AT28C256F-25SCT/R
vs
X28C256SI-25T1
feature comparison
All Stats
Differences Only
Pbfree Code
Rohs Code
Part Life Cycle Code
Transferred
Obsolete
Ihs Manufacturer
ATMEL CORP
XICOR INC
Part Package Code
SOIC
Package Description
SOP,
SOP,
Pin Count
28
Reach Compliance Code
compliant
unknown
ECCN Code
EAR99
HTS Code
8542.32.00.51
Access Time-Max
250 ns
250 ns
Additional Feature
AUTOMATIC WRITE
100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION
JESD-30 Code
R-PDSO-G28
R-PDSO-G28
JESD-609 Code
e0
Length
17.9 mm
17.9 mm
Memory Density
262144 bit
262144 bit
Memory IC Type
EEPROM
EEPROM
Memory Width
8
8
Moisture Sensitivity Level
2
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
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
2.67 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
COMMERCIAL
INDUSTRIAL
Terminal Finish
TIN LEAD
Terminal Form
GULL WING
GULL WING
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
DUAL
Width
7.5 mm
7.48 mm
Base Number Matches
2
1
Data Retention Time-Min
100
Endurance
100000 Write/Erase Cycles
Write Cycle Time-Max (tWC)
10 ms
Compare AT28C256F-25SCT/R with alternatives
Compare X28C256SI-25T1 with alternatives