AS7C256-12JC vs KM68257EJ-12 feature comparison

AS7C256-12JC Alliance Semiconductor Corporation

Buy Now Datasheet

KM68257EJ-12 Samsung Semiconductor

Buy Now Datasheet
Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ALLIANCE SEMICONDUCTOR CORP SAMSUNG SEMICONDUCTOR INC
Part Package Code SOJ SOJ
Package Description 0.300 INCH, PLASTIC, SOJ-28 SOJ, SOJ28,.34
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 12 ns 12 ns
I/O Type COMMON COMMON
JESD-30 Code R-PDSO-J28 R-PDSO-J28
JESD-609 Code e0 e0
Memory Density 262144 bit 262144 bit
Memory IC Type STANDARD SRAM STANDARD 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 3-STATE
Output Enable YES
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOJ SOJ
Package Equivalence Code SOJ28,.34 SOJ28,.34
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Parallel/Serial PARALLEL PARALLEL
Peak Reflow Temperature (Cel) 225
Qualification Status Not Qualified Not Qualified
Seated Height-Max 3.556 mm 3.76 mm
Standby Current-Max 0.002 A 0.002 A
Standby Voltage-Min 4.5 V 4.5 V
Supply Current-Max 0.115 mA 0.08 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 (Sn/Pb)
Terminal Form J BEND J BEND
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Width 7.62 mm 7.62 mm
Base Number Matches 1 1
Length 18.42 mm

Compare AS7C256-12JC with alternatives

Compare KM68257EJ-12 with alternatives