Overview
The NE555PSRG4, produced by Texas Instruments, is a highly versatile and widely used integrated circuit (IC) known as the NE555 Precision Timer. This IC is part of the xx555 family and is renowned for its simplicity, reliability, and flexibility in various timing and pulse generation applications. The NE555 is available in several packages, with the 'PSRG4' designation indicating a specific package type (PDIP - Plastic Dual In-Line Package) and other configuration details.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 4.5 | - | 16 | V |
| Input Voltage (CONT, RESET, THRES, TRIG) | - | - | VCC | V |
| Output Current | - | - | ±225 mA | mA |
| THRES Voltage Level (VCC = 15 V) | 9.4 | 10 | 10.6 | V |
| THRES Voltage Level (VCC = 5 V) | 2.7 | 3.3 | 4 | V |
| TRIG Voltage Level (VCC = 15 V) | 1.45 | 1.67 | 1.9 | V |
| TRIG Voltage Level (VCC = 5 V) | 1.1 | 1.67 | 2.2 | V |
| RESET Voltage Level | 0.1 | 0.4 | - | V |
| DISCH Switch Off-State Current | - | - | 100 nA | nA |
| Output-Pulse Rise Time (CL = 15 pF) | 100 | 200 | - | ns |
| Output-Pulse Fall Time (CL = 15 pF) | 100 | 200 | - | ns |
Key Features
- Highly Versatile Timing IC: The NE555 can operate in both monostable and astable modes, making it suitable for a wide range of applications.
- Precision Timing: Offers precise timing intervals with low temperature and supply voltage sensitivity.
- Wide Operating Voltage Range: Can operate with supply voltages from 4.5 V to 16 V.
- High Output Current Capability: Capable of sourcing or sinking up to ±225 mA of current.
- Low Power Consumption: Efficient operation with low power consumption.
- ESD Protection: Requires appropriate handling to prevent damage from electrostatic discharge.
Applications
- Pulse Generation: Used in generating pulses for various electronic circuits.
- Timing Circuits: Ideal for creating timing circuits in monostable and astable configurations.
- Alarm Systems: Can be used in alarm systems and other security devices.
- Automotive Systems: Used in automotive applications for timing and pulse generation.
- Industrial Control Systems: Employed in industrial control systems for timing and sequencing tasks.
Q & A
- What is the NE555PSRG4? The NE555PSRG4 is a precision timer IC produced by Texas Instruments, part of the xx555 family.
- What are the operating voltage ranges for the NE555? The NE555 operates with supply voltages from 4.5 V to 16 V.
- What are the typical applications of the NE555? The NE555 is used in pulse generation, timing circuits, alarm systems, automotive systems, and industrial control systems.
- What is the maximum output current of the NE555? The NE555 can source or sink up to ±225 mA of current.
- How does the NE555 handle electrostatic discharge (ESD)? The NE555 requires careful handling to prevent damage from ESD.
- What are the key features of the NE555? Key features include precision timing, wide operating voltage range, high output current capability, and low power consumption.
- Can the NE555 operate in both monostable and astable modes? Yes, the NE555 can operate in both monostable and astable modes.
- What is the significance of the 'PSRG4' designation? The 'PSRG4' designation indicates a specific package type (PDIP) and other configuration details.
- How sensitive is the NE555 to temperature and supply voltage changes? The NE555 has low temperature and supply voltage sensitivity, ensuring precise timing intervals.
- Where can I find detailed specifications and documentation for the NE555? Detailed specifications and documentation can be found on the Texas Instruments website and in the datasheet provided by TI.
