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AT28C256E-20LM/883 Tech Specifications

Category Memory
Manufacturer Microchip
Factory Lead Time 23 Weeks
Contact Plating Lead, Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 32-CLCC
Number of Pins 32Pins
Memory Types Non-Volatile
Usage Level Military grade
Operating Temperature -55°C~125°C TC
Packaging Tube
Published 1997
JESD-609 Code e0
Pbfree Code no
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 32Terminations
Terminal Finish TIN LEAD
Additional Feature AUTOMATIC WRITE
Voltage - Supply 4.5V~5.5V
Terminal Position QUAD
Peak Reflow Temperature (Cel) 225
Number of Functions 1Function
Supply Voltage 5V
Terminal Pitch 1.27mm
Frequency 200GHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number AT28C256
Qualification Status Not Qualified
Operating Supply Voltage 5V
Power Supplies 5V
Interface Parallel, SPI
Memory Size 256Kb 32K x 8
Nominal Supply Current 50mA
Operating Mode ASYNCHRONOUS
Access Time 200ns
Memory Format EEPROM
Memory Interface Parallel
Output Characteristics 3-STATE
Memory Width 8
Write Cycle Time - Word, Page 10ms
Density 256 kb
Standby Current-Max 0.0003A
Screening Level MIL-STD-883 Class C
Programming Voltage 5V
Endurance 100000 Write/Erase Cycles
Write Cycle Time-Max (tWC) 10ms
Data Polling YES
Toggle Bit YES
Page Size 64words
Length 13.97mm
Height Seated (Max) 2.54mm
Width 11.43mm
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
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