TMS87C257-150JE vs M27C256B-20XF1 feature comparison

TMS87C257-150JE Texas Instruments

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M27C256B-20XF1 STMicroelectronics

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Rohs Code No Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC STMICROELECTRONICS
Part Package Code DIP DIP
Package Description WDIP, DIP28,.6 0.280 INCH, LEAD FREE, CERAMIC, WINDOWED, FRIT SEALED, DIP-28
Pin Count 28 28
Reach Compliance Code not_compliant compliant
ECCN Code EAR99 EAR99
HTS Code 8542.32.00.61 8542.32.00.61
Access Time-Max 150 ns 150 ns
I/O Type COMMON COMMON
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 85 °C 70 °C
Operating Temperature-Min -40 °C
Organization 32KX8 32KX8
Output Characteristics 3-STATE 3-STATE
Package Body Material CERAMIC, GLASS-SEALED CERAMIC, METAL-SEALED COFIRED
Package Code WDIP WDIP
Package Equivalence Code DIP28,.6 DIP28,.6
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE, WINDOW IN-LINE, WINDOW
Parallel/Serial PARALLEL PARALLEL
Peak Reflow Temperature (Cel) NOT SPECIFIED
Qualification Status Not Qualified Not Qualified
Seated Height-Max 4.907 mm 5.72 mm
Standby Current-Max 0.00025 A 0.0002 A
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
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 15.24 mm 15.24 mm
Base Number Matches 1 2
JESD-609 Code e3
Length 36.92 mm
Programming Voltage 12.75 V
Terminal Finish MATTE TIN

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