AT28HC256F-12FM/883
vs
X28HC256EM-12
feature comparison
All Stats
Differences Only
Pbfree Code
No
Rohs Code
No
No
Part Life Cycle Code
Active
Obsolete
Ihs Manufacturer
MICROCHIP TECHNOLOGY INC
XICOR INC
Package Description
FP-28
QCCN, LCC32,.45X.55
Reach Compliance Code
compliant
unknown
Samacsys Manufacturer
Microchip
Access Time-Max
120 ns
120 ns
Additional Feature
AUTOMATIC WRITE
100000 ENDURANCE WRITE CYCLES; 100 YEARS DATA RETENTION
Command User Interface
NO
NO
Data Polling
YES
YES
Data Retention Time-Min
10
100
JESD-30 Code
R-CDFP-F28
R-CQCC-N32
JESD-609 Code
e0
e0
Length
18.285 mm
13.97 mm
Memory Density
262144 bit
262144 bit
Memory IC Type
EEPROM
EEPROM
Memory Width
8
8
Number of Functions
1
1
Number of Ports
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
125 °C
125 °C
Operating Temperature-Min
-55 °C
-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
QCCN
Package Equivalence Code
FL28,.4
LCC32,.45X.55
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
FLATPACK
CHIP CARRIER
Page Size
64 words
128 words
Parallel/Serial
PARALLEL
PARALLEL
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Programming Voltage
5 V
5 V
Qualification Status
Not Qualified
Not Qualified
Screening Level
MIL-STD-883 Class B
Seated Height-Max
3.02 mm
3.048 mm
Standby Current-Max
0.0003 A
0.0005 A
Supply Current-Max
0.08 mA
0.06 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
YES
YES
Technology
CMOS
CMOS
Temperature Grade
MILITARY
MILITARY
Terminal Finish
Tin/Lead (Sn/Pb)
Tin/Lead (Sn/Pb)
Terminal Form
FLAT
NO LEAD
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
QUAD
Time@Peak Reflow Temperature-Max (s)
NOT SPECIFIED
Toggle Bit
YES
YES
Width
10.16 mm
11.43 mm
Write Cycle Time-Max (tWC)
3 ms
5 ms
Write Protection
HARDWARE/SOFTWARE
Base Number Matches
2
2
Endurance
1000000 Write/Erase Cycles
Compare AT28HC256F-12FM/883 with alternatives
Compare X28HC256EM-12 with alternatives