Description
Functionality: The primary function of the NE555 is to generate accurate time delays or oscillations. It is capable of producing square waves, pulse waves, and other timing-related signals.
Operating Modes:
The NE555 operates in three main modes: astable, monostable, and bistable.
Astable Mode: Produces a continuous square wave output.
Monostable Mode: Generates a single pulse in response to an external trigger.
Bistable Mode: Acts as a flip-flop, maintaining one of two output states.
Pin Configuration:
- The NE555 typically comes in an 8-pin dual in-line package (DIP).
- The pins are labeled as follows:
- Pin 1: GND (Ground)
- Pin 2: TRIG (Trigger)
- Pin 3: OUT (Output)
- Pin 4: RESET
- Pin 5: CTRL (Control Voltage)
- Pin 6: THRS (Threshold)
- Pin 7: DISCH (Discharge)
- Pin 8: VCC (Positive Supply Voltage)
Features
- Timing from microseconds to hours
- A stable or monostable operation
- Adjustable duty cycle
- TTL-compatible output can source or sink up to 200 mA
- “Green” Molding Compound (No Br, Sb)
- Lead-Free Finish/ RoHS Compliant
Technical Details
- Minimum Supply Voltage (V): 4.5
- Maximum Supply Voltage (V): 16
- Product Type: Timers Support Products
- Product Series: NE555
- No. of Timers/Counters: 1
- Operating Temperature Range (°C) : 0 to 70
- Mounting Type: Through Hole
Applications
- Time Delay Generation
- Pulse Width Modulation
- Pulse generation
- Precision Timing
- Sequential Timing circuits
Physical Attribute
- L x W x H (mm) : 9 x 6 x 7
- Weight (gm) : 2
Useful Links
- Know Your IC: 555 Timers
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