M27C256B-12XF7X vs M27C256B-12XF1 feature comparison

M27C256B-12XF7X STMicroelectronics

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M27C256B-12XF1 STMicroelectronics

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer STMICROELECTRONICS STMICROELECTRONICS
Part Package Code DIP DIP
Package Description WDIP, 0.280 INCH, LEAD FREE, CERAMIC, WINDOWED, FRIT SEALED, DIP-28
Pin Count 28 28
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.61 8542.32.00.61
Access Time-Max 120 ns 120 ns
JESD-30 Code R-GDIP-T28 R-CDIP-T28
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 105 °C 70 °C
Operating Temperature-Min -40 °C
Organization 32KX8 32KX8
Package Body Material CERAMIC, GLASS-SEALED CERAMIC, METAL-SEALED COFIRED
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 5.71 mm 5.72 mm
Supply Current-Max 0.03 mA 0.03 mA
Supply Voltage-Max (Vsup) 5.25 V 5.25 V
Supply Voltage-Min (Vsup) 4.75 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
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
Rohs Code Yes
I/O Type COMMON
JESD-609 Code e3
Length 36.92 mm
Output Characteristics 3-STATE
Package Equivalence Code DIP28,.6
Programming Voltage 12.75 V
Standby Current-Max 0.0002 A
Terminal Finish MATTE TIN

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