Product Overview
The VXA4-1115-4M194304 is a 4.194304MHz crystal oscillator from Vectron’s VXA4 series. This specific frequency (2^22 Hz) is the standard reference for real-time clock (RTC) circuits, providing an exact 1Hz output when divided by 2^22, making it the canonical RTC oscillator frequency.
Key Specifications
| Frequency | 4.194304MHz (2^22 Hz) |
| Output Type | CMOS |
| Frequency Stability | ±25ppm to ±50ppm (typical) |
| Supply Voltage | 5V or 3.3V (series dependent) |
| Package | 5×3.2mm SMD (typical VXA4) |
| Operating Temperature | -40°C to +85°C |
| Manufacturer | Vectron / Rakon |
Features
- Standard RTC reference frequency (2^22 Hz)
- Divides to exact 1Hz for timekeeping
- CMOS output with low jitter
- High frequency stability for accurate timekeeping
Applications
- Real-time clock (RTC) reference
- Timekeeping and calendar circuits
- Watchdog timer precision reference
- Interval and duration measurement
- Industrial timing and scheduling