25AA256X-I/ST
EEPROM, 32KX8, Serial, CMOS, PDSO8Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's 25AA256 series EEPROM, part number 25AA256X-I-ST, offers 262 Kbits of non-volatile memory organized as 32K x 8 bits. This CMOS serial EEPROM operates via an SPI interface, supporting clock frequencies up to 10 MHz. It features a wide operating supply voltage range from 1.8V to 5.5V, with specific 1.8V operation at 3MHz noted. The device boasts a data retention of 200 years and an endurance of 1,000,000 write cycles. Packaging is in an 8-lead TSSOP (Thin Shrink Small Outline Package) with a 0.65mm terminal pitch. Applications span industrial automation, automotive systems, and consumer electronics, where reliable data storage is critical. Write protection mechanisms include both hardware and software configurations.
Additional Information
Series: 25AA256RoHS Status: RoHS CompliantManufacturer Lead Time: 6Product Status: ActivePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Width | 3.0000 |
| Technology | CMOS |
| Length | 4.4000 |
| Additional_Feature | OPERATES WITH 1.8VMIN @ 3MHZ |
| Clock_Frequency_Max | 10.00000 |
| Data_Retention_Time_Min | 200 |
| Endurance | 1000000.000000000000000 |
| JESD_30_Code | R-PDSO-G8 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 8 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Synchronous |
| Operating_Temperature_Max | 85.0 |
| Operating_Temperature_Min | -40.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | TSSOP |
| Package_Equivalence_Code | TSSOP8,.25 |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel_Serial | Serial |
| Programming_Voltage | 2.5 |
| Seated_Height_Max | 1.2000 |
| Serial_Bus_Type | SPI |
| Standby_Current_Max | 0.000001000000000 |
| Supply_Current_Max | 5.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 1.80000 |
| Supply_Voltage_Nom | 2.5 |
| Surface_Mount | Yes |
| Terminal_Form | Gull Wing |
| Terminal_Pitch | 0.650 |
| Terminal_Position | Dual |
| Write_Cycle_Time_Max_tWC | 5.0000000000000000 |
| Write_Protection | HARDWARE/SOFTWARE |
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