M28256-15MS1T vs X28C256SM-20 feature comparison

M28256-15MS1T STMicroelectronics

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X28C256SM-20 Xicor Inc

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Pbfree Code Yes
Rohs Code Yes No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer STMICROELECTRONICS XICOR INC
Part Package Code SOIC
Package Description 0.300 INCH, PLASTIC, SO-28 SOP, SOP28,.4
Pin Count 28
Reach Compliance Code compliant unknown
ECCN Code EAR99
HTS Code 8542.32.00.51
Access Time-Max 150 ns 200 ns
Command User Interface NO NO
Data Polling YES YES
Endurance 100000 Write/Erase Cycles 100000 Write/Erase Cycles
JESD-30 Code R-PDSO-G28 R-PDSO-G28
JESD-609 Code e3 e0
Length 17.9 mm 17.9 mm
Memory Density 262144 bit 262144 bit
Memory IC Type EEPROM EEPROM
Memory Width 8 8
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 70 °C 125 °C
Operating Temperature-Min -55 °C
Organization 32KX8 32KX8
Output Characteristics 3-STATE 3-STATE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Equivalence Code SOP28,.4 SOP28,.4
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Page Size 64 words 64 words
Parallel/Serial PARALLEL PARALLEL
Programming Voltage 5 V 5 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 2.65 mm 2.67 mm
Standby Current-Max 0.0001 A 0.0005 A
Supply Current-Max 0.03 mA 0.06 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 YES YES
Technology CMOS CMOS
Temperature Grade COMMERCIAL MILITARY
Terminal Finish MATTE TIN TIN LEAD
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Toggle Bit YES YES
Width 7.5 mm 7.48 mm
Write Cycle Time-Max (tWC) 5 ms 10 ms
Base Number Matches 1 1
Additional Feature 100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION
Data Retention Time-Min 100
Screening Level MIL-STD-883

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