BR9020RFV-WE2

Memory IC Overview

The BR9020RFV-WE2 is a 2K-bit serial EEPROM from the BR90XX series, organized as 128 words by 16 bits. It operates on a single power supply ranging from 2.7V to 5.5V with a maximum clock frequency of 2MHz. The device features low supply current, drawing up to 2mA during active operation and 3µA in standby mode at 5V. It supports self-timed programming cycles with auto-erase capabilities and includes write protection via the WC pin. The component offers an endurance of 100,000 erase/write cycles and ensures data retention for 10 years.

Memory IC Feature Summary

• Supports direct connection to serial ports using CS, SK, DI, and DO pins for synchronous communication.
• Includes hardware write protection through the WC pin, allowing configuration as one-time ROM.
• Features internal status check via R/B pin to monitor busy states during self-timed programming cycles.
• Incorporates noise filters on the SK pin and automatic write disable upon low supply voltage detection.

Memory IC Applications

• General-purpose non-volatile memory storage
• Direct interface with computer serial ports
• Data logging in industrial control systems

Memory IC Procurement Notes

Verify that the specific ordering suffix matches the required package type, as the BR9020 series is available in DIP8, SOP8, SSOP-B8, and MSOP8 configurations. Confirm RoHS compliance status if environmental regulations apply to the target assembly. Ensure the design accounts for the recommended operating conditions regarding supply voltage stability and noise rejection capacitors between VCC and GND.

Memory IC Selection Notes

Select this component when a 16-bit word width is required for serial EEPROM applications. The BR9020 variant provides 2K-bit capacity, suitable for larger parameter sets compared to the 1K-bit BR9010. Consider the RFV suffix for surface-mount SSOP-B8 packaging. Evaluate the need for the WC pin functionality if hardware-level write protection against accidental modification is necessary for the system design.

Memory IC Part Context

This part belongs to the BR90XX series of serial EEPROMs designed for easy integration with standard serial interfaces. The series includes 1K, 2K, and 4K bit densities, all sharing similar command structures and electrical characteristics. The BR9020 specifically addresses applications requiring double the word count of the BR9010 while maintaining compatibility with the same four-pin serial protocol.

Memory IC Replacement Considerations

BR9020FV-W

Memory IC FAQ

How does the device handle write operations?

Write operations are performed in word units using a self-timed programming cycle with auto-erase. The device must receive a Write Enable (WEN) instruction before writing, and the process is monitored via the R/B pin.

What is the function of the WC pin?

The WC (Write Control) pin allows for hardware-based write protection. When controlled appropriately, it can prevent write operations, effectively enabling the EEPROM to function as a one-time programmable ROM.