## IS25LP256D-RGLA3-TY Overview The **IS25LP256D-RGLA3-TY** is a high-performance, 256-Megabit (32MB) Serial Flash memory device manufactured by **Integrated Silicon Solution Inc. (ISSI)**. It is designed for systems requiring high reliability, high density, and fast data access speeds. --- ### 1. Key Technical Specifications | Feature | Specification | | :--- | :--- | | **Memory Capacity** | 256 Megabit (32 Megabytes) | | **Interface** | SPI, Dual SPI, Quad SPI, and QPI | | **Clock Frequency** | Up to 133 MHz (STR) / 80 MHz (DTR) | | **Voltage Supply** | 2.3V to 3.6V | | **Package Type** | 24-ball TFBGA (6mm x 8mm) | | **Operating Temperature** | Automotive Grade 3 (-40°C to +125°C) | | **Data Retention** | 20 Years | --- ### 2. Functional Characteristics * **Multi-I/O Support:** It supports Standard SPI, Dual Output/Input, and Quad Output/Input (Single Transfer Rate and Double Transfer Rate), significantly increasing throughput compared to standard serial flash. * **Performance:** In Quad SPI mode, it can achieve a data transfer rate of up to 532Mbps, making it suitable for Execute-in-Place (XiP) applications where code is run directly from the flash. * **Security Features:** Includes a 1024-byte OTP (One-Time Programmable) security register and individual sector/block protection. * **Reliability:** Specifically designed for industrial and automotive environments, with high endurance (100,000 program/erase cycles). --- ### 3. Part Number Decoder The part number breaks down as follows: 1. **IS25LP**: Product Family (2.5V/3V Serial Flash, Low Power). 2. **256D**: Density (256 Megabit, Revision D). 3. **R**: Speed/Option (Standard). 4. **GL**: Package Code (24-ball TFBGA, 6x8mm, 5x5 ball array). 5. **A3**: Temperature Grade (Automotive Grade 3: -40°C to +125°C). 6. **TY**: Packing Type (Tray). --- ### 4. Application Areas * **Automotive:** Infotainment systems, Advanced Driver Assistance Systems (ADAS), and instrument clusters. * **Industrial:** Factory automation, medical devices, and smart meters. * **Networking:** Routers, switches, and high-speed communication equipment.