U637H256D1K25
vs
U631H256CD1C25
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
SIMTEK CORP
SIMTEK CORP
Package Description
DIP, DIP28,.6
DIP, DIP28,.6
Reach Compliance Code
unknown
unknown
ECCN Code
EAR99
EAR99
HTS Code
8542.32.00.41
8542.32.00.41
Access Time-Max
25 ns
25 ns
JESD-30 Code
R-PDIP-T28
R-PDIP-T28
JESD-609 Code
e0
e0
Length
37.1 mm
37.1 mm
Memory Density
262144 bit
262144 bit
Memory IC Type
NON-VOLATILE SRAM
NON-VOLATILE 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
85 °C
70 °C
Operating Temperature-Min
-40 °C
Organization
32KX8
32KX8
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
DIP
DIP
Package Equivalence Code
DIP28,.6
DIP28,.6
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
IN-LINE
Parallel/Serial
PARALLEL
PARALLEL
Peak Reflow Temperature (Cel)
240
240
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
5.1 mm
5.1 mm
Standby Current-Max
0.003 A
0.001 A
Supply Current-Max
0.1 mA
0.095 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
NO
NO
Technology
CMOS
CMOS
Temperature Grade
INDUSTRIAL
COMMERCIAL
Terminal Finish
TIN LEAD
TIN LEAD
Terminal Form
THROUGH-HOLE
THROUGH-HOLE
Terminal Pitch
2.54 mm
2.54 mm
Terminal Position
DUAL
DUAL
Width
15.24 mm
15.24 mm
Base Number Matches
3
3
Pbfree Code
Part Package Code
DIP
Pin Count
28
Compare U637H256D1K25 with alternatives
Compare U631H256CD1C25 with alternatives