74VCX16721MTDX

Overview

The 74VCX16721MTDX is a 16-bit bus transceiver manufactured by Fairchild Semiconductor, designed for low-voltage applications. It operates within a supply voltage range of 1.2V to 3.6V and features 3.6V tolerant inputs and outputs, ensuring compatibility with mixed-voltage systems. The device utilizes advanced CMOS technology to achieve high-speed operation while maintaining low power dissipation. Key electrical characteristics include a maximum propagation delay of 3.0 ns at 3.0V to 3.6V VCC and static drive capabilities of ±24 mA at 3.0V VCC. It incorporates patented noise and EMI reduction circuitry and offers latchup performance exceeding JEDEC 78 conditions.

Feature Summary

• Supports low-voltage operation from 1.2V to 3.6V with 3.6V tolerant I/O
• Features patented noise and EMI reduction circuitry for signal integrity
• Provides high-speed data transmission with low propagation delay
• Ensures robust reliability with latchup performance exceeding JEDEC standards

Applications

• Low-voltage memory bus architectures
• Mixed-voltage system interconnects
• High-speed data communication interfaces
• Portable electronic devices requiring power efficiency

Procurement Notes

Verify the manufacturer datasheet for the specific MTDX suffix to confirm tape-and-reel packaging details and ensure compliance with RoHS directives. Confirm that the component meets the required operating temperature range and ESD protection specifications for your target application environment before finalizing procurement.

Selection Notes

Select this component when designing systems requiring 16-bit bidirectional data transfer between logic blocks operating at different voltage levels. It is suitable for applications demanding low power consumption and high-speed performance in space-constrained designs utilizing TSSOP or similar surface-mount packages.

Part Context

This part belongs to the VCX family of low-voltage CMOS logic devices, which are optimized for portable and battery-operated equipment. The VCX series provides high-speed performance comparable to older technologies while significantly reducing power consumption, making it ideal for modern low-voltage digital systems.

Replacement Considerations

Check for direct pin-compatible alternatives such as the 74VCX16721 without the X suffix if reel quantity requirements differ. Verify functional equivalence with other 16-bit bus transceivers from ON Semiconductor or Fairchild that support 1.2V to 3.6V operation and 3.6V tolerance.