AT28BV256-20TU vs M28256-20WNS1 feature comparison

AT28BV256-20TU Atmel Corporation

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M28256-20WNS1 STMicroelectronics

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Pbfree Code Yes No
Rohs Code Yes No
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer ATMEL CORP STMICROELECTRONICS
Part Package Code TSOP1 TSOP
Package Description 8 X 13.40 MM, GREEN, PLASTIC, MO-183, TSOP1-28 8 X 13.40 MM, PLASTIC, TSOP-28
Pin Count 28 28
Reach Compliance Code unknown not_compliant
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.51 8542.32.00.51
Samacsys Manufacturer Microchip
Access Time-Max 200 ns 200 ns
Command User Interface NO NO
Data Polling YES YES
Endurance 10000 Write/Erase Cycles 100000 Write/Erase Cycles
JESD-30 Code R-PDSO-G28 R-PDSO-G28
JESD-609 Code e3 e0
Length 11.8 mm 11.8 mm
Memory Density 262144 bit 262144 bit
Memory IC Type EEPROM EEPROM
Memory Width 8 8
Moisture Sensitivity Level 3
Number of Functions 1 1
Number of Terminals 28 28
Number of Words 32768 words 32768 words
Number of Words Code 32000 32000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
Organization 32KX8 32KX8
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code TSOP1 TSOP1
Package Equivalence Code TSSOP28,.53,22 TSSOP28,.53,22
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE, THIN PROFILE SMALL OUTLINE, THIN PROFILE
Page Size 64 words 64 words
Parallel/Serial PARALLEL PARALLEL
Peak Reflow Temperature (Cel) 260
Programming Voltage 3 V 3 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 1.2 mm 1.2 mm
Standby Current-Max 0.00005 A 0.00002 A
Supply Current-Max 0.015 mA 0.015 mA
Supply Voltage-Max (Vsup) 3.6 V 3.6 V
Supply Voltage-Min (Vsup) 2.7 V 2.7 V
Supply Voltage-Nom (Vsup) 3 V 3 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Finish MATTE TIN TIN LEAD
Terminal Form GULL WING GULL WING
Terminal Pitch 0.55 mm 0.55 mm
Terminal Position DUAL DUAL
Toggle Bit YES YES
Width 8 mm 8 mm
Write Cycle Time-Max (tWC) 10 ms 5 ms
Base Number Matches 1 2
Output Characteristics 3-STATE

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Compare M28256-20WNS1 with alternatives