74LCX16646MTDX

Overview

The onsemi 74LCX16646MTDX is a 16-bit bus transceiver and register utilizing advanced CMOS technology. It operates within a supply voltage range of 2.0 V to 3.6 V, ensuring compatibility with low-voltage logic systems. The device features three-state outputs and accepts LVTTL input levels while providing LVTTL output levels. Packaged in a 56-TSSOP format, it supports surface-mount installation and functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates 16-bit data storage capability alongside bidirectional bus transmission functionality.
• Provides high-drive three-state outputs for efficient signal buffering and isolation.
• Ensures electrical compatibility between LVTTL input sources and LVTTL output loads.

Applications

• High-density memory interface circuits requiring 16-bit data width
• Portable consumer electronics powered by single low-voltage supplies
• Industrial control systems operating in wide ambient temperature ranges

Procurement Notes

Verify the specific suffix MTDX against official datasheets to confirm package dimensions and tape-and-reel specifications. Confirm RoHS compliance status through manufacturer documentation prior to integration. Ensure design margins account for the specified 2.0 V to 3.6 V operating range to maintain signal integrity under varying supply conditions.

Selection Notes

Select this component when a combined transceiver and register solution is required for 16-bit data paths. The LVTTL-to-LVTTL level matching simplifies interface design without external translation components. The TSSOP-56 package offers a compact footprint suitable for space-constrained printed circuit board layouts compared to larger leaded packages.

Part Context

This part belongs to the 74LCX family of low-voltage CMOS logic devices from onsemi. The LCX series is engineered for high-speed operation with reduced power consumption, making it suitable for modern digital applications. The 74LCX16646 variant specifically addresses the need for registered data latching within bidirectional communication buses.

FAQ

What is the input voltage threshold level for the 74LCX16646MTDX?

The device accepts LVTTL input levels, ensuring compatibility with standard low-voltage TTL logic families.

Does the 74LCX16646MTDX include internal data storage?

Yes, the component integrates a 16-bit register that captures data upon clock activation, functioning as both a transceiver and a register.