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The EPSON SG-9101CG-D40SGDAA is a programmable spread spectrum crystal oscillator (XO) with CMOS output, manufactured by Epson. It operates within a frequency range of 670 kHz to 20 MHz and supports a supply voltage of 1.62V to 3.63V. The device features a standby function and utilizes a 4-SMD, no-lead package measuring 2.50mm x 2.00mm x 0.80mm. It is designed for applications requiring electromagnetic interference reduction through downward spread spectrum modulation.
Verify the specific frequency requirement during ordering, as this model is programmed to customer specifications. Confirm that the 4-SMD package dimensions and voltage range align with the target circuit design. Ensure compatibility with the required operating temperature range of -40°C to 85°C for the intended application environment.
Select this component when a fixed-frequency crystal is insufficient for design flexibility. The SG-9101 series is appropriate for designs needing precise frequency customization without maintaining multiple inventory types. Consider the spread spectrum feature if EMI compliance is a critical constraint in the system layout.
This part belongs to the SG-9101CG series of programmable spread spectrum crystal oscillators. It is distinct from standard fixed-frequency oscillators by allowing post-manufacturing frequency configuration. The series is engineered to replace traditional crystals while offering enhanced EMI performance through downward spread spectrum modulation capabilities.
Direct replacement requires matching the 4-SMD footprint and verifying voltage compatibility. Other SG-9101 variants may serve as substitutes if frequency programming services are available. Ensure the replacement maintains the same spread spectrum bandwidth and standby current characteristics.