AT27C256R-45JU vs M27C256B-45K6X feature comparison

AT27C256R-45JU Atmel Corporation

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M27C256B-45K6X STMicroelectronics

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Pbfree Code Yes
Rohs Code Yes Yes
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer ATMEL CORP STMICROELECTRONICS
Part Package Code QFJ QFJ
Package Description GREEN, PLASTIC, MS-016AE, LCC-32 PLASTIC, LCC-32
Pin Count 32 32
Reach Compliance Code unknown compliant
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.71 8542.32.00.71
Samacsys Manufacturer Microchip
Access Time-Max 45 ns 45 ns
I/O Type COMMON COMMON
JESD-30 Code R-PQCC-J32 R-PQCC-J32
JESD-609 Code e3 e3
Length 13.97 mm 13.995 mm
Memory Density 262144 bit 262144 bit
Memory IC Type OTP ROM OTP ROM
Memory Width 8 8
Moisture Sensitivity Level 2
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 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
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 LDCC32,.5X.6
Package Shape RECTANGULAR RECTANGULAR
Package Style CHIP CARRIER CHIP CARRIER
Parallel/Serial PARALLEL PARALLEL
Peak Reflow Temperature (Cel) 245
Programming Voltage 13 V 12.75 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 3.556 mm 3.56 mm
Standby Current-Max 0.0001 A 0.0001 A
Supply Current-Max 0.02 mA 0.03 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 INDUSTRIAL
Terminal Finish Matte Tin (Sn) MATTE TIN
Terminal Form J BEND J BEND
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD QUAD
Time@Peak Reflow Temperature-Max (s) 40
Width 11.43 mm 11.455 mm
Base Number Matches 1 2

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