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Product Detailed Parameters
- Description：IC GATE OR 4CH 2-INP 14SOIC
- Series：74AHC
- 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：2V ~ 5.5V
- Current - Quiescent (Max)：2 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：14-SOIC
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHC32DR is a commercial-grade quadruple 2-input positive-OR gate from the Texas Instruments SNx4AHC32 family. It operates within a supply voltage range of 2V to 5.5V and supports an operating temperature range of -40°C to +125°C. The device provides ±8mA output drive capability at 5V and features low power consumption with a maximum ICC of 10µA. Latch-up performance exceeds 250mA per JESD 17. Propagation delay is typically 5.3ns at 5V with a 50pF load.
Feature Summary
- Contains four independent 2-input OR gates performing Boolean logic Y = A + B
- Features balanced CMOS push-pull outputs for similar sourcing and sinking currents
- Includes standard CMOS inputs requiring termination to prevent undefined states
- Equipped with negative clamping diodes on inputs and dual clamping diodes on outputs
Applications
- Enabling or disabling digital signals
- Controlling indicator LEDs
- Translation between communication modules and system controllers
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current Package Option Addendum, as status changes (e.g., NRND, Obsolete) may affect availability. Confirm that the SOIC-14 package designation matches the required footprint. Ensure compliance with RoHS standards and lead finish specifications such as NIPDAU for surface mount applications.
Selection Notes
Select this component for general-purpose logic applications requiring wide voltage operation from 2V to 5.5V. It is suitable for systems needing high-speed switching with propagation delays under 6ns at 5V. Consider thermal resistance values when designing for high ambient temperatures or dense PCB layouts. Unused inputs must be terminated to VCC or GND to ensure stable operation.
Part Context
This part belongs to the SNx4AHC32 series, which includes military-grade SN54 variants and commercial SN74 variants in multiple packages. The 'DR' suffix specifically denotes the SOIC-14 surface-mount package. Other available packages in the family include SSOP, TSSOP, and VQFN types, offering flexibility for different board space constraints.
Replacement Considerations
SN74AHC32DRG4 is a direct replacement with identical electrical characteristics and pinout. Verify package compatibility if substituting with other series members like SN74HC32DR, noting potential differences in speed and noise immunity.
