S2046/S2050
GIGABIT ETHERNET CHIPSET
Table 10. S2046 DC Characteristics
Units
Parameters
Description
Min
Typ Max
Conditions
Output HIGH Voltage (TTL)
3.3V Power Supply
3.3V Power Supply
5V Power Supply
V
OH
2.1
2.2
2.7
V
V
V
V
V
V
= min, I
= min, I
= min, I
= -2.4mA
= -.1mA
= -1mA
CC
CC
CC
OH
OH
OH
Output LOW Voltage (TTL)
3.3V Power Supply
V
OL
.5
.5
V
V
V
V
= min, I
= min, I
= 2.4mA
= 4mA
CC
CC
OL
OL
5V Power Supply
2.0
0
—
V
V
Input HIGH Voltage (TTL)
Input LOW Voltage (TTL)
Input HIGH Current (TTL)
Input LOW Current (TTL)
—
—
V
V
IH
—
—
—
0.8
50
V
IL
—
µA
µA
= 2.4V
= 0.5V
I
IN
IH
-500
-50
V
I
IN
IL
I
Supply Current
CC
123
160
mA
Outputs open, V
= V
max
max
CC
CC
CC
P
D
Outputs open, V
AC coupled
= V
Power Dissipation
.406
—
.554
W
CC
440
600
1300
mV
Single-ended REFCLK input swing
∆V
INCLK
—
1300
mV
50Ω to V
-2.0V
Serial Output Voltage Swing
∆V
CC
OUT
Table 11. S2050 DC Characteristics
Units
Parameters
Description
Min
Typ Max
Conditions
Output HIGH Voltage (TTL)
3.3V Power Supply
3.3V Power Supply
5V Power Supply
V
OH
2.1
2.2
2.7
V
V
V
V
V
V
= min, I
= min, I
= min, I
= -2.4mA
OH
OH
OH
CC
CC
CC
= -.1mA
= -1mA
Output LOW Voltage (TTL)
3.3V Power Supply
V
OL
.5
.5
V
V
V
V
= min, I
= min, I
= 2.4mA
= 4mA
CC
CC
OL
OL
5V Power Supply
2.0
0
—
—
—
0.8
50
V
Input HIGH Voltage (TTL)
Input LOW Voltage (TTL)
Input HIGH Current (TTL)
Input LOW Current (TTL)
Supply Current
V
IH
V
—
V
V
IL
—
—
µA
µA
mA
= 2.4V
= 0.5V
I
IN
IH
-500
—
-50
280
V
I
IN
IL
255
Outputs open, V
= V
max
I
CC
CC
CC
Power Dissipation
3.3V Supply
P
D
0.91
1.1
1.0
1.2
W
W
Outputs open, V
Outputs open, V
= V
= V
max
max
CC
CC
CC
CC
5V Supply
440
100
—
1300
mV
mV
AC coupled
Single-ended REFCLK input swing
∆V
INCLK
V
DIFF
1300
Min. differential input voltage
swing for differential PECL
inputs
March 29, 2000 / Revision B
14