IS25LP512M-RHLE

IS25LP512M-RHLE is a 512 Mbit serial NOR flash memory from ISSI (IS25LP512M family) designed for persistent program/data storage in embedded systems. It uses a SPI-compatible serial interface and supports high-speed operation with multiple I/O modes.
Key features (summary):
- Capacity: 512 Mbit (64 MB) of non-volatile storage
- Interfaces: SPI-compatible, with Dual I/O and Quad I/O modes for higher throughput
- Addressing: supports 4-byte addressing for full capacity
- Operations: fast read, page program, sector/block/chip erase
- Power: low power with sleep/deep power-down options
- Voltage: typically 2.7–3.6 V (voltage range may vary by variant)
- Reliability: standard protection and security features common to NOR flash
- Packaging: available in RoHS-compliant packages (check datasheet for exact options)
Applications:
Code and data storage for microcontrollers, boot ROMs, embedded systems, automotive, consumer electronics.
Note: Always consult the official datasheet for exact specifications, temperature range, and package options for the RHLE variant.

IS25LP512M-RHLE is a 512‑Mbit serial flash memory from ISSI. Key features:
- Density: 512 Mbit (64 MB)
- Interface: Serial SPI with support for standard SPI, Dual I/O, and Quad I/O modes
- Voltage: 2.7–3.6 V; operates in industrial temp range options (typical -40°C to +85°C)
- Addressing: 4‑byte addressing mode to access full memory
- Speed: Fast read up to 104 MHz; Quad/dual I/O fast read options
- Organization: 256‑byte pages; 4K/32K/64K erase sectors (and bulk erase)
- Programming: Page program (256 bytes); typical program time in the microseconds range
- Protection: hardware write protection and status/protection registers; security features
- Power: Deep power‑down mode and wake/reset capabilities
- Endurance/Retention: ~100k program/erase cycles; data retention typically >20 years
- Package: 8‑lead package (RHLE variant), RoHS compliant
Common applications: firmware storage, code updates, and data logging in embedded systems.

8-pin SOIC (small-outline) package.

Pin count: 8 pins.
Function: IS25LP512M-RHLE is a 512‑Mbit serial SPI flash memory. In an 8‑pin package, pins provide CS (chip select), CLK (clock), SI (data in/MOSI), SO (data out/MISO), WP# (write protect), HOLD#, VCC, and GND.

- Manufacturer: Integrated Silicon Solution, Inc. (ISSI).
- What kind of company: A US-based fabless semiconductor company that designs and markets memory products (NOR Flash, DRAM, SRAM) and outsources manufacturing to foundries.

IS25LP512M-RHLE is a 512-Mbit serial NOR flash. Typical application areas:
- Boot and firmware storage for MCUs/SoCs
- Secure firmware updates and bootloading
- Non-volatile configuration and data logging in industrial, automotive, and IoT devices
- Networking/telecom equipment (routers, switches)
- Consumer electronics (set-top boxes, cameras, peripherals)
- Small, low-power embedded systems requiring fast random access and reliable non-volatile storage

Equivalent 512 Mb SPI Quad IO flash devices (8-pin SOP):
- Winbond W25Q512JV / W25Q512JVEQ
- Macronix MX25L51245GMI-10G
- GigaDevice GD25Q512C (GD25Q512)
- Micron N25Q512A (N25Q512A)
- Spansion/Cypress S25FL512S
Note: check exact voltage (3.3V vs 1.8V), timing, and package/pinout for a true drop-in replacement.