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*The following are the basic parameters of the product, involving the characteristics of the product and its category
| TYPE | DESCRIPTION | 
|---|---|
| Part Status | Active | 
| RoHS Status | ROHS3 Compliant | 
| Mounting Type | Surface Mount | 
| Mount | Surface Mount | 
| Number of Functions | 1 | 
| ECCN Code | EAR99 | 
| Pbfree Code | yes | 
| Radiation Hardening | No | 
| Contact Plating | Gold | 
| Lead Free | Lead Free | 
| JESD-609 Code | e4 | 
| Number of Pins | 8 | 
| Number of Terminations | 8 | 
| Pin Count | 8 | 
| Terminal Position | DUAL | 
| Packaging | Tube | 
| Operating Supply Voltage | 3.3V | 
| Technology | CMOS | 
| Peak Reflow Temperature (Cel) | 260 | 
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
| Time@Peak Reflow Temperature-Max (s) | 40 | 
| Supply Voltage | 3V | 
| Terminal Pitch | 1.27mm | 
| Operating Temperature | -40°C~85°C TA | 
| Length | 5mm | 
| Data Retention Time-Min | 100 | 
| Memory Format | FLASH | 
| Factory Lead Time | 5 Weeks | 
| Supply Voltage-Max (Vsup) | 3.6V | 
| Width | 4mm | 
| Supply Voltage-Min (Vsup) | 2.7V | 
| Programming Voltage | 2.7V | 
| Package / Case | 8-SOIC (0.154, 3.90mm Width) | 
| Memory Type | Non-Volatile | 
| Memory Interface | SPI | 
| Serial Bus Type | SPI | 
| Clock Frequency | 50MHz | 
| Height | 1.5mm | 
| Data Bus Width | 8b | 
| Word Size | 8b | 
| Nominal Supply Current | 15mA | 
| Voltage – Supply | 2.7V~3.6V | 
| Published | 1998 | 
| Sync/Async | Synchronous | 
| Interface | SPI, Serial | 
| Access Time | 8 ns | 
| Write Protection | HARDWARE/SOFTWARE | 
| Endurance | 100000 Write/Erase Cycles | 
| Write Cycle Time – Word, Page | 10μs | 
| Density | 4 Mb | 
| Memory Size | 4Mb 512K x 8 | 
| Standby Current-Max | 0.00002A | 
| Address Bus Width | 1b | 
| Organization | 4MX1 | 
| Series | SST25 | 
| Base Part Number | SST25VF040B | 
*The following components have specifications similar
*The following five components have specifications similar