• R1LP0408DSB-5SI#B1 32-SOIC
R1LP0408DSB-5SI#B1 32-SOIC


Innovative 4Mb Low Power TSOP Memory

Quantity Unit Price(USD) Ext. Price
1 $3.732 $3.73
200 $1.445 $289.00
500 $1.394 $697.00
1000 $1.370 $1,370.00


*The price is for reference only.
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Overview of R1LP0408DSB-5SI#B1

The R1LP0408DSB-5SI#B1 is a 4M CMOS low power single voltage flash memory IC designed for non-volatile data storage applications. It offers high reliability and low power consumption, making it suitable for various embedded systems and devices.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Positive Power Supply
  • GND: Power Ground
  • CE: Chip Enable
  • WE: Write Enable
  • OE: Output Enable
  • NC: No Connection
  • DQ0-DQ7: Data Input/Output
  • A0-A19: Address Inputs

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the R1LP0408DSB-5SI#B1 IC for a visual representation.

Key Features

  • 4Mbit Capacity: Offers 4 megabits of storage capacity for data retention.
  • Low Power Consumption: Consumes minimal power during read/write operations, ideal for battery-powered devices.
  • Single Voltage Operation: Operates with a single supply voltage, simplifying the power supply design.
  • High Reliability: Provides reliable data storage with high endurance and retention capabilities.
  • Fast Access Time: Offers quick access to stored data for efficient system performance.
  • Compact Package: Available in a compact and space-saving form factor for easy integration into designs.

Note: For detailed technical specifications, please refer to the R1LP0408DSB-5SI#B1 datasheet.


  • Embedded Systems: Ideal for use in embedded systems requiring non-volatile data storage.
  • Consumer Electronics: Suitable for consumer electronic devices such as digital cameras, MP3 players, and smart appliances.
  • Industrial Control: Used in industrial control systems for storing configuration data and operational parameters.


The R1LP0408DSB-5SI#B1 flash memory IC provides reliable and efficient non-volatile data storage capabilities, making it essential for various embedded applications.

Usage Guide

  • Power Supply: Connect VCC (Pin X) to the positive supply voltage and GND (Pin Y) to the ground.
  • Data Transfer: Use the CE, WE, and OE pins along with data and address inputs for read and write operations.
  • Addressing: Apply address signals to the address input pins to access specific memory locations within the IC.

Frequently Asked Questions

Q: Can the R1LP0408DSB-5SI#B1 be used in automotive applications?
A: The R1LP0408DSB-5SI#B1 is not specifically designed for automotive use. Consider automotive-grade memory solutions for such applications.

Q: What is the data retention period of the R1LP0408DSB-5SI#B1?
A: The data retention period of the R1LP0408DSB-5SI#B1 is typically X years under specified operating conditions.


For similar functionalities, consider these alternatives to the R1LP0408DSB-5SI#B1:

  • AT29C040A: A compatible flash memory IC offering comparable features and performance specifications.
  • W25Q32FV: This SPI flash memory IC provides similar storage capacity and low power consumption characteristics.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Package Tray Product Status Active
Programmabe Not Verified Memory Type Volatile
Memory Format SRAM Technology SRAM
Memory Size 4Mbit Memory Organization 512K x 8
Memory Interface Parallel Write Cycle Time - Word, Page 55ns
Access Time 55 ns Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA) Mounting Type Surface Mount
Package / Case 32-SOIC (0.400", 10.16mm Width) Supplier Device Package 32-TSOP II
Base Product Number R1LP0408

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