## Overview: IS25LP064A-RBLA2 The **IS25LP064A-RBLA2** is a high-performance, 64-Megabit (8 MB) Serial Flash memory device manufactured by **Integrated Silicon Solution Inc. (ISSI)**. It is designed for systems that require high reliability, high speed, and low power consumption. --- ### Key Technical Specifications | Parameter | Value | |:---|:---| | **Density** | 64 Megabits (8 Megabytes) | | **Interface** | SPI, Dual SPI, Quad SPI, QPI | | **Max Clock Frequency** | 133 MHz (Single/Dual/Quad) | | **Voltage Supply** | 2.3V to 3.6V | | **Package Type** | 24-ball TFBGA (6mm x 8mm) | | **Operating Temperature** | -40°C to +105°C (Automotive Grade A2) | | **Data Retention** | 20 Years | --- ### Architectural Features The device utilizes a multi-I/O interface to significantly increase data throughput compared to standard Serial Flash. 1. **Multi-I/O Support**: * **Single SPI**: Standard 1-bit interface. * **Dual SPI**: Increases throughput via two I/O pins. * **Quad SPI**: Provides 4-bit data transfer, achieving speeds up to 532 Mbps. 2. **Sector/Block Architecture**: * 4 KB Uniform Sectors. * 32 KB and 64 KB Uniform Blocks. * This granularity allows for efficient memory management and firmware updates. 3. **Security**: * Includes Three 256-byte Security Registers with OTP (One-Time Programmable) lock. * 64-bit Unique ID for device identification. --- ### Part Number Breakdown Understanding the suffix codes is critical for electronic procurement and PCB design: * **IS**: ISSI (Manufacturer) * **25LP**: 2.5V/3.0V Serial Flash, High Performance * **064**: 64 Megabits * **A**: Product Revision * **R**: Temperature Grade (Extended: -40°C to +105°C) * **B**: Package (TFBGA 24-ball, 6x8mm) * **LA2**: Lead-free, Automotive Grade (A2 denotes high-temperature reliability) --- ### Common Applications * **Automotive Systems**: Infotainment, ADAS (Advanced Driver Assistance Systems), and instrument clusters. * **Industrial**: Automation controllers and robotics. * **Computing**: BIOS and firmware storage for motherboards and networking gear. * **Consumer Electronics**: Smart TVs and high-end IoT devices. ---