AT28C256F-20UC
EEPROM, 32KX8, 200ns, Parallel, CMOS, CPGA28Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology's AT28C256F-20UC is a 262,144-bit CMOS Electrically Erasable Programmable Read-Only Memory organized as 32,768 words by 8 bits. This parallel interface EEPROM offers a maximum access time of 200ns and a write cycle time of 3ms. It features hardware and software data protection, with a data retention capability of 10 years and an endurance of 10,000 write cycles. The device operates asynchronously and supports data polling with a toggle bit for status monitoring. It is designed for a supply voltage range of 4.5V to 5.5V, with a typical operating voltage of 5V and a low standby current of 200µA. The AT28C256F-20UC is housed in a 28-lead Ceramic Pin Grid Array (CPGA) package, suitable for industrial applications.
Additional Information
Series: AT28C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 14.0000 |
| Technology | CMOS |
| Length | 16.5000 |
| Access_Time_Max | 200.0000000000000000 |
| Additional_Feature | HARDWARE & SOFTWARE DATA PROTECTION; DATA RETENTION = 10 YEARS |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Data_Retention_Time_Min | 10 |
| Endurance | 10000.000000000000000 |
| JESD_30_Code | R-CPGA-P28 |
| 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 | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | PGA |
| Package_Equivalence_Code | PGA28,5X6 |
| Package_Shape | Rectangular |
| Package_Style | GRID ARRAY |
| Page_Size | 64 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Seated_Height_Max | 4.4000 |
| 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 | No |
| Terminal_Form | PIN/PEG |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Perpendicular |
| Toggle_Bit | Yes |
| Write_Cycle_Time_Max_tWC | 3.0000000000000000 |
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