28C256-20B/UC
EEPROM, 32KX8, 200ns, Parallel, CMOS, CQCC32Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's 28C256-20B-UC is a 32K x 8 CMOS parallel EEPROM featuring a 200ns access time. This component offers 262,144 bits of non-volatile memory with robust data retention and 10,000 write/erase endurance. Its 32-terminal CQCC package is designed for demanding environmental conditions, operating from -55°C to +125°C. The 28C256 series supports parallel data transfer and includes features like data polling and toggle bit for efficient operation. Applications span industrial control, automotive systems, and aerospace, where reliable data storage in harsh environments is critical. The memory organization is 32K words by 8 bits, with a page write capability of 64 bytes. High-reliability screening options are available.
Additional Information
Series: 28C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 200.0000000000000000 |
| 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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