Key Technical Specifications

• Memory Density: 128 Mbit (16 MB)[1][2][3]
• Interface: Quad SPI (Serial Peripheral Interface), with support for Dual and Quad I/O.
• Clock Frequency: Up to 133 MHz in Single/Dual/Quad SPI modes.
• Supply Voltage: 2.7V to 3.6V (Standard 3.0V core).
• Operating Temperature: -40°C to +85°C (Industrial Grade).
• Package: 16-pin SOIC (300 mil) (also referred to as SO16 or PG-DSO-16).
• Sector Architecture: Uniform 64 KB sectors or 256 KB sectors (depending on configuration).
• Data Retention: 20 years (typical).[4]
• Endurance: 100,000 Program/Erase cycles.

Part Number Decoder

Breaking down the identifier S25FL128SAGMFIR01:

• S25: Infineon/Cypress/Spansion Serial Flash Memory.
• FL: Family name.
• 128: Density (128 Megabits).[1][2][5]
• S: 65 nm MirrorBit® Technology (FL-S series).
• A: Voltage range (2.7V to 3.6V).
• G: Model/Architecture indicator (Uniform 64-KB sectors).
• M: Package type (16-pin SOIC).[2][3][6][7]
• F: Special package features (Lead-free).
• I: Industrial temperature range (-40°C to +85°C).[2][3][6][8][9]
• R: Specific model variant (often indicating RESET# pin and VIO support).[10]
• 01: Packing type (Tube; "03" typically denotes Tape & Reel).