DS21458LDK Maxim Integrated, DS21458LDK Datasheet - Page 251
DS21458LDK
Manufacturer Part Number
DS21458LDK
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS21458LDK.pdf
(269 pages)
- Current page: 251 of 269
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37. OPERATING PARAMETERS
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-1.0V to +6.0V
Operating Temperature Range for DS21455/DS21458………………………………………0C to +70C
Operating Temperature Range for DS21455N/DS21458N………………………………...-40C to +85C
Storage Temperature Range……………………………………………………………….-55C to +125C
Soldering Temperature ………………………………………………………..See IPC/JEDEC J-STD-020
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect device
reliability.
THERMAL CHARACTERISTICS
NOTES:
1) The package is mounted on a four-layer JEDEC standard test board.
2)
THETA-JA (
Ambient Temperature
Junction Temperature
Theta-JA (
CSBGA
Theta-JA (
BGA
Theta-JA (
layer JEDEC standard test board.
(meters per second)
FORCED AIR
JA
JA
) in Still Air for 256-Pin 17mm
) in Still Air for 256-Pin 27mm
PARAMETER
2.5
0
1
JA
) is the junction-to-ambient thermal resistance, when the package is mounted on a four-
JA
) vs. AIRFLOW
THETA-JA (
17mm CSBGA
29.9C/W
26.0C/W
23.2C/W
251 of 269
-40C
MIN
—
—
—
JA
)
29.9C/W
20.5C/W
DS21455/DS21458 Quad T1/E1/J1 Transceivers
TYP
—
—
THETA-JA (
27mm BGA
17.5 C/W
20.5C/W
15.5C/W
+125C
+85C
MAX
—
—
JA
NOTES
)
1
2
2
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