參數(shù)資料
型號(hào): LXT9781
英文描述: Interface IC
中文描述: 接口IC
文件頁(yè)數(shù): 52/68頁(yè)
文件大小: 1177K
代理商: LXT9781
LXT9784
Low-Power Octal PHY
52
Datasheet
4.1
DC Characteristics
Table 26. Clock DC Characteristics
Parameter
Symbol
Min
Typ
Max
Units
Condition
Input Low Voltage (TTL)
V
IL
0.8
V
Input High Voltage (TTL)
V
IH
2.0
V
Input Leakage Currents
I
ILIH
± 10
μA
0< Vin< Vcc
Input Capacitance
C
IN
8
pF
See Note 1.
1. Characterized, not tested. Valid for digital pins only.
Table 27. RMII/SMII and General Interface
1
DC Characteristics
Parameter
Symbol
Min
Typ
Max
Units
Condition
Input Low Voltage (TTL)
V
IL
0.8
V
Input High Voltage (TTL)
V
IH
2.0
V
Output Low Voltage
V
OL
0.4
V
I
out
= 4 mA
Output High Voltage
V
OH
2.4
V
I
out
= -4 mA
Input Leakage Current
I
ILIH
± 10
μA
0< Vin< Vcc
Input Capacitance
C
IN
8
pF
Note 2.
1.
General Interface
refers to the following: MII management, configuration and PHY ID.
2. Characterized, not tested. Valid for digital pins only.
Table 28. LED DC Characteristics
Parameter
Symbol
Min
Typ
Max
Units
Condition
Output Low Voltage
V
OLLED
0.7
V
I
out
= 10 mA
Output High Voltage
V
OHLED
Vcc - 0.7
V
I
out
= -10 mA
Table 29. 10BASE-T Receiver Voltage/Current DC Characteristics
Parameter
Symbol
Min
Typ
Max
Units
Condition
Input Differential Resistance
R
ID10
10
k
DC. Note 1.
Input Differential Accept Peak Voltage
V
IDA10
585
3100
mV
5 MHz
f
10 MHz
Input Differential Reject Peak Voltage
V
IDR10
300
mV
5 MHz
f
10 MHz
Input Common Mode Voltage
V
ICM10
Vcc/2
V
1. This value is measured across the receive differential pins, TPIP and TPIN.
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