28C256-90B/XC
EEPROM, 32KX8, 90ns, Parallel, CMOS, CDIP28Manufacturer: Microchip Technology
Categories: EEPROMs
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The Microchip Technology 28C256 is a 32K x 8 bit CMOS serial EEPROM with a parallel interface, part number 28C256-90B-XC. This device offers a maximum access time of 90ns and operates from a single 5V supply. It features data polling and a toggle bit for status indication. The memory organization is 32K words by 8 bits, providing a total density of 262,144 bits. With an endurance rating of 10,000 write cycles, it supports page write operations up to 64 bytes. The operating temperature range is -55°C to +125°C. This component is housed in a 28-lead ceramic dual in-line package (CDIP28) with through-hole termination. Applications for this device include industrial control systems, automotive electronics, and data acquisition modules requiring robust non-volatile memory. The write cycle time is a maximum of 10ms.
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-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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