MX25L12845GXDI-08G

MX25L12845GXDI-08G is Macronix’s 128-Mbit Serial NOR Flash designed for embedded systems to store firmware and data. It offers SPI-based access with Quad I/O mode for higher throughput.
Key points
- Density: 128 Mbit (16 MB)
- Interface: SPI-compatible with Quad SPI/DQ lines
- Voltage: 2.7–3.6 V
- Package: 8-pin (DI-08G)
- Addressing: 3-byte addressing (full capacity); optional 4-byte mode for larger devices
- Operations: Page program (256 bytes); Erase: 4 KB sectors, 32/64 KB blocks, bulk erase
- Speeds: Read up to ~104 MHz (SPI/Quad SPI)
- Features: Write Enable, status/config registers, Deep Power-Down, hardware write protection, security options
- Durability: approx. 100k write cycles per sector; data retention ~20 years
- Temp range: industrial (-40 to 85 C)
Applications
- Firmware storage and boot memory, XIP code, data logging, and general non-volatile storage in MCUs and embedded systems.

Equivalent parts (128‑Mbit, 3.3V Quad I/O/SPI flash with similar geometry):
- Winbond W25Q128FV
- GigaDevice GD25Q128CSIG
- Spansion/Cypress S25FL128SAGMFI
- ISSI IS25LP128M
Note: verify same voltage, 4‑byte addressing, QPI support, and package/pinout for your design.

Here are key features of the MX25L12845GXDI-08G (concise):
- 128-Mbit Serial NOR Flash (16 Mbyte) in an 8-pin package
- SPI-compatible interface (Standard SPI; Quad I/O/dual modes available on some variants)
- 2.7–3.6 V operation; wide temperature range variant available (-40 to 85 °C)
- 4-byte addressing to access full memory space
- 256-byte page programming; erase: 4 KB sectors; 32 KB / 64 KB blocks
- Fast read up to high MHz (typical support around 104 MHz)
- Deep Power-Down and low-power modes
- Endurance ~100k program/erase cycles; data retention > years
- Protection features: WP#/Hold# pins, block protection, basic security features
Note: exact mode support and specs can vary by variant; consult the datasheet for precise electrical/functional details.

- Pin count: 8 pins (8-pin SOIC/SOP package)
- Primary function: Serial SPI flash memory (MX25L12845)
- Pin functions (typical):
- VCC: Power supply
- GND: Ground
- CS: Chip Select (active low)
- CLK: Serial Clock
- DI: Serial Data Input (MOSI)
- DO: Serial Data Output (MISO)
- WP#: Write Protect (active low)
- HOLD#: Hold (active low)

Manufacturer: Macronix International Corp., Ltd. (Macronix).
What kind of company: A Taiwanese semiconductor company that designs and manufactures non-volatile memory products (NOR/NAND flash, ROM, and other memory ICs), with its own fabrication and packaging capabilities.

MX25L12845GXDI-08G is a 128‑Mbit SPI NOR flash (dual/quad SPI capable) used as nonvolatile storage in many embedded systems.
Typical applications include:
- Firmware storage and bootloader for MCUs/SoCs
- Firmware updates and repository for embedded devices
- Code and data storage in consumer electronics (set‑top boxes, cameras, audio players, printers)
- Networking gear (routers, gateways, switches, USB adapters)
- Industrial and automation equipment
- Automotive infotainment and instrument clusters
- Data logging and offline storage for IoT devices
- External flash for systems needing low pin count and reliable nonvolatile memory

8-pin SOP (SOIC) surface-mount package (RoHS-compliant).