AT28HC256-12FM
EEPROM, 32KX8, 120ns, Parallel, CMOS, CDFP28Manufacturer: Microchip Technology
Categories: EEPROMs
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The Microchip Technology AT28HC256-12FM is a 262,144-bit (32K x 8) parallel interface, high-speed CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM). This component features a 120ns access time and supports asynchronous operation. It offers a data retention endurance of 10,000 write cycles. The AT28HC256-12FM includes automatic write and data polling capabilities, along with a toggle bit for status indication. Designed for robust performance, it operates within a temperature range of -40°C to +85°C and requires a supply voltage of 4.5V to 5.5V. The device is available in a 28-lead Ceramic Dual Flat Pack (CDFP28) package, conforming to MIL-STD-883 Class B screening standards. This memory solution is suitable for applications in industrial control, aerospace, and defense systems requiring reliable non-volatile data storage.
Additional Information
Series: AT28HC256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 18.3000 |
| Width | 10.1600 |
| Technology | CMOS |
| Access_Time_Max | 120.0000000000000000 |
| Additional_Feature | AUTOMATIC WRITE |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Endurance | 10000.000000000000000 |
| JESD_30_Code | R-CDFP-F28 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 85.0 |
| Operating_Temperature_Min | -40.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | DFP |
| Package_Equivalence_Code | FL28,.4 |
| Package_Shape | Rectangular |
| Package_Style | FlatPack |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Screening_Level_Reference_Standard | MIL-STD-883 Class B |
| Seated_Height_Max | 3.0200 |
| Standby_Current_Max | 0.060000000000000 |
| Supply_Current_Max | 133.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | Flat |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
| Toggle_Bit | Yes |
| Write_Cycle_Time_Max_tWC | 3.0000000000000000 |
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