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Product Detailed Parameters
- Description：IC GATE OR 4CH 2-INP 14SSOP
- 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-SSOP
- Package / Case：14-SSOP (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74AHC32DBR 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. It utilizes a 14-pin SSOP (DB) package.
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
- Provides latch-up performance exceeding 250mA per JESD 17
Applications
- Enabling or disabling digital signals
- Controlling indicator LEDs
- Translation between communication modules and system controllers
Procurement Notes
Verify the specific ordering suffix 'DBR' corresponds to the SSOP-14 package and tape-and-reel carrier configuration. Confirm that the commercial rating (-40°C to +125°C) meets the environmental requirements, as military variants exist under the SN54 prefix. Ensure ESD precautions are observed during handling due to the sensitivity of CMOS inputs.
Selection Notes
Select this component when a quad 2-input OR function is required in space-constrained designs utilizing surface-mount technology. The wide 2V to 5.5V supply range allows compatibility with various logic families. Consider the input transition rate limits to avoid excessive power consumption or oscillations if driving slow signals.
Part Context
This part belongs to the SNx4AHC32 series of quadruple 2-input positive-OR gates manufactured by Texas Instruments. The 'SN74' designation indicates a commercial temperature rating, while the 'AHC' suffix identifies it as Advanced High-Speed CMOS technology. The 'DBR' suffix specifies the SSOP package type and reel packaging format.
Replacement Considerations
Public confirmed substitutes include SN74AHC32DR (SOIC package), SN74AHC32DGVR (TVSOP package), and SN74AHC32NSR (SOP package). These alternatives share identical electrical characteristics but differ in physical footprint and pinout dimensions.
