NMC87C257Q200 vs DE27C256-20 feature comparison

NMC87C257Q200 National Semiconductor Corporation

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DE27C256-20 LSI Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP SEEQ TECHNOLOGY INC
Package Description WDIP, DIP28,.6 DIP, DIP28,.6
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.61 8542.32.00.61
Access Time-Max 200 ns 200 ns
Additional Feature TTL/CMOS COMPATIBLE INPUT & OUTPUT LEVELS
I/O Type COMMON COMMON
JESD-30 Code R-GDIP-T28 R-GDIP-T28
JESD-609 Code e0 e0
Memory Density 262144 bit 262144 bit
Memory IC Type UVPROM 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 70 °C 85 °C
Operating Temperature-Min -40 °C
Organization 32KX8 32KX8
Output Characteristics 3-STATE 3-STATE
Package Body Material CERAMIC, GLASS-SEALED CERAMIC, GLASS-SEALED
Package Code WDIP DIP
Package Equivalence Code DIP28,.6 DIP28,.6
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE, WINDOW IN-LINE
Parallel/Serial PARALLEL PARALLEL
Qualification Status Not Qualified Not Qualified
Standby Current-Max 0.0001 A 0.002 A
Supply Current-Max 0.03 mA 0.05 mA
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade COMMERCIAL 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
Base Number Matches 1 1
Programming Voltage 12.5 V

Compare NMC87C257Q200 with alternatives

Compare DE27C256-20 with alternatives