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74ACT02MTR
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Product Detailed Parameters
- Description：IC GATE NOR 4CH 2-INP 14SO
- Series：74ACT
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Logic Type：NOR Gate
- Number of Circuits：4
- Number of Inputs：2
- Features：-
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Max)：2 µA
- Current - Output High, Low：24mA, 24mA
- Input Logic Level - Low：0.8V
- Input Logic Level - High：2V
- Max Propagation Delay @ V, Max CL：8ns @ 5V, 50pF
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-SO
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The STMicroelectronics 74ACT02MTR is an obsolete quad 2-input NOR gate in a 14-SOIC surface-mount package. It operates within a supply voltage range of 4.5V to 5.5V and supports a maximum propagation delay of 8ns at 5V with 50pF load. The device provides symmetrical output drive capabilities of 24mA for both high and low states, with a maximum quiescent current of 2µA.
Feature Summary
- Advanced CMOS technology utilizing sub-micron silicon gate and double-layer metal wiring for high-speed operation.
- Integrated buffer output circuitry designed to ensure stable outputs and high noise immunity.
- Built-in protection circuits on all inputs and outputs providing static discharge immunity.
Applications
- Direct interfacing between High Speed CMOS systems and TTL or NMOS logic families.
- Driving transmission lines with impedances as low as 50 ohms.
- General-purpose digital logic processing requiring balanced propagation delays.
Procurement Notes
This component is officially classified as obsolete by the manufacturer. Verify availability through authorized distributors for surplus stock only. Confirm that replacement parts maintain pin and function compatibility with existing designs. Review datasheet specifications carefully to ensure performance requirements are met by alternative sources.
Selection Notes
Select this part for applications requiring standard NOR logic functions in a compact surface-mount form factor. Ensure the design environment accommodates the specified operating temperature range and supply voltage constraints. Consider the symmetrical output impedance when designing output stages for signal integrity.
Part Context
The 74ACT02 belongs to the 74ACT series of advanced high-speed CMOS logic devices. This specific model represents the quad 2-input NOR gate variant. It is functionally compatible with the legacy 74 Series 02 while offering improved latch-up immunity and faster switching speeds characteristic of the ACT family.
Replacement Considerations
Verify pinout compatibility with direct substitutes such as the CD74ACT02M96 from Texas Instruments or MC74ACT02DG from onsemi. Ensure electrical characteristics like propagation delay and output drive strength meet system requirements when transitioning to these alternatives.
