R1EX24128BTAS0A#S0

Memory IC Overview

The R1EX24128BTAS0A#S0 is a 128Kbit (16K x 8) serial EEPROM manufactured by Renesas Electronics. It utilizes a two-wire I²C serial interface with clock frequencies up to 400kHz. The device operates on a single supply voltage ranging from 1.8V to 5.5V and employs advanced MONOS memory technology for high reliability. Key electrical characteristics include a maximum standby current of 2.0μA, an active read current of 1.0mA, and an active write current of 3.0mA. It features a 64-byte page write capability with a typical write cycle time of 5ms. The component offers an endurance of over 1,000k cycles and data retention exceeding 100 years. It is available in an 8-pin TSSOP package and supports an operating temperature range of -40°C to +85°C.

Memory IC Feature Summary

• Implements advanced MONOS memory technology combined with CMOS process for enhanced reliability and low power consumption.
• Supports high-speed two-wire serial I²C bus interface with automatic page write functionality for efficient data programming.
• Provides robust non-volatile storage with extended endurance and long-term data retention capabilities.

Memory IC Applications

• Consumer electronics requiring persistent configuration storage
• Industrial control systems needing reliable parameter logging
• Smart meters and utility devices for secure data archiving

Memory IC Procurement Notes

Verify the specific suffix #S0 indicates the 8-pin TSSOP package variant when sourcing. Confirm that the requested quantity aligns with standard shipping tape and reel specifications if applicable. Ensure compatibility with the required operating voltage range and I²C bus speed for the target system design before finalizing procurement.

Memory IC Selection Notes

Select this component for designs requiring byte-alterable non-volatile memory with low power consumption. It is suitable for applications where space is constrained due to its small 8-pin package options. Consider the 1.8V to 5.5V supply range for flexibility in various circuit architectures. Ensure the system supports the I²C protocol for communication.

Memory IC Part Context

This part belongs to the R1EX24128B series of serial EEPROMs from Renesas Electronics. The series is characterized by its use of MONOS memory technology, offering high performance and reliability compared to traditional floating gate technologies. It is designed to replace older parallel EEPROMs in modern compact electronic designs.

Memory IC Replacement Considerations

Check for direct pin-compatible alternatives within the same R1EX family or other Renesas serial EEPROMs with similar capacity and interface specifications. Verify that any substitute maintains the same I²C addressing scheme and voltage requirements.