TMS55166-70DGH

Memory IC Overview

The TMS55166-70DGH is a 262,144 by 16-bit multiport video RAM manufactured by Texas Instruments. This static random-access memory device features multiple independent ports for simultaneous data access, supporting high-bandwidth video applications. The component operates within a specified temperature range and utilizes a standard industrial package configuration suitable for embedded systems requiring reliable memory storage.

Memory IC Feature Summary

• Multiport architecture enabling concurrent access from multiple masters
• High-density 16-bit word width for efficient video data handling
• Static RAM technology ensuring non-volatile retention during power cycles

Memory IC Applications

• Video buffering in display processing units
• Frame store memory for image processing systems
• Real-time graphics rendering hardware

Memory IC Procurement Notes

Verify the specific suffix DGH against the manufacturer's current datasheet to confirm pinout compatibility and operating voltage specifications. Ensure the source document explicitly lists this part number as active or obsolete to determine availability status. Cross-reference the package outline drawing with your PCB footprint requirements before procurement.

Memory IC Selection Notes

Select this component when designing systems requiring simultaneous read/write operations without bus contention. Evaluate the multiport interface timing parameters against your system clock speeds. Consider the physical package dimensions and thermal characteristics relative to your enclosure constraints and heat dissipation capabilities.

Memory IC Part Context

This part belongs to the TMS5516x series of multiport video RAMs produced by Texas Instruments. These devices are designed for specialized video and graphics applications where high throughput and low latency are critical. The series typically includes variants with different access times and package options to suit various design requirements.

Memory IC Replacement Considerations

Check for direct pin-compatible substitutes such as the TMS55165 or TMS55166 variants with different speed grades. Verify functional equivalence regarding port arbitration logic and memory array organization before substitution.