AT28HC256-12UM/883 vs M28256-12BS1 feature comparison

AT28HC256-12UM/883 Atmel Corporation

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M28256-12BS1 STMicroelectronics

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Pbfree Code No
Rohs Code No Yes
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer ATMEL CORP STMICROELECTRONICS
Part Package Code PGA DIP
Package Description PGA, PGA28(UNSPEC) 0.600 INCH, PLASTIC, DIP-28
Pin Count 28 28
Reach Compliance Code compliant compliant
ECCN Code 3A001.A.2.C EAR99
HTS Code 8542.32.00.51 8542.32.00.51
Access Time-Max 120 ns 120 ns
Additional Feature AUTOMATIC WRITE
Command User Interface NO NO
Data Polling YES YES
Endurance 10000 Write/Erase Cycles 100000 Write/Erase Cycles
JESD-30 Code R-CPGA-P28 R-PDIP-T28
JESD-609 Code e0 e3
Length 16.5 mm 36.02 mm
Memory Density 262144 bit 262144 bit
Memory IC Type EEPROM EEPROM
Memory Width 8 8
Moisture Sensitivity Level 1
Number of Functions 1 1
Number of Terminals 28 28
Number of Words 32768 words 32768 words
Number of Words Code 32000 32000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 125 °C 70 °C
Operating Temperature-Min -55 °C
Organization 32KX8 32KX8
Output Characteristics 3-STATE 3-STATE
Package Body Material CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY
Package Code PGA DIP
Package Equivalence Code PGA28(UNSPEC) DIP28,.6
Package Shape RECTANGULAR RECTANGULAR
Package Style GRID ARRAY IN-LINE
Page Size 64 words 64 words
Parallel/Serial PARALLEL PARALLEL
Programming Voltage 5 V 5 V
Qualification Status Not Qualified Not Qualified
Screening Level MIL-STD-883 Class B
Seated Height-Max 4.4 mm 5.08 mm
Standby Current-Max 0.0003 A 0.0001 A
Supply Current-Max 0.08 mA 0.03 mA
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade MILITARY COMMERCIAL
Terminal Finish TIN LEAD MATTE TIN
Terminal Form PIN/PEG THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position PERPENDICULAR DUAL
Toggle Bit YES YES
Width 14 mm 15.24 mm
Write Cycle Time-Max (tWC) 10 ms 5 ms
Base Number Matches 2 1

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