28C256-25B/XA
EEPROM, 32KX8, 250ns, Parallel, CMOS, CDIP28Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's 28C256-25B-XA is a 32K x 8 bit CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM) featuring a 250ns maximum access time. This parallel interface device offers 32,768 words of non-volatile data storage with an 8-bit data bus width. It operates over a wide temperature range of -55°C to +125°C, adhering to standards such as 883B. The 28C256 series supports data polling and toggle bit operations for efficient read and write management. With a typical endurance of 10,000 write cycles and a robust ceramic Dual In-line Package (DIP) with 28 through-hole terminals, this component is suitable for applications in industrial control, automotive systems, and aerospace where reliability and extended temperature performance are critical. The device operates from a nominal 5V supply.
Additional Information
Series: 28C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 250.0000000000000000 |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Endurance | 10000.000000000000000 |
| JESD_30_Code | R-XDIP-T28 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Terminals | 28 |
| 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 | DIP |
| Package_Equivalence_Code | DIP28,.6 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| 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 | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Dual |
| Toggle_Bit | Yes |
| Write_Cycle_Time_Max_tWC | 10.0000000000000000 |
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