X88257SMT1 vs X28HC256S-12T1 feature comparison

X88257SMT1 Xicor Inc

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X28HC256S-12T1 Xicor Inc

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Part Life Cycle Code Obsolete Transferred
Ihs Manufacturer XICOR INC XICOR INC
Package Description SOP, SOP,
Reach Compliance Code unknown unknown
Access Time-Max 120 ns 120 ns
Additional Feature 10000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION; SOFTWARE DATA PROTECTION 100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION
Data Retention Time-Min 100 100
Endurance 10000 Write/Erase Cycles 100000 Write/Erase Cycles
JESD-30 Code R-PDSO-G28 R-PDSO-G28
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 125 °C 70 °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 Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Parallel/Serial PARALLEL PARALLEL
Programming Voltage 5 V 5 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 2.65 mm 2.65 mm
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 MILITARY COMMERCIAL
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Width 7.5 mm 7.5 mm
Base Number Matches 1 2
Write Cycle Time-Max (tWC) 5 ms

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