M27C256B-12F1
vs
AT27LV256R-12DI
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
STMICROELECTRONICS
ATMEL CORP
Part Package Code
DIP
DIP
Package Description
0.280 INCH, LEAD FREE, CERAMIC, WINDOWED, FRIT SEALED, DIP-28
WDIP, DIP28,.6
Pin Count
28
28
Reach Compliance Code
unknown
unknown
ECCN Code
EAR99
EAR99
HTS Code
8542.32.00.61
8542.32.00.61
Samacsys Manufacturer
STMicroelectronics
Access Time-Max
120 ns
120 ns
I/O Type
COMMON
COMMON
JESD-30 Code
R-CDIP-T28
R-GDIP-T28
JESD-609 Code
e3
e0
Length
36.92 mm
37.25 mm
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, METAL-SEALED COFIRED
CERAMIC, GLASS-SEALED
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
Programming Voltage
12.75 V
13 V
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
5.72 mm
5.72 mm
Standby Current-Max
0.0001 A
0.00002 A
Supply Current-Max
0.03 mA
0.025 mA
Supply Voltage-Max (Vsup)
5.5 V
5.5 V
Supply Voltage-Min (Vsup)
4.5 V
3 V
Supply Voltage-Nom (Vsup)
5 V
5 V
Surface Mount
NO
NO
Technology
CMOS
CMOS
Temperature Grade
COMMERCIAL
INDUSTRIAL
Terminal Finish
MATTE TIN
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
Pbfree Code
Compare M27C256B-12F1 with alternatives
Compare AT27LV256R-12DI with alternatives