AS7C256L-55SC
vs
U635H256S2C45
feature comparison
All Stats
Differences Only
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