CY7C421-20DC
vs
CY7C421-20DMB
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
CYPRESS SEMICONDUCTOR CORP
CYPRESS SEMICONDUCTOR CORP
Part Package Code
DIP
DIP
Package Description
0.300 INCH, CERDIP-28
0.300 INCH, CERDIP-28
Pin Count
28
28
Reach Compliance Code
not_compliant
not_compliant
ECCN Code
EAR99
EAR99
HTS Code
8542.32.00.71
8542.32.00.71
Access Time-Max
20 ns
20 ns
Additional Feature
RETRANSMIT
RETRANSMIT
Clock Frequency-Max (fCLK)
33.33 MHz
33.33 MHz
Cycle Time
30 ns
30 ns
JESD-30 Code
R-GDIP-T28
R-GDIP-T28
JESD-609 Code
e0
e0
Length
37.0205 mm
37.0205 mm
Memory Density
4608 bit
4608 bit
Memory IC Type
OTHER FIFO
OTHER FIFO
Memory Width
9
9
Number of Functions
1
1
Number of Terminals
28
28
Number of Words
512 words
512 words
Number of Words Code
512
512
Operating Mode
ASYNCHRONOUS
ASYNCHRONOUS
Operating Temperature-Max
70 °C
125 °C
Operating Temperature-Min
-55 °C
Organization
512X9
512X9
Output Characteristics
3-STATE
3-STATE
Output Enable
NO
NO
Package Body Material
CERAMIC, GLASS-SEALED
CERAMIC, GLASS-SEALED
Package Code
DIP
DIP
Package Equivalence Code
DIP28,.3
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
5.08 mm
5.08 mm
Standby Current-Max
0.025 A
0.008 A
Supply Current-Max
0.142 mA
0.09 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
COMMERCIAL
MILITARY
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
7.62 mm
7.62 mm
Base Number Matches
1
2
Screening Level
38535Q/M;38534H;883B
Compare CY7C421-20DC with alternatives
Compare CY7C421-20DMB with alternatives