AS7C31026B-12JCNTR

Overview

The AS7C31026B-12JCNTR is a 1 Mbit (64 K x 16) asynchronous static random-access memory manufactured by Alliance Memory. It operates within a supply voltage range of 3.0 V to 3.6 V, with a maximum active current consumption of 75 mA. The device features a 12 ns access time and utilizes a parallel interface. It is housed in a 44-pin Small Outline J-Lead package designed for surface-mount technology. The component supports single data rate operations and is rated for commercial temperature ranges from 0°C to +70°C.

Feature Summary

• Asynchronous operation with fast access times for general-purpose memory applications
• Low power consumption characteristics suitable for battery-operated systems
• Single 3.3 V power supply requirement simplifying circuit design
• Surface-mount packaging optimized for automated assembly processes

Applications

• Consumer electronics requiring compact high-speed memory storage
• Industrial control systems needing reliable data retention
• Telecommunications equipment utilizing standard SRAM interfaces

Procurement Notes

Verify the specific suffix JCNTR indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required operating temperature range for your specific application environment. Cross-reference datasheet revisions to guarantee pinout and electrical parameter consistency.

Selection Notes

Select this component when a 64 K by 16 bit organization is required rather than alternative densities like 128 K by 8 bits found in similar series members. Consider the 44-pin SOJ form factor for board space constraints compared to TSOP alternatives. Evaluate the 12 ns speed grade against system clock requirements to ensure adequate timing margins for asynchronous data transfers.

Part Context

This part belongs to the AS7C31026B family of 1 Mbit SRAMs. It shares architectural similarities with other variants differing primarily in access speed, package type, and temperature rating. The JCNTR designation specifically denotes the commercial temperature grade and reel packaging format, distinguishing it from tube-packed or industrial-grade equivalents within the same product line.

Replacement Considerations

Direct substitutes include the AS7C31026B-10JCNTR for faster 10 ns performance or the AS7C31026B-15JCNTR for slower 15 ns options, provided they maintain the same 44-pin SOJ package and 3.3 V operation.