AT29C256-12JC vs AT29C257-12JCT/R feature comparison

AT29C256-12JC Atmel Corporation

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AT29C257-12JCT/R Atmel Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code QFJ QFJ
Package Description PLASTIC, MS-016AE, LCC-32 PLASTIC, LCC-32
Pin Count 32 32
Reach Compliance Code compliant compliant
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.51 8542.32.00.51
Samacsys Manufacturer Microchip
Access Time-Max 120 ns 120 ns
Additional Feature AUTOMATIC WRITE; HARDWARE & SOFTWARE DATA PROTECTION AUTOMATIC WRITE
Command User Interface NO
Data Polling YES
JESD-30 Code R-PQCC-J32 R-PQCC-J32
JESD-609 Code e0 e0
Length 13.97 mm 13.97 mm
Memory Density 262144 bit 262144 bit
Memory IC Type FLASH FLASH
Memory Width 8 8
Moisture Sensitivity Level 2 2
Number of Functions 1 1
Number of Sectors/Size 512
Number of Terminals 32 32
Number of Words 32768 words 32768 words
Number of Words Code 32000 32000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Organization 32KX8 32KX8
Output Characteristics 3-STATE 3-STATE
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 64 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 3.55 mm
Sector Size 64
Standby Current-Max 0.0003 A
Supply Current-Max 0.05 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 COMMERCIAL COMMERCIAL
Terminal Finish Tin/Lead (Sn/Pb) TIN LEAD
Terminal Form J BEND J BEND
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD QUAD
Time@Peak Reflow Temperature-Max (s) 12
Toggle Bit YES
Type NOR TYPE NOR TYPE
Width 11.43 mm 11.43 mm
Write Cycle Time-Max (tWC) 10 ms
Base Number Matches 2 1
Pbfree Code No

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