1. Overview & Key Features:

️· Type: High-precision 32.768 kHz crystal oscillators.
️· Applications: Suitable for real-time clock (RTC), timers, and other applications requiring accurate timing.
️· High Reliability: Designed for demanding environments, including wide temperature ranges.
️· Options: Available with various package types (SM1, SM3/SM5) and termination options.
️· Enable/Disable: Some versions (E) offer an enable/disable pin for power saving.

2. Electrical Characteristics/Specifications:

️· Supply Voltage: 3.3V ± 10%
️· Frequency: 32.768 kHz (fixed)
️· Calibration Tolerance: ±100 ppm (typical, can be tighter)
️· Frequency Stability:
- ±100 ppm over 25°C to 150°C
- ±150 ppm over 25°C to 175°C
- ±175 ppm over 25°C to 200°C
️· Total Tolerance: ±200 ppm over 25°C to 200°C
️· Supply Current: 500 µA (typical)
️· Output Load: 15 pF
️· Start-up Time: 0.8 ms (typical)
️· Rise/Fall Time: 85 ns / 45 ns

3. Absolute Maximum Ratings:

️· Supply Voltage: -0.3V to 5.0V
️· Storage Temperature: -55°C to 125°C
️· Process Temperature: 260°C (maximum)

4. Package Dimensions & Pinout:

️· Dimensions are provided in the datasheet with values in millimeters and inches.
️· Pin 1: Enable/Disable (E) or No Connection (N)
️· Pin 2: Ground
️· Pin 3: Output
️· Pin 4: VDD

5. Enable/Disable Function:

️· 'E' Version: The oscillator can be enabled or disabled via pin 1. Disabling reduces current consumption.
️· 'N' Version: Pin 1 is not connected, and the oscillator is always on.

6. Ordering Information:

The datasheet provides a detailed explanation of how to construct the part number to specify the desired features and options.

7. Reliability
*Shock Survivability:* 5,000g (std) and 10,000g (HG)
*Vibration Survival:* 20g 10-2,000 Hz swept sine

Key Highlights & Considerations:

️· Accuracy: These oscillators are designed for applications where accurate timing is critical.
️· Temperature Stability: The frequency stability over a wide temperature range is a significant feature.
️· Low Power Consumption: The enable/disable option (on 'E' versions) allows for power saving.
️· Package Options: Different package types (SM1, SM3/SM5) provide flexibility for various PCB layouts.

This summary should provide a good overview of the datasheet's content. For precise details and specific requirements, always refer to the full datasheet.