W24M257AJ-20
vs
WS128K32L-25G1UMA
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
WINBOND ELECTRONICS CORP
WHITE ELECTRONIC DESIGNS CORP
Part Package Code
SOJ
Package Description
SOJ,
23.90 MM, 3.57 MM HEIGHT, CERAMIC, QFP-68
Pin Count
28
Reach Compliance Code
unknown
unknown
ECCN Code
EAR99
3A001.A.2.C
HTS Code
8542.32.00.41
8542.32.00.41
Access Time-Max
20 ns
25 ns
JESD-30 Code
R-PDSO-J28
S-CQFP-G68
Length
18.03 mm
23.88 mm
Memory Density
262144 bit
4194304 bit
Memory IC Type
STANDARD SRAM
SRAM MODULE
Memory Width
8
32
Number of Functions
1
1
Number of Ports
1
Number of Terminals
28
68
Number of Words
32768 words
131072 words
Number of Words Code
32000
128000
Operating Mode
ASYNCHRONOUS
ASYNCHRONOUS
Operating Temperature-Max
70 °C
125 °C
Operating Temperature-Min
-55 °C
Organization
32KX8
128KX32
Output Characteristics
3-STATE
3-STATE
Output Enable
YES
Package Body Material
PLASTIC/EPOXY
CERAMIC, METAL-SEALED COFIRED
Package Code
SOJ
QFP
Package Shape
RECTANGULAR
SQUARE
Package Style
SMALL OUTLINE
FLATPACK
Parallel/Serial
PARALLEL
PARALLEL
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
3.56 mm
3.56 mm
Supply Voltage-Max (Vsup)
5.25 V
5.5 V
Supply Voltage-Min (Vsup)
4.75 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
J BEND
GULL WING
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
QUAD
Width
7.62 mm
23.88 mm
Base Number Matches
1
1
Rohs Code
Additional Feature
USER CONFIGURABLE AS 512K X 8
Alternate Memory Width
16
I/O Type
COMMON
Package Equivalence Code
QFP68,.99SQ,50
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Standby Current-Max
0.002 A
Standby Voltage-Min
2 V
Supply Current-Max
0.6 mA
Time@Peak Reflow Temperature-Max (s)
NOT SPECIFIED
Compare W24M257AJ-20 with alternatives
Compare WS128K32L-25G1UMA with alternatives