参数资料
型号: GT-48002A
厂商: Galileo Technology Services, LLC
英文描述: Switched Fast Ethernet Controller for 100BaseX(100BaseX交换式快速以太网控制器)
中文描述: 交换式快速以太网控制器(100BaseX交换式快速以太网控制器的100BaseX)
文件页数: 99/102页
文件大小: 1001K
代理商: GT-48002A
GT-48002A Switched Fast Ethernet Controller
96
Revision 1.2
NOTE: Pullup/Pulldown resistors are 45KOhm minimum, 65KOhm typical, 80KOhm maximum.
24.4
Thermal Data
Table 38 shows the package thermal data for the GT-48002A. Galileo recommends the use of heatsink for most sys-
tems, especially those with little or no airflow. Please check with Galileo if you are in doubt as to thermal considerations
for your system.
1. Operating the device for extended periods of time at the maximum junction temperature may
cause permanent damage to this device, resulting in functional or reliability type failures.
Iih
Input HIGH Current
+-1
uA
Iil
Input LOW Current
+-1
uA
Iozh
High Impedance Output
Current
+-1
uA
Iozl
High Impedance Output
Current
+-1
uA
Vh
Input Hysteresis
Vdd = 4.5V
Vdd = 5.0V
Vdd = 5.5V
0.52
0.54
0.56
0.60
0.61
0.62
mV
Icc
Operating Current
Vdd = 5.25V f=33MHz
400
mA
Table 38: 208 PQFP Thermal Data
Pa ram e ter
De fin i t i on
Va l u e
θja
Thermal resistance: junction to ambient,
0 ft/s airflow
22.5 C/W
θjc
Thermal resistance: junction to case,
0 ft/s airflow
5 C/W
Tj
Operating Junction temperature
100C
Tj
Maximum Junction temperature1
125C
Symbol
Pa ram e ter
Te st Co ndit i o n
Mi n.
Ty p .
Max.
Un it
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