参数资料
型号: ICS1894K-32LF
厂商: IDT, Integrated Device Technology Inc
文件页数: 27/50页
文件大小: 0K
描述: PHYCEIVER LOW PWR 3.3V 32QFN
标准包装: 490
类型: PHY 收发器
规程: MII,RMII
电源电压: 3.14 V ~ 3.47 V
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 托盘
ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
PHYCEIVER
IDT 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
33
ICS1894-32
REV M 021512
DC Operating Characteristics for REFIN
The table below lists the 3.3V DC characteristics for the REFIN pin.
DC Operating Characteristics for MII Pins
The table below lists DC operating characteristics for the Media Independent Interface (MII) for the ICS1894-32.
Timing Diagrams
Timing for Clock Reference (REFIN) Pin
The table below lists the significant time periods for signals on the clock reference (REFIN) pin. The REFIN Timing
Diagram figure shows the timing diagram for the time periods.
REFIN Timing Diagram
Parameter
Symbol
Min.
Max.
Units
Input High Voltage
VIH
2.97
V
Input Low Voltage
VIL
–0.33
V
Parameter
Conditions
Min.
Typ.
Max.
Units
MII Input Pin Capacitance
8
pF
MII Output Pin Capacitance
14
pF
MII Output Drive Impedance
VDDIO = 3.3V
20
Ω
Time
Period
Parameter
Conditions
Min.
Typ.
Max. Units
t1
REFIN Duty Cycle (MII)
45
50
55
%
t2
REFIN Period (MII)
40
ns
t1
REFIN Duty Cycle (RMII)
45
50
55
%
t2
REFIN Period (RMII)
20
ns
REFIN
t1
t2
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