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74ACT02MTCX
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Product Detailed Parameters
- Description：IC GATE NOR 4CH 2-INP 14TSSOP
- Series：74ACT
- Mfr：onsemi
- Package：Tape & Reel (TR)
- 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-TSSOP
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Grade：-
- Qualification：-
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Overview
The onsemi 74ACT02MTCX is a quad 2-input NOR gate logic IC manufactured by Fairchild Semiconductor, distributed by onsemi. It operates within a supply voltage range of 4.5V to 5.5V and features TTL-compatible inputs. The device provides high drive capability with outputs capable of sourcing or sinking 24mA. It is housed in a 14-lead Thin Shrink Small Outline Package (TSSOP) conforming to JEDEC MO-153 standards. Propagation delays are specified at 6.0ns maximum for low-to-high transitions and 9.5ns maximum for high-to-low transitions at 5.0V.
Feature Summary
- Contains four independent 2-input NOR gates
- Features TTL-compatible input thresholds
- Provides high output drive current capability
Applications
- General-purpose digital logic circuits
- Signal processing applications requiring NOR logic functions
- Interface circuits compatible with TTL logic families
Procurement Notes
Verify the manufacturer origin as this component was originally produced by Fairchild Semiconductor before acquisition by onsemi. Confirm the TSSOP-14 package dimensions match your PCB land pattern requirements. Ensure the operating voltage remains strictly within the 4.5V to 5.5V range to maintain specified electrical characteristics and prevent device damage.
Selection Notes
Select this component when TTL-compatible inputs are required alongside AC-speed performance levels. The 74ACT02 offers higher speed than standard HC series devices while maintaining compatibility with older TTL systems. Consider the TSSOP package if space-constrained surface mount assembly is necessary compared to larger SOIC or DIP options.
Part Context
This part belongs to the 74AC/ACT family of high-speed CMOS logic devices. The 'ACT' designation specifically indicates TTL-compatible input voltages, distinguishing it from the standard AC series which requires higher input thresholds. This family bridges the gap between legacy TTL systems and modern CMOS technology, offering improved speed without sacrificing interface compatibility.
Replacement Considerations
Direct pin-compatible substitutes include the 74AC02MTCX, though it lacks TTL-compatible inputs. Other manufacturers producing equivalent quad 2-input NOR gates in TSSOP-14 packages may serve as alternatives, provided their electrical specifications meet the 4.5V-5.5V operating range and drive current requirements.
