參數(shù)資料
型號(hào): 82557
廠商: Intel Corp.
英文描述: Fast Ethernet PCI Bus Controller(快速以太網(wǎng) PCI總線控制器)
中文描述: 快速以太網(wǎng)PCI總線控制器(快速以太網(wǎng)的PCI總線控制器)
文件頁(yè)數(shù): 43/57頁(yè)
文件大?。?/td> 601K
代理商: 82557
INTEL 82557 FAST ETHERNET PCI BUS CONTROLLER
43
Table 13. MII and 10 Mbps PHY Interface DC Specifications
Symbol
Parameter
Condition
Min
Max
Units
Notes
Vih
Vil
Iil
Input High Voltage
2.0
Vcc+0.5
0.8
V
Input Low Voltage
-0.5
V
Input Low Leakage
Current
0 < Vin < Vcc
±20
μ
A
Voh
Vol
Cin
NOTES:
1.
2.
Output High Voltage
Iout = -4 mA
Iout = 4 mA
2.4
V
Output Low Voltage
0.4
V
3
Input Pin Capacitance
8
pF
1
Characterized, not tested.
To drive an MII cable (Z0 = 68
± 15%, Length @ 0.5m) a 40
± 10% resistor should be connected in series to
each MII output.
For pins LPBCK and RSTOUT, I
ol
= 1mA.
3.
Table 14. FLASH/EEPROM Interface DC Specifications
Symbol
Parameter
Condition
Min
Max
Units
Notes
Vih
Vil
Iil
Input High Voltage
2.0
Vcc+0.5
0.8
V
Input Low Voltage
-0.5
V
Input Low Leakage
Current
0 < Vin < Vcc
±20
μ
A
Voh
Vol
Cin
NOTES:
1.
Output High Voltage
Iout = -1 mA
Iout = 1 mA
2.4
V
Output Low Voltage
0.4
V
Input Pin Capacitance
10
pF
1
Characterized, not tested.
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