


Micron Technology
MT25QU01GBBB1EW9-0SIT
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MT25QU01GBBB1EW9-0SIT Description
MT25QU01GBBB1EW9-0SIT
📋 Key Specifications
| Part Number | MT25QU01GBBB1EW9-0SIT |
| Brand | Micron Technology |
| Memory Type | Serial NOR Flash (Quad SPI) – 1.8V |
| Density | 1 Gb (128 MB) |
| Interface | SPI / Dual SPI / Quad SPI (x1, x2, x4) |
| Clock Frequency | 166 MHz (max) – quad‑I/O read |
| Supply Voltage | VCC = 1.7 V – 2.0 V (1.8V typical) |
| Package | 8‑lead WSON (6×8 mm) – 1EW9 |
| Temp. Range (SIT) | -40°C to +85°C · Industrial |
| Sector Architecture | 4 KB sectors, 64 KB blocks |
⚡ Key Features
- ▸ Quad SPI with XIP (eXecute in Place)
- ▸ 166 MHz clock for quad‑I/O read
- ▸ Dual‑IO and quad‑IO support
- ▸ Sector erase (4 KB) and block erase (64 KB)
- ▸ Programmable write protection (locking)
- ▸ Deep Power‑Down mode (DPD) – 1 µA
- ▸ Status register with block protect bits
- ▸ Industrial temperature range (-40°C to +85°C)
📡 Target Applications
📄 Product Description
The MT25QU01GBBB1EW9-0SIT is a 1Gb (128MB) serial NOR Flash memory from Micron, featuring a low‑voltage 1.8V supply and high‑speed Quad SPI performance with clock rates up to 166 MHz in quad‑I/O mode. This device provides fast read access for code execution (XIP) and reliable data storage in a wide range of industrial and embedded applications.
The -0SIT grade specifies an industrial temperature range of -40°C to +85°C, ensuring robust operation in harsh environments. The compact 8‑lead WSON package (1EW9) and low power consumption make it ideal for space‑constrained designs that demand high endurance and data retention over extended product lifecycles.



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