CY7C421-20DC vs CY7C421-20DMB feature comparison

CY7C421-20DC Cypress Semiconductor

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CY7C421-20DMB Cypress Semiconductor

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Rohs Code No No
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

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