U634H256D1K45
vs
U635H256DK25
feature comparison
All Stats
Differences Only
Pbfree Code
No
No
Rohs Code
No
No
Part Life Cycle Code
Transferred
Transferred
Ihs Manufacturer
ZENTRUM MIKROELEKTRONIK DRESDEN AG
ZENTRUM MIKROELEKTRONIK DRESDEN AG
Part Package Code
DIP
DIP
Package Description
DIP, DIP32,.6
DIP, DIP28,.3
Pin Count
32
28
Reach Compliance Code
compliant
compliant
ECCN Code
EAR99
EAR99
HTS Code
8542.32.00.41
8542.32.00.41
Access Time-Max
45 ns
25 ns
JESD-30 Code
R-PDIP-T32
R-PDIP-T28
JESD-609 Code
e0
e0
Length
41.91 mm
34.7 mm
Memory Density
262144 bit
262144 bit
Memory IC Type
NON-VOLATILE SRAM
NON-VOLATILE SRAM
Memory Width
8
8
Moisture Sensitivity Level
3
3
Number of Functions
1
1
Number of Ports
1
1
Number of Terminals
32
28
Number of Words
32768 words
32768 words
Number of Words Code
32000
32000
Operating Mode
ASYNCHRONOUS
ASYNCHRONOUS
Operating Temperature-Max
85 °C
85 °C
Operating Temperature-Min
-40 °C
-40 °C
Organization
32KX8
32KX8
Output Characteristics
3-STATE
3-STATE
Output Enable
YES
YES
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
DIP
DIP
Package Equivalence Code
DIP32,.6
DIP28,.3
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
IN-LINE
Parallel/Serial
PARALLEL
PARALLEL
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
4.83 mm
5.1 mm
Standby Current-Max
0.003 A
0.042 A
Supply Current-Max
0.07 mA
0.1 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
INDUSTRIAL
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
7.62 mm
Base Number Matches
2
2
Alternate Memory Width
1
Compare U634H256D1K45 with alternatives
Compare U635H256DK25 with alternatives