27C256T-12I/L vs M87C257-12X1TR feature comparison

27C256T-12I/L Microchip Technology Inc

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M87C257-12X1TR STMicroelectronics

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer MICROCHIP TECHNOLOGY INC STMICROELECTRONICS
Part Package Code QFJ
Package Description PLASTIC, LCC-32 QCCJ,
Pin Count 32
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.71 8542.32.00.71
Access Time-Max 120 ns 45 ns
JESD-30 Code R-PQCC-J32 R-PQCC-J32
Length 13.97 mm
Memory Density 262144 bit 65536 bit
Memory IC Type EPROM 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 32000 8000
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
Organization 32KX8 8KX8
Output Characteristics 3-STATE
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 Current-Max 0.025 mA 0.03 mA
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Form J BEND J BEND
Terminal Pitch 1.27 mm
Terminal Position QUAD QUAD
Width 11.43 mm
Base Number Matches 1 1

Compare 27C256T-12I/L with alternatives

Compare M87C257-12X1TR with alternatives