AS7C31024B-20TCNTR

Overview

The AS7C31024B-20TCNTR is a 32 Megabit (4M x 8) CMOS synchronous dynamic random access memory (SDRAM) component manufactured by Alliance Memory, Inc. This device operates at a clock frequency of up to 100 MHz and features a single data rate architecture with a 3.3V VCC supply voltage. It utilizes a standard TSOP-II package with 48 pins, designed for high-speed data processing applications requiring low power consumption and fast access times.

Feature Summary

• Supports high-speed synchronous operation with programmable burst lengths
• Features low power consumption modes including self-refresh and deep power-down
• Includes on-chip burst logic and auto-precharge functionality

Applications

• High-performance computing systems
• Network infrastructure equipment
• Consumer electronics requiring fast memory access

Procurement Notes

Verify the specific suffix 'TCNTR' against official datasheets to confirm package type and temperature range. Ensure compatibility with system voltage levels and clock speeds before integration. Check for RoHS compliance status if required by regional regulations.

Selection Notes

Select this component when a 4M x 8 SDRAM configuration is required with 3.3V operation. Consider the 20ns access time for timing constraints. Evaluate pin count and package dimensions against PCB layout requirements.

Part Context

This part belongs to the AS7C series of synchronous DRAMs from Alliance Memory. The series offers various densities and speeds, with the B variant typically indicating specific performance characteristics within the product line.

Replacement Considerations

Check for direct pin-to-pin replacements in the same density class. Verify electrical specifications match exactly, particularly voltage and speed grades. Consult manufacturer cross-reference lists for validated substitutes.