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Product Detailed Parameters
- Description：IC GATE OR 4CH 2-INP 14SO
- Series：74ALS
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Logic Type：OR Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：-
- Current - Output High, Low：400µA, 8mA
- Input Logic Level - Low：0.4V ~ 0.5V
- Input Logic Level - High：2.5V
- Max Propagation Delay @ V, Max CL：14ns @ 5V, 50pF
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SO
- Package / Case：14-SOIC (0.209", 5.30mm Width)
- Grade：-
- Qualification：-
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Overview
The SN74ALS32NS is a quadruple 2-input positive-OR gate from the Texas Instruments ALS logic family, housed in a 14-pin Small Outline Package (SOP). It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of 0°C to 70°C. The device features a low-level output current capability of 8 mA and a high-level output current of -0.4 mA. Propagation delays are specified with a maximum of 14 ns for tPLH and 12 ns for tPHL under standard load conditions.
Feature Summary
- Contains four independent 2-input OR gates performing Boolean functions Y = A + B
- Utilizes Advanced Low-Power Schottky (ALS) technology for optimized power-speed performance
- Provides push-pull outputs capable of driving moderate loads directly
Applications
- General-purpose digital logic circuits requiring OR functionality
- Signal routing and selection in bus systems
- Data path control and gating in microprocessor-based designs
Procurement Notes
Verify that the ordering suffix 'NS' corresponds to the SOP package variant. Confirm RoHS compliance status as indicated in the packaging addendum. Ensure the specific revision level matches design requirements. Check for any military or extended temperature variants if environmental conditions exceed the catalog specifications.
Selection Notes
Select this component when four independent OR gates are required in a surface-mount configuration. Compare propagation delay and power consumption against LS or AS series alternatives based on system speed and thermal constraints. Verify pin compatibility with existing footprints if replacing legacy through-hole DIP packages.
Part Context
This part belongs to the SN74ALS32 family, which includes ceramic and plastic DIP options alongside the SOIC variant. It is distinct from the SN74AS32, which offers higher drive currents and faster switching speeds but consumes more power. The SN74ALS32 provides a balanced compromise between power efficiency and switching performance for general commercial applications.
Replacement Considerations
SN74ALS32N (PDIP equivalent)
FAQ
What is the Boolean function implemented by the SN74ALS32NS?
The device implements the positive-OR function where the output is high if either input A or input B is high.
Does the SN74ALS32NS support 3-state outputs?
No, the SN74ALS32NS features standard push-pull outputs without tri-state capability.
