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AT28HC256-12UM vs AT28HC256-12UC feature comparison

AT28HC256-12UM Microchip Technology Inc

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AT28HC256-12UC Atmel Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer MICROCHIP TECHNOLOGY INC ATMEL CORP
Package Description CERAMIC, PGA-28 PGA, PGA28(UNSPEC)
Reach Compliance Code unknown compliant
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.51 8542.32.00.51
Access Time-Max 120 ns 120 ns
Additional Feature AUTOMATIC WRITE HARDWARE & SOFTWARE DATA PROTECTION; DATA RETENTION = 10 YEARS
Command User Interface NO NO
Data Polling YES YES
Endurance 10000 Write/Erase Cycles 10000 Write/Erase Cycles
JESD-30 Code R-CPGA-P28 R-CPGA-P28
JESD-609 Code e0 e0
Length 16.5 mm 16.5 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 85 °C 70 °C
Operating Temperature-Min -40 °C
Organization 32KX8 32KX8
Output Characteristics 3-STATE 3-STATE
Package Body Material CERAMIC, METAL-SEALED COFIRED CERAMIC, METAL-SEALED COFIRED
Package Code PGA PGA
Package Equivalence Code PGA28(UNSPEC) PGA28(UNSPEC)
Package Shape RECTANGULAR RECTANGULAR
Package Style GRID ARRAY GRID ARRAY
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
Seated Height-Max 4.4 mm 4.4 mm
Standby Current-Max 0.06 A 0.06 A
Supply Current-Max 0.133 mA 0.08 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 INDUSTRIAL COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form PIN/PEG PIN/PEG
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position PERPENDICULAR PERPENDICULAR
Toggle Bit YES YES
Width 14 mm 14 mm
Write Cycle Time-Max (tWC) 10 ms 10 ms
Base Number Matches 2 1
Pbfree Code No
Part Package Code PGA
Pin Count 28
Data Retention Time-Min 10
Memory » EEPROMs
Memory » EEPROMs

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