7140SA55CB

Description：IC SRAM 8KBIT PARALLEL SB48
Series：-
Mfr：Renesas Electronics Corporation
Package：Tube

SKU:897a75c47ed7 Category: Memory IC Brand: Renesas Electronics Corporation

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Product introduction

Product Detailed Parameters

Description：IC SRAM 8KBIT PARALLEL SB48
Series：-
Mfr：Renesas Electronics Corporation
Package：Tube
Memory Type：Volatile
Memory Format：SRAM
Technology：SRAM - Dual Port, Asynchronous
Memory Size：8Kbit
Memory Organization：1K x 8
Memory Interface：Parallel
Clock Frequency：-
Write Cycle Time - Word, Page：55ns
Voltage - Supply：4.5V ~ 5.5V
Operating Temperature：-55°C ~ 125°C (TA)
Mounting Type：Through Hole
Package / Case：48-DIP (0.600", 15.24mm)
Supplier Device Package：48-SIDE BRAZED
Access Time：55 ns

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7140SA55CB

Overview

The Renesas Electronics Corporation 7140SA55CB is an asynchronous dual-port static random access memory (SRAM) device. It features a storage capacity of 8 kbit organized as 1K x 8 bits. The component supports parallel interface communication with a maximum access time of 55 ns. It operates within a supply voltage range of 4.5 V to 5.5 V and has a maximum power supply current of 110 mA. The device is housed in a CDIP-SB-48 package and functions reliably at temperatures between 0°C and +70°C.

Feature Summary

Dual-port architecture enabling independent simultaneous access by two processors
Asynchronous operation for flexible system integration without clock synchronization requirements
CMOS technology providing high-speed data transfer capabilities

Applications

Real-time data buffering in embedded systems
Cache memory implementation in microprocessor designs
Data storage in industrial control equipment

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance requirements as the part does not meet current standards. Validate package integrity upon receipt, as CDIP-SB-48 units may have limited availability from secondary markets. Ensure compatibility with existing system voltage levels before procurement.

Selection Notes

Select this component when dual-port functionality is required for concurrent processor access. Consider the 55 ns access speed against system timing constraints. Evaluate the CDIP-SB-48 package suitability for through-hole mounting processes. Compare power consumption specifications with alternative SRAM families if energy efficiency is critical.

Part Context

This part belongs to the 7140SA series of dual-port SRAMs manufactured by Renesas Electronics. It shares architectural similarities with other members like the 7140SA55P, differing primarily in packaging type. The series targets applications requiring high-speed, non-volatile-like data retention during active operation.