power-down mode via Ioff circuitry to minimize leakage during standby.
- Enables mixed-mode signal processing across different voltage domains.
Applications
- Portable battery-powered consumer electronics
- Mixed-signal digital systems requiring level shifting
- Low-power embedded control circuits
Procurement Notes
Verify the specific revision suffix (e.g., RGYR) against the manufacturer's latest datasheet to ensure compatibility with your PCB footprint and thermal requirements. Confirm RoHS compliance status directly with the supplier documentation before finalizing procurement orders.
Selection Notes
Select this component when designing for ultra-low voltage environments below 3.3 V. Ensure the application requires OR logic functionality rather than AND or NAND variants. Verify that the 14-VQFN package dimensions fit the available board space constraints.
Part Context
This part belongs to the SN74AUC family, which utilizes advanced CMOS technology for high-speed performance at reduced power levels. It serves as a fundamental building block for digital logic design in modern portable devices where energy efficiency is critical.
Replacement Considerations
SN74AUC32RGYRG4 is a verified lead-free variant of the same logical function and pinout. Cross-reference other SN74AUC32 derivatives only if package type and electrical specifications match exactly.
FAQ
Does the SN74AUC32RGYR support 5 V logic levels?
No, the maximum supply voltage is 2.7 V. It is designed for 1.8 V operation with 3.6 V tolerant inputs.
What is the purpose of the Ioff feature?
Ioff allows outputs to be placed in a high-impedance state when the device is powered down, preventing backfeeding into the system.
