X28C256SI-25T1 vs AT28C256F-25SCT/R feature comparison

X28C256SI-25T1 Xicor Inc

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AT28C256F-25SCT/R Atmel Corporation

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Part Life Cycle Code Obsolete Transferred
Ihs Manufacturer XICOR INC ATMEL CORP
Package Description SOP, SOP,
Reach Compliance Code unknown compliant
Access Time-Max 250 ns 250 ns
Additional Feature 100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION AUTOMATIC WRITE
Data Retention Time-Min 100
Endurance 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 85 °C 70 °C
Operating Temperature-Min -40 °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 2.67 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 INDUSTRIAL COMMERCIAL
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Width 7.48 mm 7.5 mm
Write Cycle Time-Max (tWC) 10 ms
Base Number Matches 1 1
Pbfree Code No
Rohs Code No
Part Package Code SOIC
Pin Count 28
ECCN Code EAR99
HTS Code 8542.32.00.51
JESD-609 Code e0
Moisture Sensitivity Level 2
Terminal Finish TIN LEAD

Compare X28C256SI-25T1 with alternatives

Compare AT28C256F-25SCT/R with alternatives