Texas Instruments 555 Single Precision Timer DIP8

The Texas Instruments 555 Single Precision Timer is a highly stable integrated circuit designed for generating accurate time delays or oscillations. Capable of operating in both monostable and astable modes, this versatile timer offers exceptional flexibility for a wide range of electronic applications.

In the monostable (time-delay) operating mode, the timed interval is precisely controlled by a single external resistor and capacitor network. When operating in the astable mode, the frequency and duty cycle can be independently adjusted using two external resistors and a single external capacitor. The timer features a trigger level equal to approximately one-third of the supply voltage and a threshold level equal to approximately two-thirds of the supply voltage, ensuring consistent and reliable performance.

Key Features

• Timing capabilities ranging from microseconds to hours
• Astable or monostable operation flexibility
• Adjustable duty cycle to suit various circuit requirements
• TTL-compatible output capable of sinking or sourcing up to 200mA
• Maximum supply voltage of 16V (minimum 4.5V)
• Operating free-air temperature range from 0°C to 70°C
• Typical supply current of 10mA at output low, no load (VCC = 15V)
• Temperature coefficient of timing interval typically 50ppm/°C (monostable, TA=MIN to MAX)
• Supply-voltage sensitivity of timing interval typically 0.1%/V (monostable)
• 8-pin PDIP package for easy through-hole mounting
• Maximum frequency of 100kHz

Designed for robust performance, this precision timer operates reliably within a standard industrial temperature range, making it suitable for demanding environments and general electronic design.