W29C022-90B vs W29C020-90A feature comparison

W29C022-90B Winbond Electronics Corp

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W29C020-90A Winbond Electronics Corp

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer WINBOND ELECTRONICS CORP WINBOND ELECTRONICS CORP
Part Package Code DIP DIP
Package Description 0.600 INCH, PLASTIC, DIP-32 DIP,
Pin Count 32 32
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.51 8542.32.00.51
Access Time-Max 90 ns 90 ns
Boot Block BOTTOM/TOP BOTTOM/TOP
JESD-30 Code R-PDIP-T32 R-PDIP-T32
Length 41.91 mm 41.91 mm
Memory Density 2097152 bit 2097152 bit
Memory IC Type FLASH FLASH
Memory Width 8 8
Number of Functions 1 1
Number of Terminals 32 32
Number of Words 262144 words 262144 words
Number of Words Code 256000 256000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Organization 256KX8 256KX8
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP DIP
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Parallel/Serial PARALLEL PARALLEL
Programming Voltage 5 V 5 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.33 mm 5.33 mm
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 COMMERCIAL
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Type NOR TYPE NOR TYPE
Width 15.24 mm 15.24 mm
Write Cycle Time-Max (tWC) 10 ms
Base Number Matches 1 1
Additional Feature 128 BYTE PAGE WRITE; DATA RETENTION= 10 YEARS
Data Retention Time-Min 10
JESD-609 Code e3
Terminal Finish MATTE TIN

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