25AA640T-I/SNB21G
EEPROM, 8KX8, Serial, CMOS, PDSO8Manufacturer: Microchip Technology
Categories: EEPROMs
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The Microchip Technology 25AA640T-I-SNB21G is a 64-kilobit serial CMOS EEPROM with an 8K x 8 memory organization. This component supports the SPI serial bus interface, operating at clock frequencies up to 1 MHz. It features a wide supply voltage range from 1.8V to 5.5V, with a nominal voltage of 2.5V. The device is rated for an operating temperature range of -40°C to +85°C. Engineered for durability, it offers 1,000,000 erase/write cycles and data retention exceeding 200 years. The 25AA640 series component is housed in an 8-lead PDSO package with a 1.27mm terminal pitch, suitable for surface-mount applications. Its robust design makes it well-suited for use in industrial control, automotive systems, and consumer electronics where reliable non-volatile data storage is critical.
Additional Information
Series: 25AA640RoHS Status: RoHS CompliantManufacturer Lead Time: Product Status: NRFNDPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 4.9000 |
| Width | 3.9000 |
| Technology | CMOS |
| Additional_Feature | 1000K ERASE/WRITE CYCLES; DATA RETENTION > 200 YEARS |
| Clock_Frequency_Max | 1.00000 |
| Data_Retention_Time_Min | 200 |
| JESD_30_Code | R-PDSO-G8 |
| Memory_Density | 65536.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 8KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 8 |
| Number_of_Words | 8192.0000000000000000 |
| Number_of_Words_Code | 8k |
| Operating_Mode | Synchronous |
| Operating_Temperature_Max | 85.0 |
| Operating_Temperature_Min | -40.0 |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | SOP |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Parallel_Serial | Serial |
| Seated_Height_Max | 1.7500 |
| Serial_Bus_Type | SPI |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 1.80000 |
| Supply_Voltage_Nom | 2.5 |
| Surface_Mount | Yes |
| Terminal_Form | Gull Wing |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
| Write_Cycle_Time_Max_tWC | 5.0000000000000000 |
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