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| PartNumber | AT25FS040N-SH27-B | AT25FS040N-SH27-T | AT25FS040N-SH27DE-T |
| Description | NOR Flash 2.7V - 8-PH/ NIPDAU 2.7 | IC FLASH 4M SPI 50MHZ 8SOIC | |
| Manufacturer | Microchip | ATMEL | ATMEL |
| Product Category | NOR Flash | IC Chips | IC Chips |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOIC-8 | 8-SOIC (0.154", 3.90mm Width) | - |
| Series | AT25FS | - | - |
| Memory Size | 4 Mbit | 4Mb (512K x 8) | - |
| Maximum Clock Frequency | 50 MHz | - | - |
| Interface Type | SPI | - | - |
| Organization | 512 k x 8 | - | - |
| Timing Type | Synchronous | - | - |
| Data Bus Width | 8 bit | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Current Max | 17 mA | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Memory Type | NOR | Non-Volatile | - |
| Speed | 50 MHz | - | - |
| Architecture | Sector | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Product Type | NOR Flash | - | - |
| Standard | Not Supported | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Unit Weight | 0.019048 oz | - | - |
| Packaging | - | Tape & Reel (TR) | - |
| Part Status | - | Obsolete | - |
| Memory Format | - | FLASH | - |
| Technology | - | FLASH | - |
| Clock Frequency | - | 50MHz | - |
| Write Cycle Time Word, Page | - | 50s | - |
| Memory Interface | - | SPI | - |
| Voltage Supply | - | 2.7 V ~ 3.6 V | - |
| Operating Temperature | - | -40°C ~ 85°C (TC) | - |
| Mounting Type | - | Surface Mount | - |
| Supplier Device Package | - | 8-SOIC | - |
| Base Part Number | - | AT25FS040 | - |