參數(shù)資料
型號: 21440
廠商: Intel Corp.
英文描述: Multiport 10/100Mb/s Ethernet Controller(多端口10/100Mb/s 以太網(wǎng)控制器)
中文描述: 多端口10/100Mb/s以太網(wǎng)控制器(多端口支持10/100Mbps以太網(wǎng)控制器)
文件頁數(shù): 78/92頁
文件大小: 1352K
代理商: 21440
Electrical and Environmental Specifications
8-2
21440 Multiport 10/100Mb/s Ethernet Controller
Table 8-4
lists the absolute maximum rating for the 21440.
8.3
Supply Current and Power Dissipation
The values listed in
Table 8-5
are based on a 66 MHz FIFO bus clock frequency.
8.4
Temperature Limit Ratings
Table 8-6
lists the temperature limit ratings.
8.5
Reset Specification
The 21440 reset signal (reset_l) is an asynchronous signal that must be active for at least 10 FIFO
bus clock (clk) cycles with stable power.
Table 8-4. Absolute Maximum Rating
Parameter
Maximum Rating
Supply voltage (Vdd)
3.9 V
Signal pins (Vsig)
5.5 V
Junction temperature (Tj)
125
°
C
Table 8-5. Supply Current and Power Dissipation
Power Supply
Maximum Current
Maximum Power
3.3 V
750 mA
2.5 W
3.6 V
830 mA
3 W
Table 8-6. Temperature Limit Ratings
Parameter
Minimum
Maximum
Storage temperature
55
°
C
125
°
C
Operating temperature
0
°
C
70
°
C
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