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M27C256B-90XB7 vs M87C257-90X3X feature comparison

M27C256B-90XB7 STMicroelectronics

Buy Now Datasheet

M87C257-90X3X STMicroelectronics

Buy Now Datasheet
Pbfree Code No
Rohs Code No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer STMICROELECTRONICS STMICROELECTRONICS
Package Description DIP, DIP28,.6 QCCJ,
Reach Compliance Code not_compliant unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.71 8542.32.00.71
Access Time-Max 90 ns 55 ns
I/O Type COMMON
JESD-30 Code R-PDIP-T28 R-PQCC-J32
JESD-609 Code e0
Memory Density 67108864 bit 65536 bit
Memory IC Type OTP ROM OTP ROM
Memory Width 8 8
Number of Functions 1 1
Number of Terminals 28 32
Number of Words 32768 words 32768 words
Number of Words Code 8000000 8000
Operating Mode SYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 105 °C 125 °C
Operating Temperature-Min -40 °C -40 °C
Organization 8MX8 8KX8
Output Characteristics 3-STATE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP QCCJ
Package Equivalence Code DIP28,.6
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE CHIP CARRIER
Parallel/Serial PARALLEL PARALLEL
Programming Voltage 12.75 V
Qualification Status Not Qualified Not Qualified
Standby Current-Max 0.0001 A
Supply Current-Max 0.03 mA 0.03 mA
Supply Voltage-Max (Vsup) 3.6 V 3.6 V
Supply Voltage-Min (Vsup) 3 V 3 V
Supply Voltage-Nom (Vsup) 3.3 V 3.3 V
Surface Mount NO YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL AUTOMOTIVE
Terminal Finish TIN LEAD
Terminal Form THROUGH-HOLE J BEND
Terminal Pitch 2.54 mm
Terminal Position DUAL QUAD
Base Number Matches 1 1
Memory » OTP ROMs
Memory » OTP ROMs

Compare M27C256B-90XB7 with alternatives

Compare M87C257-90X3X with alternatives