AT28C256-20SCT/R
vs
AT28C256-20JL
feature comparison
All Stats
Differences Only
Pbfree Code
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
ATMEL CORP
ATMEL CORP
Part Package Code
SOIC
QFJ
Package Description
SOP,
QCCJ,
Pin Count
28
32
Reach Compliance Code
compliant
compliant
ECCN Code
EAR99
EAR99
HTS Code
8542.32.00.51
8542.32.00.51
Access Time-Max
200 ns
200 ns
Additional Feature
AUTOMATIC WRITE
AUTOMATIC WRITE
JESD-30 Code
R-PDSO-G28
R-PQCC-J32
JESD-609 Code
e0
e3
Length
17.9 mm
13.97 mm
Memory Density
262144 bit
262144 bit
Memory IC Type
EEPROM
EEPROM
Memory Width
8
8
Moisture Sensitivity Level
2
2
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
70 °C
70 °C
Operating Temperature-Min
Organization
32KX8
32KX8
Output Characteristics
3-STATE
3-STATE
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
SOP
QCCJ
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE
CHIP CARRIER
Parallel/Serial
PARALLEL
PARALLEL
Programming Voltage
5 V
5 V
Qualification Status
Not Qualified
Not Qualified
Screening Level
38535Q/M;38534H;883B
MIL-STD-883
Seated Height-Max
2.65 mm
3.556 mm
Supply Current-Max
0.05 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
COMMERCIAL
COMMERCIAL
Terminal Finish
TIN LEAD
MATTE TIN
Terminal Form
GULL WING
J BEND
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
QUAD
Width
7.5 mm
11.43 mm
Write Cycle Time-Max (tWC)
10 ms
10 ms
Base Number Matches
1
1
Compare AT28C256-20SCT/R with alternatives
Compare AT28C256-20JL with alternatives