AT28C256E-35FM/883
EEPROM, 32KX8, 350ns, Parallel, CMOS, CDFP28Manufacturer: Microchip Technology
Categories: EEPROMs
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The Microchip Technology AT28C256E-35FM-883 is a 262,144-bit (32K x 8) CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM). This device offers a fast 350ns access time and operates asynchronously. It features hardware and software data protection mechanisms, with a data retention capability of 10 years. The AT28C256 series supports data polling and a toggle bit for write operation monitoring. Designed for demanding applications, it operates across a wide temperature range from -55°C to +125°C. The component is housed in a 28-lead Ceramic Flat Pack (CDFP) package, specified by JESD-30 code R-CDFP-F28, with a terminal pitch of 1.27mm. Its robust construction and reliability make it suitable for use in aerospace and defense systems. Endurance is rated at 100,000 write cycles.
Additional Information
Series: AT28C256RoHS Status: Manufacturer Lead Time: Product Status: ActivePackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 18.3000 |
| Width | 10.1600 |
| Technology | CMOS |
| Access_Time_Max | 350.0000000000000000 |
| Additional_Feature | HARDWARE & SOFTWARE DATA PROTECTION; DATA RETENTION = 10 YEARS |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Data_Retention_Time_Min | 10 |
| Endurance | 100000.000000000000000 |
| JESD_30_Code | R-CDFP-F28 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | DFP |
| Package_Equivalence_Code | FL28,.4 |
| Package_Shape | Rectangular |
| Package_Style | FlatPack |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Seated_Height_Max | 3.0200 |
| Standby_Current_Max | 0.000300000000000 |
| Supply_Current_Max | 80.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | Flat |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
| Toggle_Bit | Yes |
| Write_Cycle_Time_Max_tWC | 10.0000000000000000 |
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