AT28HC256E-90LM
EEPROM, 32KX8, 90ns, Parallel, CMOS, CQCC32Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's AT28HC256E-90LM is a 262,144-bit (32K x 8) electrically erasable and programmable read-only memory (EEPROM). This parallel interface device features an access time of 90 ns and operates from a single 5V supply. It supports asynchronous operation and offers features like data polling and toggle bit for efficient read and write operations. The AT28HC256 series is designed for applications requiring non-volatile data storage, including industrial control systems, aerospace, and defense electronics. The device is housed in a 32-lead Ceramic Chip Carrier (CQCC) package, adhering to MIL-STD-883 standards for reliability. The endurance rating is 100,000 write cycles, with a write cycle time of 10 ms. Its operating temperature range spans from -55°C to +125°C.
Additional Information
Series: AT28HC256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 11.4300 |
| Technology | CMOS |
| Length | 13.9700 |
| Access_Time_Max | 90.0000000000000000 |
| Additional_Feature | AUTOMATIC WRITE |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Endurance | 100000.000000000000000 |
| JESD_30_Code | R-CQCC-N32 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 32 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | QCCN |
| Package_Equivalence_Code | LCC32,.45X.55 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Screening_Level_Reference_Standard | MIL-STD-883 |
| Seated_Height_Max | 2.5400 |
| Standby_Current_Max | 0.050000000000000 |
| 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_Pitch | 1.270 |
| Terminal_Position | QUAD |
| Toggle_Bit | Yes |
| Write_Cycle_Time_Max_tWC | 10.0000000000000000 |
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