AT28C256E-30LM/883
EEPROM, 32KX8, 300ns, Parallel, CMOS, CQCC32Manufacturer: Microchip Technology
Categories: EEPROMs
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The Microchip Technology AT28C256E-30LM-883 is a 262,144-bit (32K x 8) CMOS Electrically Erasable Programmable Read-Only Memory. This parallel interface device offers a fast 300ns access time and features hardware and software data protection mechanisms. With a data retention capability of 10 years and an endurance of 100,000 write cycles, it is designed for demanding applications. The AT28C256 series supports asynchronous operation and includes data polling and toggle bit features for efficient status monitoring. Packaged in a 32-lead CQCC (Ceramic Quad Flatpak), this component operates across a wide temperature range from -55°C to +125°C. Its robust construction and specifications make it suitable for use in aerospace, defense, and industrial control systems.
Additional Information
Series: AT28C256RoHS Status: Manufacturer Lead Time: Product Status: ActivePackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 13.9700 |
| Width | 11.4300 |
| Technology | CMOS |
| Access_Time_Max | 300.0000000000000000 |
| 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-CQCC-N32 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 32 |
| 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 | QCCN |
| Package_Equivalence_Code | LCC32,.45X.55 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Seated_Height_Max | 2.5400 |
| 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 | NO LEAD |
| Terminal_Pitch | 1.270 |
| Terminal_Position | QUAD |
| Toggle_Bit | Yes |
| Write_Cycle_Time_Max_tWC | 10.0000000000000000 |
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