參數(shù)資料
型號(hào): CDB8952
廠商: Cirrus Logic, Inc.
英文描述: CrystalLAN 100BASE-X and 10BASE-T Transceiver
中文描述: CrystalLAN個(gè)100Base - X和10Base - T的收發(fā)器
文件頁數(shù): 5/82頁
文件大?。?/td> 1130K
代理商: CDB8952
CS8952
CrystalLAN 100BASE-X and 10BASE-T Transceiver
5
DC CHARACTERISTICS
(Over recommended operating conditions)
Symbol
Parameter
Min
Typ
Max
Unit
External Oscillator
XTAL_I Input Low Voltage
XTAL_I Input High Voltage
XTAL_I Input Low Current
XTAL_I Input High Current
XTAL_I Input Capacitance
XTAL_I Input Cycle Time
XTAL_I Input Low Time
XTAL_I Input High Time
Power Supply
Power Supply Current
V
IXH
V
IXH
I
IXL
I
IXH
C
L
t
IXC
t
IXL
t
XH
-0.3
3.5
-40
-
-
-
-
-
-
-
-
-
0.5
V
V
μA
μA
pF
ns
ns
ns
VDD+0.5
-
40
35
40.004
22
22
39.996
18
18
100BASE-TX (Note
1
)
100BASE-FX (Note
1
)
10BASE-T (Note
1
)
I
DD
-
-
-
-
-
-
135
90
80
900
20
900
145
-
-
-
-
-
mA
Hardware Power-Down
Software Power-Down
Low Power Power-Up
Digital I/O
Output Low Voltage
CLK25, MII_IRQ, SPD10, SPD100
(Note
1
)
(Note
1
)
(Note
1
)
I
DDHPDN
I
DDSPDN
I
DDSLPUP
μA
mA
μA
I
OL
= 4.0mA
LED[4:0]
Output Low Voltage (MII_DRV = 1)
COL, CRS, MDIO, RXD[3:0],
RX_CLK, RX_DV, RX_ER,
TX_CLK
I
OL
= 10.0mA
V
OL
-
-
-
-
0.4
0.4
V
I
OL
= 4.0mA
VDD_MII = 5V; I
OL
= 43.0mA
VDD_MII = 3.3V, I
OL
= 26.0mA
V
OL
-
-
-
-
-
-
0.4
3.05
2.1
V
Output Low Voltage (MII_DRV = 0)
COL, CRS, MDIO, RXD[3:0],
RX_CLK, RX_DV, RX_ER,
TX_CLK
I
OL
= 4.0mA
V
OL
-
-
0.4
V
Output High Voltage
CLK25, SPD10, SPD100
I
OH
= -4.0mA
V
OH
2.4
-
-
V
Output High Voltage (MII_DRV = 1)
COL, CRS, MDIO, RXD[3:0],
RX_CLK, RX_DV, RX_ER,
TX_CLK
I
OH
= -4.0mA
VDD_MII = 5V; I
OH
= -20.0mA
VDD_MII = 3.3V, I
OH
= -20.0mA
V
OH
2.4
1.1
1.1
-
-
-
-
-
-
V
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