ON Semiconductor MC14538BDR2: Dual Precision Retriggerable/Resettable Monostable Multivibrator

The ON Semiconductor MC14538BDR2 is a high-performance, dual monostable multivibrator integrated circuit designed for precision timing applications. This versatile component is retriggerable and resettable, offering reliable timing solutions for a wide range of electronic systems.

Each of the two multivibrators within the MC14538BDR2 is capable of producing accurate time delays or oscillation. In the time delay mode, the time is precisely controlled by one external resistor and one capacitor. For astable operation, the frequency and duty cycle can be independently controlled with two external resistors and one capacitor.

Key Features:

• Supply Voltage Range: The MC14538BDR2 operates over a broad supply voltage range from 3 V to 15 V, making it suitable for various applications, including those that require battery operation.
• Output Current: It can source or sink up to 100 mA, allowing direct driving of a wide array of output devices.
• Temperature Stability: The timing elements exhibit excellent temperature stability, with a variation of 0.005% per °C.
• Retriggerable/Resettable Functionality: The device provides options for retriggering or resetting the timing cycle, giving designers flexibility in handling timing sequences.
• Lead-Free and RoHS Compliant: The MC14538BDR2 is available in a lead-free, 16-pin SOIC package, ensuring compliance with current environmental regulations.

Applications:

• Precision timing
• Pulse shaping
• Sequential timing
• Time delay generation
• Pulse width modulation (PWM)
• Missing pulse detector

The MC14538BDR2 from ON Semiconductor is an essential component for designers looking for a reliable and flexible solution to implement precise timing functions in their circuits. Whether used in consumer electronics, industrial control systems, or communication devices, this dual monostable multivibrator offers a combination of performance and ease of use that can meet the demands of a broad spectrum of timing applications.