28C256-90B/XB
EEPROM, 32KX8, 90ns, Parallel, CMOS, CDIP28Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's 28C256-90B-XB is a 262,144-bit (32K x 8) CMOS serial EEPROM featuring a 90ns access time. This component offers 10,000 write endurance cycles and operates over a -55°C to +125°C temperature range. The 28C256 series provides parallel interface capabilities for data access and includes data polling and toggle bit features for efficient operation. Its 32-word page buffer facilitates program operations. Applications for this component span industrial control, medical instrumentation, and aerospace systems requiring high reliability and robust memory solutions. The device is housed in a 28-lead ceramic dual in-line package (CDIP28) with through-hole mounting. Supply voltage ranges from 5V nominal, with a standby current of 350µA max and a typical operating current of 80mA max.
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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