AT28HC256-12DM
EEPROM, 32KX8, 120ns, Parallel, CMOS, CDIP28Manufacturer: Microchip Technology
Categories: EEPROMs
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The Microchip Technology AT28HC256-12DM is a 262,144-bit (32K x 8) Electrically Erasable Programmable Read-Only Memory (EEPROM) operating with a 120ns access time. This parallel interface device utilizes CMOS technology for low power consumption, featuring a standby current of 50µA and a supply current of 80mA maximum. The AT28HC256 series supports asynchronous operation and includes features like automatic write and data polling. Its endurance rating is 10,000 write cycles, and it offers page write capabilities with a 64-byte page size.
Designed for robust environmental performance, this component operates within a temperature range of -40°C to +85°C. It is housed in a 28-lead ceramic dual in-line package (CDIP28) with through-hole mounting. The AT28HC256-12DM is suitable for applications in industrial control, aerospace and defense, and data logging systems requiring reliable non-volatile data storage. It is manufactured to MIL-STD-883 Class B screening standards.
Additional Information
Series: AT28HC256RoHS Status: Manufacturer Lead Time: Product Status: ActivePackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 15.2400 |
| Technology | CMOS |
| Length | 37.2500 |
| Access_Time_Max | 120.0000000000000000 |
| Additional_Feature | AUTOMATIC WRITE |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Endurance | 10000.000000000000000 |
| JESD_30_Code | R-GDIP-T28 |
| 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, GLASS-SEALED |
| Package_Code | DIP |
| Package_Equivalence_Code | DIP28,.6 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Screening_Level_Reference_Standard | MIL-STD-883 Class B |
| Seated_Height_Max | 5.7200 |
| 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 | 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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