AT28C256E-35DM/883
EEPROM, 32KX8, 350ns, Parallel, CMOS, CDIP28Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology AT28C256E-35DM-883 is a 262144-bit CMOS Electrically Erasable Programmable Read-Only Memory organized as 32K words by 8 bits. This parallel interface EEPROM features an access time of 350 ns and a 10-year data retention specification. It supports hardware and software data protection mechanisms, along with data polling and a toggle bit for write completion indication. The AT28C256 series operates asynchronously with a standard 5V supply voltage. Designed for demanding environments, this component offers a wide operating temperature range of -55°C to +125°C and is housed in a 28-lead Ceramic Dual In-line Package (CDIP28, JESD-30 Code R-GDIP-T28) suitable for through-hole mounting. Screening level references include 883B, commonly found in aerospace and defense applications. Endurance is rated at 100,000 write cycles.
Additional Information
Series: AT28C256RoHS Status: Manufacturer Lead Time: Product Status: ActivePackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 37.2500 |
| Width | 15.2400 |
| Technology | CMOS |
| Access_Time_Max | 350.0000000000000000 |
| Additional_Feature | HARDWARE & SOFTWARE DATA PROTECTION; DATA RETENTION = 10 YEARS |
| Command_User_Interface | No |
| Data_Polling | Yes |
| Data_Retention_Time_Min | 10 |
| Endurance | 100000.000000000000000 |
| 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 | 125.0 |
| Operating_Temperature_Min | -55.0 |
| 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 | 38535Q/M;38534H;883B |
| Seated_Height_Max | 5.7200 |
| Standby_Current_Max | 0.000300000000000 |
| 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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