The **IS25WP032D-RKLE:P** is a high-performance 32-Megabit (4MB) Serial Flash memory device manufactured by **Integrated Silicon Solution Inc. (ISSI)**. It is designed for systems requiring high reliability and fast data access in a compact form factor. --- ### 1. Key Technical Specifications | Parameter | Specification | |:---|:---| | **Density** | 32 Megabits (4 Megabytes) | | **Interface** | SPI, Dual SPI, Quad SPI (QSPI), and QPI | | **Clock Frequency** | Up to 133 MHz (Standard/Dual/Quad) | | **Voltage Range** | 1.65V to 1.95V (Low Power) | | **Temperature Range** | Industrial: -40°C to +105°C | | **Package Type** | 8-contact WSON (6x5mm) | | **Data Retention** | 20 Years | --- ### 2. Functional Features * **Multi-I/O Support:** The device supports standard SPI, as well as Dual and Quad outputs. In Quad mode, it achieves an effective throughput of up to 532Mbps (133MHz x 4 bits). * **WIP (Write In Progress) Polling:** Allows the system to check the status of program or erase cycles. * **Security & Protection:** * Software and Hardware-controlled write protection. * Three 256-byte OTP (One-Time Programmable) security registers with locking headers. * **Power Consumption:** Optimized for battery-operated devices with a deep power-down mode current as low as 2μA (typical). --- ### 3. Part Number Decoder (IS25WP032D-RKLE:P) | Segment | Meaning | |:---|:---| | **IS** | ISSI (Manufacturer) | | **25WP** | 1.8V Quad SPI Serial Flash | | **032** | 32 Megabits | | **D** | Device Revision | | **R** | Temperature: Industrial (-40°C to +105°C) | | **K** | Package: 8-contact WSON (6x5mm) | | **L** | Lead-free / RoHS Compliant | | **E** | Performance/Option code | | **:P** | Packing Type: Tape & Reel | --- ### 4. Typical Applications * **Internet of Things (IoT):** Smart home sensors and wearable devices due to the 1.8V low-power operation. * **Automotive:** Infotainment systems and instrument clusters (meeting industrial temperature grades). * **Consumer Electronics:** Bluetooth speakers, digital cameras, and printers. * **Networking:** Routers and switches for boot code storage.