28C256-90BUC
EEPROM, 32KX8, 90ns, Parallel, CMOS, CQCC32Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's 28C25 series EEPROM, part number 28C256-90BUC, offers 262,144 bits of non-volatile memory organized as 32K words by 8 bits. This parallel interface CMOS device features a maximum access time of 90 ns and a write cycle time of 10 ms. Designed for robust operation, it supports data polling and toggle bit functionality. The endurance rating is 10,000 write cycles. Operating across a wide temperature range of -55°C to +125°C, this component is available in a 32-terminal Ceramic Quad Flat Chip Carrier (CQCC32) package. Applications for this component include aerospace, defense, and industrial control systems requiring reliable data retention in harsh environments. The 28C256-90BUC is suitable for systems requiring high reliability and performance.
Additional Information
Series: 28C25RoHS Status: Manufacturer Lead Time: Product Status: Contact MfrPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 90.0000000000000000 |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Endurance | 10000.000000000000000 |
| JESD_30_Code | R-XQCC-N32 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Terminals | 32 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Package_Body_Material | Ceramic |
| Package_Code | QCCN |
| Package_Equivalence_Code | LCC32,.45X.55 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Standby_Current_Max | 0.000350000000000 |
| Supply_Current_Max | 80.000000000000000 |
| 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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