AT29C040A-90JI vs W29C042P-90 feature comparison

AT29C040A-90JI Atmel Corporation

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W29C042P-90 Winbond Electronics Corp

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Rohs Code No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP WINBOND ELECTRONICS CORP
Part Package Code QFJ QFJ
Package Description PLASTIC, MS-016AE, LCC-32 PLASTIC, LCC-32
Pin Count 32 32
Reach Compliance Code compliant unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.51 8542.32.00.51
Samacsys Manufacturer Microchip
Access Time-Max 90 ns 90 ns
Boot Block BOTTOM/TOP BOTTOM/TOP
Command User Interface NO
Data Polling YES
JESD-30 Code R-PQCC-J32 R-PQCC-J32
JESD-609 Code e0
Length 13.97 mm 13.97 mm
Memory Density 4194304 bit 4194304 bit
Memory IC Type FLASH FLASH
Memory Width 8 8
Moisture Sensitivity Level 2
Number of Functions 1 1
Number of Sectors/Size 2K
Number of Terminals 32 32
Number of Words 524288 words 524288 words
Number of Words Code 512000 512000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
Organization 512KX8 512KX8
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code QCCJ QCCJ
Package Equivalence Code LDCC32,.5X.6
Package Shape RECTANGULAR RECTANGULAR
Package Style CHIP CARRIER CHIP CARRIER
Page Size 256 words
Parallel/Serial PARALLEL PARALLEL
Peak Reflow Temperature (Cel) 225
Programming Voltage 5 V 5 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 3.556 mm 3.56 mm
Sector Size 256
Standby Current-Max 0.0003 A
Supply Current-Max 0.04 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 YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Finish TIN LEAD
Terminal Form J BEND J BEND
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD QUAD
Toggle Bit YES
Type NOR TYPE NOR TYPE
Width 11.43 mm 11.43 mm
Write Cycle Time-Max (tWC) 10 ms 10 ms
Base Number Matches 1 1

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