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Product Detailed Parameters
- Description：IC GATE OR 1CH 2-INP SOT5
- Series：74AUC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Logic Type：OR Gate
- Number of Circuits：1
- 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：SOT-5
- Package / Case：SOT-553
- Grade：-
- Qualification：-
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Overview
The SN74AUC1G32DRLR is a single 2-input positive-OR gate from Texas Instruments, operating within a supply voltage range of 0.8 V to 2.7 V. It features a maximum propagation delay of 2.4 ns at 1.8 V and supports up to ±9 mA output drive current. The device includes Ioff partial-power-down mode for back-drive protection and offers ESD protection exceeding 2000 V via the human-body model. It is housed in a 5-pin SOT-5X3 (NanoFree) package with an operating temperature range of -40°C to 85°C.
Feature Summary
- Operates at sub-1-V supply voltages down to 0.8 V
- Includes Ioff circuitry to prevent damaging back-feed currents during partial power-down
- Provides high electrostatic discharge protection exceeding JESD 22 standards
Applications
- Portable audio devices such as MP3 players and recorders
- Solid-state drives for client and enterprise storage
- Wireless peripherals including headsets, keyboards, and mice
Procurement Notes
Verify the specific ordering suffix against the manufacturer's latest Package Option Addendum to confirm material type, lead finish, and moisture sensitivity level. Ensure the procurement channel sources parts directly from authorized distributors to guarantee authenticity and traceability. Confirm that the delivered components match the specified SOT-5X3 package dimensions and pin configuration before integration into production assemblies.
Selection Notes
Select this component for designs requiring low-voltage operation below 1.8 V or mixed-mode signal interfacing with 3.6-V tolerant inputs. The NanoFree package is suitable for applications demanding minimal board space. Consider the Ioff feature if the system requires safe isolation when powered down. Verify that the required output drive current does not exceed the specified limits for the target supply voltage.
Part Context
This device belongs to the SN74AUC1G series of single-gate logic ICs designed for ultra-low voltage applications. The AUC family utilizes advanced CMOS technology to achieve high speed while maintaining low power consumption. The DRLR suffix specifically denotes the SOT-5X3 package variant supplied in large tape-and-reel quantities for automated surface-mount assembly processes.
Replacement Considerations
SN74AUC1G32DBVR
FAQ
How does the Ioff feature function?
The Ioff circuitry disables the outputs when the device is powered down, preventing damaging current backflow through the device.
What is the input voltage tolerance?
The inputs are 3.6-V tolerant, allowing compatibility with higher voltage logic levels even when the device operates at lower supply voltages.
