TC54256AP vs NMC87C257QE200 feature comparison

TC54256AP Toshiba America Electronic Components

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NMC87C257QE200 National Semiconductor Corporation

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Pbfree Code No
Rohs Code No No
Part Life Cycle Code Active Obsolete
Ihs Manufacturer TOSHIBA CORP NATIONAL SEMICONDUCTOR CORP
Part Package Code DIP
Package Description DIP, DIP28,.6 WDIP, DIP28,.6
Pin Count 28
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.71 8542.32.00.61
Access Time-Max 200 ns 200 ns
I/O Type COMMON COMMON
JESD-30 Code R-PDIP-T28 R-GDIP-T28
JESD-609 Code e0 e0
Length 37 mm
Memory Density 262144 bit 262144 bit
Memory IC Type OTP ROM UVPROM
Memory Width 8 8
Number of Functions 1 1
Number of Terminals 28 28
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 CERAMIC, GLASS-SEALED
Package Code DIP WDIP
Package Equivalence Code DIP28,.6 DIP28,.6
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE, WINDOW
Parallel/Serial PARALLEL PARALLEL
Programming Voltage 12.5 V
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.3 mm
Standby Current-Max 0.0001 A 0.0001 A
Supply Current-Max 0.03 mA 0.03 mA
Supply Voltage-Max (Vsup) 5.25 V 5.5 V
Supply Voltage-Min (Vsup) 4.75 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Width 15.24 mm
Base Number Matches 1 2
Additional Feature TTL/CMOS COMPATIBLE INPUT & OUTPUT LEVELS

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