MX25V1635FZUI

MX25V1635FZUI is Macronix’s 16‑Mbit serial NOR Flash memory in an 8‑pin package. It stores firmware/data for embedded systems and is accessed via a standard SPI interface (SCK, SI, SO, CS).
Key points:
- Capacity: 16 Mbit (2 MB)
- Interface: SPI-compatible
- Voltage: typically 2.7–3.6 V
- Memory organization: 256‑byte pages; supports 4 KB/8 KB/64 KB sector erases
- Addressing: 3‑byte addressing (with options for larger addressing modes as applicable)
- Features: Write enable and program; Read/Write Status Register; Deep Power-Down; basic protection features
- Uses: boot code storage, firmware updates, and non‑volatile configuration data
- Packaging: 8‑pin device (suffix UI denotes package/variant)
For exact timing, electrical specs, endurance, and full command set, consult the MX25V1635FZUI datasheet.

Key features of MX25V1635FZUI:
- 16 Mb (2 MB) serial flash memory; 8-pin UI package (SOP8)
- 2.7–3.6 V operation
- Organization: 2,097,152 × 8; 256-byte pages; 4 KB sectors; 64 KB erase blocks
- Interfaces: standard SPI, Dual I/O, Quad I/O (QIO), and QPI modes
- Fast data transfer: high-speed read up to standard SPI speeds (up to 104 MHz); Dual/Quad/I/O and QPI capable
- Power/save: Deep power-down mode; low standby current
- Write protection: software (WRSR/WEL) and hardware block/sector protection (BP bits)
- Security/OTP: sector/block protection with a small OTP area
- Typical command set: READ, FAST READ, PAGE PROGRAM (PP), sector/block/chip erase, WREN/WRDI, RDSR/WRSR, RDID, etc.
- Status and identification: POR, WIP, WEL indicators; JEDEC/device IDs
- Endurance: typical erase/write cycles per sector (industrial-grade reliability)
- Operating temperature: suitable for industrial ranges (-40°C to 85°C; extended temp variants available)
Note: exact speed grades and temp ranges can vary by lot/market; refer to the datasheet for precise specs.

8-pin SOIC (SO-8) package.

- Pin count: 8 pins (8-pin package, e.g., SOIC8/MSOP8)
- Function: 16 Mbit SPI serial NOR flash memory (MX25V1635FZUI). Uses an SPI interface with pins: CS, CLK, DI (MOSI), DO (MISO), WP#, HOLD#, VCC, VSS. Provides non-volatile storage with standard read/fast-read, page program, sector/block erase, and chip erase operations.

- Manufacturer: Macronix International Corporation, Ltd. (MXIC).
- What kind of company: A Taiwan-based semiconductor company and integrated device manufacturer (IDM) that designs and manufactures non-volatile memory products, especially NOR/SPI flash memory used in embedded systems and storage.

MX25V1635FZUI is a 16‑Mbit SPI serial flash memory. Typical applications:
- Embedded systems: code boot flash and firmware storage
- Firmware updates and recovery for IoT, consumer electronics, and automotive
- Data logging and configuration storage in industrial instruments
- Local storage for microcontrollers and small file systems
- Peripheral memory for cameras, set‑top boxes, wearables

Equivalent products (16Mbit SPI NOR flash) to MX25V1635FZUI:
- Winbond W25Q16JV (W25Q16JVS)
- GigaDevice GD25Q16C (CSIG)
- Spansion S25FL164K
- ISSI IS25LP016D
- Macronix MX25L1635F (same family)