12.94487

Overview

The Geyer Electronic America, Inc. model 12.94487 is a ceramic surface-mount oscillator featuring a four-pad configuration. It operates at a frequency of 70.56 MHz with CMOS and TTL output types. The device supports a supply voltage of 3.3V and includes tri-state functionality for output enable control. Frequency stability is rated at ±50ppm, and the component functions within an operating temperature range of -20°C to 70°C.

Feature Summary

• Surface-mount ceramic construction with four pads
• Tri-state output enable capability
• Compatible with CMOS and TTL logic families

Applications

• Digital clock signal generation
• Microprocessor system timing
• Communication interface synchronization

Procurement Notes

Verify the manufacturer part number 12.94487 against official Geyer Electronic America, Inc. documentation to ensure authenticity. Confirm that the received components match the specified 3.3V supply voltage and 70.56 MHz frequency requirements. Check for physical damage to the four-pad surface-mount contacts before integration into circuit designs.

Selection Notes

Select this oscillator when a stable 70.56 MHz reference is required for CMOS or TTL circuits. The tri-state feature allows for power management by disabling outputs when not in use. Ensure the application environment stays within the -20°C to 70°C operational range to maintain the specified ±50ppm frequency stability.

Part Context

This component belongs to the family of ceramic surface-mount oscillators manufactured by Geyer Electronic America, Inc. These devices are designed to replace discrete crystal and resonator assemblies with integrated solutions. The four-pad SMD package facilitates automated assembly processes while providing robust mechanical stability for electronic systems.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.