X28C256F-20T1
vs
AT28C256E-20FM/883
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Obsolete
Transferred
Ihs Manufacturer
XICOR INC
ATMEL CORP
Package Description
DFP,
DFP, FL28,.4
Reach Compliance Code
unknown
compliant
Access Time-Max
200 ns
200 ns
Additional Feature
100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION
AUTOMATIC WRITE
Data Retention Time-Min
100
Endurance
100000 Write/Erase Cycles
100000 Write/Erase Cycles
JESD-30 Code
R-CDFP-F28
R-CDFP-F28
Length
18.288 mm
18.285 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
70 °C
125 °C
Operating Temperature-Min
-55 °C
Organization
32KX8
32KX8
Output Characteristics
3-STATE
3-STATE
Package Body Material
CERAMIC, METAL-SEALED COFIRED
CERAMIC, METAL-SEALED COFIRED
Package Code
DFP
DFP
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
FLATPACK
FLATPACK
Parallel/Serial
PARALLEL
PARALLEL
Programming Voltage
5 V
5 V
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
3.3 mm
3.02 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
MILITARY
Terminal Form
FLAT
FLAT
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
DUAL
Write Cycle Time-Max (tWC)
10 ms
10 ms
Base Number Matches
1
2
Pbfree Code
Rohs Code
Part Package Code
DFP
Pin Count
28
ECCN Code
3A001.A.2.C
HTS Code
8542.32.00.51
Command User Interface
NO
Data Polling
YES
JESD-609 Code
e0
Moisture Sensitivity Level
1
Package Equivalence Code
FL28,.4
Page Size
64 words
Screening Level
MIL-STD-883 Class C
Standby Current-Max
0.0003 A
Supply Current-Max
0.05 mA
Terminal Finish
TIN LEAD
Toggle Bit
YES
Width
10.16 mm
Compare X28C256F-20T1 with alternatives
Compare AT28C256E-20FM/883 with alternatives