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AT28C256-35UM/883

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AT28C256-35UM/883

EEPROM, 32KX8, 350ns, Parallel, CMOS, CPGA28

Manufacturer: Microchip Technology

Categories: EEPROMs

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The Microchip Technology AT28C256-35UM-883 is a 32K x 8 Electrically Erasable Programmable Read-Only Memory (EEPROM) device. This device offers a fast 350ns access time and utilizes CMOS technology for low power consumption, with a typical standby current of 300µA. It supports asynchronous parallel interface operations and features automatic write capabilities with data polling for status monitoring. The endurance rating is 10,000 write cycles, and the memory organization is 32,768 words by 8 bits, providing a total density of 262,144 bits. Designed for rugged environments, this component adheres to MIL-STD-883 Class B screening standards, operating across a temperature range of -55°C to +125°C. The package is a 28-pin Ceramic Pin Grid Array (CPGA28) with a rectangular shape and perpendicular terminals. This EEPROM is suitable for applications in aerospace, defense, and industrial control systems requiring high reliability and performance in extreme conditions.

Additional Information

Series: AT28C256RoHS Status: Manufacturer Lead Time: Product Status: ActivePackaging: Datasheet:
Download Free CAD Model:Link image
Technical Details:
Length16.5100
Width13.9700
TechnologyCMOS
Access_Time_Max350.0000000000000000
Additional_FeatureAUTOMATIC WRITE
Command_User_InterfaceNo
Data_PollingYes
Endurance10000.000000000000000
JESD_30_CodeR-CPGA-P28
Memory_Density262144.0000000000000000
Memory_IC_TypeEEPROM
Memory_Organization32KX8
Memory_Width8
Number_of_Functions1
Number_of_Terminals28
Number_of_Words32768.0000000000000000
Number_of_Words_Code32k
Operating_ModeAsynchronous
Operating_Temperature_Max125.0
Operating_Temperature_Min-55.0
Output_Characteristics3-State
Package_Body_MaterialCERAMIC, METAL-SEALED COFIRED
Package_CodePGA
Package_Equivalence_CodePGA28,5X6
Package_ShapeRectangular
Package_StyleGRID ARRAY
Page_Size64
Parallel_SerialParallel
Programming_Voltage5
Screening_Level_Reference_StandardMIL-STD-883 Class B
Seated_Height_Max4.4000
Standby_Current_Max0.000300000000000
Supply_Current_Max80.000000000000000
Supply_Voltage_Max5.50000
Supply_Voltage_Min4.50000
Supply_Voltage_Nom5
Surface_MountNo
Terminal_FormPIN/PEG
Terminal_Pitch2.540
Terminal_PositionPerpendicular
Toggle_BitYes
Write_Cycle_Time_Max_tWC10.0000000000000000

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