AT27C256R-70JK vs M87C257-70X7TR feature comparison

AT27C256R-70JK Atmel Corporation

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M87C257-70X7TR STMicroelectronics

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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer ATMEL CORP STMICROELECTRONICS
Part Package Code QFJ
Package Description QCCJ, QCCJ,
Pin Count 32
Reach Compliance Code compliant unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.71 8542.32.00.71
Access Time-Max 70 ns 40 ns
JESD-30 Code R-PQCC-J32 R-PQCC-J32
JESD-609 Code e3
Length 13.97 mm
Memory Density 262144 bit 262144 bit
Memory IC Type OTP ROM OTP ROM
Memory Width 8 8
Moisture Sensitivity Level 3
Number of Functions 1 1
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 125 °C 105 °C
Operating Temperature-Min -40 °C -40 °C
Organization 32KX8 32KX8
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code QCCJ QCCJ
Package Shape RECTANGULAR RECTANGULAR
Package Style CHIP CARRIER CHIP CARRIER
Parallel/Serial PARALLEL PARALLEL
Qualification Status Not Qualified Not Qualified
Seated Height-Max 3.556 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 YES YES
Technology CMOS CMOS
Temperature Grade AUTOMOTIVE INDUSTRIAL
Terminal Finish MATTE TIN
Terminal Form J BEND J BEND
Terminal Pitch 1.27 mm
Terminal Position QUAD QUAD
Width 11.43 mm
Base Number Matches 2 1
Supply Current-Max 0.03 mA

Compare AT27C256R-70JK with alternatives

Compare M87C257-70X7TR with alternatives