Fairchild VCX Family Introduction Data Handbook
Summary
This family of logic devices is a highly optimized, low-voltage solution that offers industry-leading performance at 2.5V while maintaining fast 3.3V CMOS capabilities. The manual details VCX's broad operational range (1.65V–3.6V) and robust features, including very low static power consumption and balanced output drive capacity down to 50Ω. It is ideal for engineers designing high-speed on-board buffering applications requiring stable functionality across mixed voltage systems.
Page 1 Text Content
am ily In tro ctio
February 1998 Revised April 1999
VCX Family Introduction
VCX is the industry’s first low voltage logic family optimized for 2.5V performance. VCX provides the fastest 3.3V CMOS performance and the fastest 2.5V performance available. VCX is specified from 1.65V–3.6V, offering a broad operating range and provides over voltage tolerance to 3.6V for mixed voltage operation. VCX is ideal for high speed on-board buffer- ing applications.
Features Benefits
Highest speed performance High speed for on-board buffering applications. (2.5 ns max delay at 3.3V, 3.2 ns max. delay at 2.5V).
Guaranteed AC and DC specifications Provides lower voltage operation without moving to a new family.
over 1.65V–3.6V VCC supply voltage operation. Very low static and dynamic power. Saves power, extends battery life. Low noise. Low ground bounce, overshoot, undershoot, and EMI. Balanced ±24 m A output drive. Drives transmission lines down to 50Ω. Power up/down high impedance inputs and outputs. Facilitates power management and live insertion. 16/18/20-bit functions. Wide bit widths for high speed on-board buffering applications.
© 1999 Fairchild Semiconductor Corporation MS500115.prf www.fairchildsemi.com
Page Summary Contents For Fairchild VCX Family Introduction Data Handbook
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 1 |
| File Size | 7.87 KB |
| Published | June 20, 2026 |
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Frequently Asked Questions
What voltage range is the VCX logic family specified to operate within?
It operates over a broad range of 1.65V to 3.6V, offering overvoltage tolerance up to 3.6V.
How does using the VCX family advantage power efficiency?
VCX offers very low static and dynamic power, helping save energy and extend battery life.
What is the maximum delay performance of this logic in a 2.5V environment?
The max delay at 2.5V is guaranteed at 3.2 ns.
What type of output drive feature does VCX provide for signal lines?
It provides a balanced ±24 mA output drive, suitable for driving transmission lines down to 50Ω.