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74ACT02SC
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Product Detailed Parameters
- Description：IC GATE NOR 4CH 2-INP 14SOIC
- Series：74ACT
- Mfr：onsemi
- Package：Tube
- Logic Type：NOR Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：4 µA
- Current - Output High, Low：24mA, 24mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：9.5ns @ 5V, 50pF
- Operating Temperature：-40°C ~ 85°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 onsemi 74ACT02SC is a Quad 2-Input NOR gate logic IC manufactured by Fairchild Semiconductor (now onsemi). It operates within a supply voltage range of 4.5V to 5.5V and features TTL-compatible inputs. The device provides outputs capable of sourcing and sinking 24mA current. Propagation delays are specified at a maximum of 9.5ns for low-to-high transitions and 10.0ns for high-to-low transitions at 5.0V with a 50pF load. It is housed in a 14-Lead Small Outline Integrated Circuit (SOIC) package conforming to JEDEC MS-012 standards.
Feature Summary
- Contains four independent 2-input NOR gates
- Outputs source and sink up to 24mA
- Inputs are compatible with TTL logic levels
Applications
- General digital logic circuits
- Memory modules
- Clock distribution networks
Procurement Notes
Verify the specific manufacturer origin, as this component was originally produced by Fairchild Semiconductor before its acquisition by onsemi. Ensure the datasheet revision matches the required specifications, particularly regarding electrical characteristics and package dimensions. Confirm RoHS compliance status through official documentation provided by the current supplier or manufacturer.
Selection Notes
Select this component when a quad 2-input NOR function is required with TTL-compatible input thresholds. It is suitable for designs operating strictly at 5V logic levels. Consider the SOIC-14 package constraints for PCB layout. Verify that the 24mA output drive capability meets the load requirements of the connected circuitry without exceeding absolute maximum ratings.
Part Context
This part belongs to the 74AC/ACT family of high-speed CMOS logic devices. The 'ACT' designation indicates compatibility with TTL input voltages while maintaining CMOS output characteristics. The 'SC' suffix denotes the 14-lead narrow SOIC package. This series is designed for applications requiring faster switching speeds compared to standard 74LS logic families.
Replacement Considerations
Compatible substitutes include MC74ACT02DR2G and 74ACTQ02SCX from onsemi. These parts share identical logical functions and pinouts but may differ in packaging style or manufacturing lot specifics. Always verify electrical parameters against the original datasheet before implementation.
