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Product Detailed Parameters
- Description：IC OSC SINGLE TIMER 8-SOP
- Series：-
- Package：Tape & Reel (TR)
- Mfr：onsemi
- Type：555 Type, Timer/Oscillator (Single)
- Count：-
- Frequency：-
- Voltage - Supply：4.5V ~ 16V
- Operating Temperature：0°C ~ 70°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Mounting Type：Surface Mount
- Current - Supply：7.5 mA
- Grade：-
- Qualification：-
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Overview
The NE555DX is a single timer integrated circuit manufactured by onsemi, housed in an 8-SOIC surface-mount package. It functions as a precision timing device capable of operating in astable or monostable modes. The component supports a supply voltage range of 4.5V to 16V and features a maximum operating frequency of 500 kHz. It provides a sink/source output current of 200 mA, allowing direct drive of loads such as relays, lamps, and speakers without additional buffering.
Feature Summary
- Single timer IC in 8-SOIC package
- Supply voltage range: 4.5V to 16V
- Maximum frequency: 500 kHz
- Output current capability: 200 mA
Applications
- Timing pulses generation
- Time delay circuits
- Pulse width modulation (PWM)
- Logic clock sources
Procurement Notes
Verify the specific manufacturer marking and date code against the onsemi datasheet for the NE555DX part number. Confirm that the SOIC-8 package dimensions match the official mechanical drawing. Ensure the component meets RoHS compliance requirements if specified for the target assembly process.
Selection Notes
Select the NE555DX when a surface-mount solution is required for standard 555 timer applications. Compare the thermal performance of the SOIC package against DIP alternatives like the NE555N if through-hole mounting is preferred. Verify that the 200 mA output current meets the load requirements of the specific application design.
Part Context
The NE555 series is a widely used family of precision timers. The 'D' suffix typically denotes the SOIC package variant, while 'X' may indicate specific tape-and-reel packaging or regional distribution codes defined by onsemi. This part is a direct pin-compatible replacement for other manufacturers' NE555 variants in surface-mount designs.
Replacement Considerations
Compatible substitutes include the STMicroelectronics NE555DT and Texas Instruments NE555DR. These parts share identical pinouts and electrical specifications but may differ in package tolerances or manufacturing origin. Verify compatibility with existing PCB footprints before substitution.
