X28C256SM-35T1 vs M28256-20MS1T feature comparison

X28C256SM-35T1 Xicor Inc

Buy Now Datasheet

M28256-20MS1T STMicroelectronics

Buy Now Datasheet
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer XICOR INC STMICROELECTRONICS
Package Description SOP, 0.300 INCH, PLASTIC, SO-28
Reach Compliance Code unknown compliant
Access Time-Max 350 ns 200 ns
Additional Feature 100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION
Data Retention Time-Min 100
Endurance 100000 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 2.67 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 MILITARY 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 5 ms
Base Number Matches 1 1
Pbfree Code Yes
Rohs Code Yes
Part Package Code SOIC
Pin Count 28
ECCN Code EAR99
HTS Code 8542.32.00.51
Command User Interface NO
Data Polling YES
JESD-609 Code e3
Package Equivalence Code SOP28,.4
Page Size 64 words
Standby Current-Max 0.0001 A
Supply Current-Max 0.03 mA
Terminal Finish MATTE TIN
Toggle Bit YES

Compare X28C256SM-35T1 with alternatives

Compare M28256-20MS1T with alternatives