Overview
The NE555DRG4 is a precision timer integrated circuit produced by Texas Instruments. It is part of the 555 timer family, which includes the NE555, NA555, and SA555. This device is widely used for generating accurate time delays or oscillations and is versatile in both monostable and astable modes of operation. The NE555DRG4 is packaged in a SOIC (Small Outline Integrated Circuit) package, making it suitable for a variety of applications where space is a concern.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | - | 16 | V |
| Operating Ambient Temperature | 0 | - | 70 | °C |
| Threshold Voltage Level (VTH) | 2.7 | 3.3 | 4 | V (at VCC = 5V) |
| Trigger Voltage Level (VTRIG) | 1.45 | 1.67 | 1.9 | V (at VCC = 5V) |
| Reset Voltage Level | 0.1 | 0.4 | - | V |
| Output Current (IO) | - | - | ±200 | mA |
| Output Pulse Rise Time | 100 | 200 | - | ns (at CL = 15 pF) |
| Output Pulse Fall Time | 100 | 200 | - | ns (at CL = 15 pF) |
Key Features
- Precision timing circuits capable of producing accurate time delays or oscillations.
- Operates in both monostable and astable modes.
- Timing intervals controlled by external resistor and capacitor networks.
- Adjustable duty cycle in astable mode.
- TTL compatible output can source or sink up to 200mA.
- Totally Lead-Free & Fully RoHS Compliant.
- Supply voltage range from 4.5V to 16V.
Applications
- Pulse width modulation and missing pulse detection.
- Timing and delay circuits in various electronic systems.
- Oscillator circuits for generating clock signals.
- Alarm and timer circuits in consumer electronics.
- Automotive and industrial control systems.
Q & A
- What is the NE555DRG4 used for?
The NE555DRG4 is used for generating accurate time delays or oscillations in electronic circuits.
- What are the operating voltage ranges for the NE555DRG4?
The NE555DRG4 operates with a supply voltage range from 4.5V to 16V.
- What are the typical applications of the NE555DRG4?
Typical applications include pulse width modulation, missing pulse detection, timing and delay circuits, oscillator circuits, and alarm systems.
- Can the NE555DRG4 be used in both monostable and astable modes?
- What is the maximum output current of the NE555DRG4?
The NE555DRG4 can source or sink up to 200mA of output current.
- Is the NE555DRG4 RoHS compliant?
- What is the package type of the NE555DRG4?
The NE555DRG4 is packaged in a SOIC (Small Outline Integrated Circuit) package.
- What are the threshold and trigger voltage levels for the NE555DRG4?
The threshold voltage is typically around 2/3 of VCC, and the trigger voltage is typically around 1/3 of VCC.
- How does the reset input function on the NE555DRG4?
The reset input can override all other inputs and reset the flip-flop, causing the output to go low.
- What is the operating temperature range for the NE555DRG4?
The operating ambient temperature range for the NE555DRG4 is from 0°C to 70°C.
