UPD27C256AD-20 vs CY27C256A-200WMB feature comparison

UPD27C256AD-20 NEC Electronics Group

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CY27C256A-200WMB Rochester Electronics LLC

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Pbfree Code No No
Rohs Code No No
Part Life Cycle Code Obsolete Contact Manufacturer
Ihs Manufacturer NEC ELECTRONICS CORP ROCHESTER ELECTRONICS LLC
Part Package Code DIP DIP
Package Description WDIP, 0.600 INCH, HERMETIC SEALED, WINDOWED, CERDIP-28
Pin Count 28 28
Reach Compliance Code compliant unknown
ECCN Code EAR99 3A001.A.2.C
HTS Code 8542.32.00.61 8542.32.00.61
Access Time-Max 200 ns 200 ns
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 125 °C
Operating Temperature-Min -55 °C
Organization 32KX8 32KX8
Package Body Material CERAMIC, GLASS-SEALED CERAMIC, GLASS-SEALED
Package Code WDIP WDIP
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE, WINDOW IN-LINE, WINDOW
Parallel/Serial PARALLEL PARALLEL
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 5.715 mm
Supply Current-Max 0.03 mA 0.055 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 MILITARY
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 15.24 mm
Base Number Matches 1 1
Length 37.338 mm

Compare UPD27C256AD-20 with alternatives

Compare CY27C256A-200WMB with alternatives