U62256AS2A07 vs UPD43257BGU-70L feature comparison

U62256AS2A07 Alliance Memory Inc

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UPD43257BGU-70L NEC Electronics Group

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Pbfree Code No
Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ALLIANCE MEMORY INC NEC ELECTRONICS CORP
Part Package Code SOIC SOIC
Package Description SOP, 0.450 INCH, PLASTIC, SOP-28
Pin Count 28 28
Reach Compliance Code compliant compliant
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.41 8542.32.00.41
Access Time-Max 70 ns 70 ns
JESD-30 Code R-PDSO-G28 R-PDSO-G28
Length 18.1 mm 18 mm
Memory Density 262144 bit 262144 bit
Memory IC Type STANDARD SRAM STANDARD SRAM
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 -40 °C
Organization 32KX8 32KX8
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
Peak Reflow Temperature (Cel) 240
Qualification Status Not Qualified Not Qualified
Seated Height-Max 2.54 mm 2.95 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 AUTOMOTIVE COMMERCIAL
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 8.75 mm 8.4 mm
Base Number Matches 2 4
Additional Feature BATTERY BACKUP
JESD-609 Code e0
Terminal Finish TIN LEAD

Compare U62256AS2A07 with alternatives

Compare UPD43257BGU-70L with alternatives