AS7C256L-55SC vs U635H256S2C45 feature comparison

AS7C256L-55SC Alliance Semiconductor Corporation

Buy Now Datasheet

U635H256S2C45 Cypress Semiconductor

Buy Now Datasheet
Pbfree Code No No
Rohs Code No No
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer ALLIANCE SEMICONDUCTOR CORP SIMTEK CORP
Part Package Code SOIC SOIC
Package Description SOP, SOP28,.5 SOP, SOP28,.5
Pin Count 28 28
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.41 8542.32.00.41
Access Time-Max 55 ns 45 ns
I/O Type COMMON
JESD-30 Code R-PDSO-G28 R-PDSO-G28
JESD-609 Code e0 e0
Memory Density 262144 bit 262144 bit
Memory IC Type STANDARD SRAM NON-VOLATILE SRAM
Memory Width 8 8
Number of Functions 1 1
Number of Ports 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 70 °C
Operating Temperature-Min
Organization 32KX8 32KX8
Output Characteristics 3-STATE
Output Enable YES
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Equivalence Code SOP28,.5 SOP28,.5
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Parallel/Serial PARALLEL PARALLEL
Qualification Status Not Qualified Not Qualified
Standby Current-Max 0.00005 A 0.003 A
Standby Voltage-Min 2 V
Supply Current-Max 0.07 mA 0.065 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 COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Base Number Matches 2 3
Alternate Memory Width 1
Peak Reflow Temperature (Cel) 240
Seated Height-Max 2.85 mm
Width 8.405 mm

Compare AS7C256L-55SC with alternatives

Compare U635H256S2C45 with alternatives