M27C256B-15XN7TR vs M27C256B-20N7X feature comparison

M27C256B-15XN7TR STMicroelectronics

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M27C256B-20N7X STMicroelectronics

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer STMICROELECTRONICS STMICROELECTRONICS
Part Package Code TSOP TSOP
Package Description LSSOP, LSSOP,
Pin Count 28 28
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.71 8542.32.00.71
Access Time-Max 150 ns 150 ns
JESD-30 Code R-PDSO-G28 R-PDSO-G28
Length 11.8 mm 11.8 mm
Memory Density 1024 bit 4096 bit
Memory IC Type OTP ROM OTP ROM
Memory Width 4 8
Number of Functions 1 1
Number of Terminals 28 28
Number of Words 32768 words 32768 words
Number of Words Code 256 512
Operating Mode ASYNCHRONOUS ASYNCHRONOUS
Operating Temperature-Max 105 °C 105 °C
Operating Temperature-Min -40 °C -40 °C
Organization 256X4 512X8
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code LSSOP LSSOP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Parallel/Serial PARALLEL PARALLEL
Qualification Status Not Qualified Not Qualified
Seated Height-Max 1.25 mm 1.25 mm
Supply Current-Max 0.03 mA 0.03 mA
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Form GULL WING GULL WING
Terminal Pitch 0.55 mm 0.55 mm
Terminal Position DUAL DUAL
Width 8 mm 8 mm
Base Number Matches 1 1

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