M87C257-12F6X
vs
AT27C256R-17LC
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
STMICROELECTRONICS
ATMEL CORP
Part Package Code
DIP
QFJ
Package Description
WINDOWED, FRIT SEALED, CERAMIC, DIP-28
WQCCN, LCC32,.45X.55
Pin Count
28
32
Reach Compliance Code
compliant
unknown
ECCN Code
EAR99
EAR99
HTS Code
8542.32.00.61
8542.32.00.61
Access Time-Max
120 ns
170 ns
I/O Type
COMMON
COMMON
JESD-30 Code
R-GDIP-T28
R-CQCC-N32
JESD-609 Code
e3
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
32
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
WQCCN
Package Equivalence Code
DIP28,.6
LCC32,.45X.55
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE, WINDOW
CHIP CARRIER, WINDOW
Parallel/Serial
PARALLEL
PARALLEL
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
5.71 mm
3.25 mm
Standby Current-Max
0.0001 A
0.0001 A
Supply Current-Max
0.03 mA
0.024 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
YES
Technology
CMOS
CMOS
Temperature Grade
INDUSTRIAL
COMMERCIAL
Terminal Finish
MATTE TIN
TIN LEAD
Terminal Form
THROUGH-HOLE
NO LEAD
Terminal Pitch
2.54 mm
1.27 mm
Terminal Position
DUAL
QUAD
Width
15.24 mm
11.43 mm
Base Number Matches
1
1
Pbfree Code
Length
13.97 mm
Programming Voltage
13 V
Compare M87C257-12F6X with alternatives
Compare AT27C256R-17LC with alternatives