Product Overview
VF155 50 MHz HCMOS/TTL Full-Size Clock Oscillator - 14-Pin DIP Metal Can, 5V
Condition
Unused NOS. Sourced from legacy electronics supply chains as part of ongoing recovery efforts. Pins are clean with no solder. Evaluation: Visual inspection only. Function testing not performed. Backed by our satisfaction guarantee.
Ships same business day from Idaho. Packed carefully.
Product Overview
Valpey-Fisher VF155 Series HCMOS/TTL full-size crystal clock oscillator. Generates a stable 50.000000 MHz square wave output from a standard 5.0V DC supply. Mounts in a full-size 14-pin DIP footprint — the rectangular metal can form factor used across industrial, networking, and legacy computing hardware.
Key Features
- Frequency: 50.000000 MHz
- Supply Voltage: 5.0V DC
- Output: HCMOS/TTL square wave
- Package: Full-size 14-pin DIP, rectangular metal can
- Pinout: Pin 1 - No Connection/Case Ground, Pin 7 - Ground, Pin 8 - Output Signal, Pin 14 - +5V DC
- Clean leads — no solder, seats properly in socket or PCB
Applications
- Master clock replacement in vintage Unix workstations (Sun, HP, SGI 50 MHz bus systems)
- Timing reference for early Ethernet controllers and high-speed serial interfaces
- Frequency counter calibration and bench reference sources
- Legacy server and networking hardware repair
Frequently Asked Questions
Is this compatible with 3.3V or 1.8V logic systems?
No. The VF155 requires 5.0V DC. It is not compatible with 3.3V or 1.8V systems without a separate voltage regulator. Verify your board's supply voltage before installation.
Is this a full-size or half-size oscillator can?
Full-size — the larger rectangular metal can with a 14-pin DIP footprint. Not the compact square half-size package. Verify against datasheet before use if your application requires a specific physical footprint.
Can this replace a 2-pin passive crystal?
No. This is an active oscillator with its own internal circuitry. It is not a drop-in replacement for a 2-pin passive crystal.
What is the frequency stability?
Not confirmed — verify against the VF155 datasheet before use in precision timing applications.
50.000000 MHz is a standard value widely used in Ethernet and legacy bus hardware, making this a broadly compatible timing source for 5V systems.
