AT28C256-W
EEPROM, 32KX8, 250ns, Parallel, CMOSManufacturer: Microchip Technology
Categories: EEPROMs
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The Microchip Technology AT28C256-W is a 262,144-bit, high-performance CMOS Electrically Erasable Programmable Read-Only Memory organized as 32,768 words of 8 bits each. This parallel interface device offers a fast 250ns access time and operates asynchronously. Key features include automatic write modes, data polling for write completion status, and a toggle bit for status indication. With an endurance of 10,000 write cycles and a programming voltage of 5V, it is suitable for applications requiring reliable non-volatile data storage. The AT28C256-W operates within a temperature range of 0°C to 70°C and a supply voltage of 4.5V to 5.5V. This component is utilized in various industrial and commercial systems, including data logging, firmware storage, and control systems. The device is provided in an uncased chip package format with 3-state outputs.
Additional Information
Series: AT28C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 250.0000000000000000 |
| Additional_Feature | AUTOMATIC WRITE |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Endurance | 10000.000000000000000 |
| JESD_30_Code | X-XUUC-N |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 30 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | UNSPECIFIED |
| Package_Code | Die |
| Package_Equivalence_Code | DIE OR CHIP |
| Package_Shape | UNSPECIFIED |
| Package_Style | UNCASED CHIP |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Screening_Level_Reference_Standard | MIL-STD-883 |
| Standby_Current_Max | 0.000200000000000 |
| Supply_Current_Max | 80.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | NO LEAD |
| Terminal_Position | UPPER |
| Toggle_Bit | Yes |
| Write_Cycle_Time_Max_tWC | 10.0000000000000000 |
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