28C256-90B/UA
EEPROM, 32KX8, 90ns, Parallel, CMOS, CQCC32Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's 28C256-90B-UA is a 262,144-bit (32K x 8) CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM). This parallel interface device offers a fast 90ns maximum access time and operates from a single 5V supply. The 28C256 series EEPROM is designed for robust performance across a wide temperature range, from -55°C to +125°C. It features data polling and toggle bit functions for efficient status monitoring. With an endurance rating of 10,000 write cycles, this component is suitable for applications requiring reliable data retention and frequent updates. The 32-terminal Ceramic Quad Flat Chip Carrier (CQCC32) package (JESD30 code R-XQCC-N32) is surface-mountable. Typical applications include industrial control systems, automotive electronics, and data logging.
Additional Information
Series: 28C256RoHS 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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