X68257SIT1
vs
X28HC256SMB-12
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Obsolete
Transferred
Ihs Manufacturer
XICOR INC
XICOR INC
Package Description
SOP,
SOP, SOP28,.45
Reach Compliance Code
unknown
unknown
Access Time-Max
120 ns
120 ns
Additional Feature
10K ENDURANCE WRITE CYCLES; DATA RETENTION = 100 YEARS
100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION
Data Retention Time-Min
100
100
Endurance
10000 Write/Erase Cycles
1000000 Write/Erase Cycles
JESD-30 Code
R-PDSO-G28
R-PDSO-G28
Length
17.9 mm
17.9 mm
Memory Density
262144 bit
262144 bit
Memory IC Type
EEPROM
EEPROM
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
125 °C
Operating Temperature-Min
-40 °C
-55 °C
Organization
32KX8
32KX8
Output Characteristics
3-STATE
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
SOP
SOP
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE
SMALL OUTLINE
Parallel/Serial
PARALLEL
PARALLEL
Programming Voltage
5 V
5 V
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
2.65 mm
2.65 mm
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
YES
YES
Technology
CMOS
CMOS
Temperature Grade
INDUSTRIAL
MILITARY
Terminal Form
GULL WING
GULL WING
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
DUAL
Width
7.5 mm
7.5 mm
Base Number Matches
1
2
Rohs Code
Command User Interface
NO
Data Polling
YES
JESD-609 Code
e0
Package Equivalence Code
SOP28,.45
Page Size
128 words
Screening Level
38535Q/M;38534H;883B
Standby Current-Max
0.0005 A
Supply Current-Max
0.06 mA
Terminal Finish
Tin/Lead (Sn/Pb)
Toggle Bit
YES
Write Cycle Time-Max (tWC)
5 ms
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