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M87C257-90X3X vs M27C256B-90C6F feature comparison

M87C257-90X3X STMicroelectronics

Buy Now Datasheet

M27C256B-90C6F STMicroelectronics

Buy Now Datasheet
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer STMICROELECTRONICS STMICROELECTRONICS
Package Description QCCJ, QCCJ,
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.71 8542.32.00.71
Access Time-Max 55 ns 90 ns
JESD-30 Code R-PQCC-J32 R-PQCC-J32
Memory Density 65536 bit 262144 bit
Memory IC Type OTP ROM OTP ROM
Memory Width 8 8
Number of Functions 1 1
Number of Terminals 32 32
Number of Words 32768 words 32768 words
Number of Words Code 8000 32000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 125 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
Organization 8KX8 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
Supply Current-Max 0.03 mA
Supply Voltage-Max (Vsup) 3.6 V 5.5 V
Supply Voltage-Min (Vsup) 3 V 4.5 V
Supply Voltage-Nom (Vsup) 3.3 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade AUTOMOTIVE INDUSTRIAL
Terminal Form J BEND J BEND
Terminal Position QUAD QUAD
Base Number Matches 1 1
Part Package Code QFJ
Pin Count 32
Length 13.97 mm
Seated Height-Max 3.56 mm
Terminal Pitch 1.27 mm
Width 11.43 mm
Memory » OTP ROMs
Memory » OTP ROMs

Compare M87C257-90X3X with alternatives

Compare M27C256B-90C6F with alternatives