Datasheet

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SCDS212B − SEPTEMBER 2005 − REVISED APRIL 2006
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics for 1000 Base-T ethernet switching over recommended operating free-air
temperature range, V
CC
= 3.3 V + 0.3 V (unless otherwise noted)
†
PARAMETER TEST CONDITIONS MIN TYP
‡
MAX UNIT
V
IK
SEL V
CC
= 3.6 V, I
IN
= −18 mA −0.7 −1.2 V
I
IH
SEL V
CC
= 3.6 V, V
IN
= V
CC
±1 µA
I
IL
SEL V
CC
= 3.6 V, V
IN
= GND ±1 µA
I
CC
V
CC
= 3.6 V, I
I/O
= 0, Switch ON or OFF 250 500 µA
C
IN
SEL f = 1 MHz, V
IN
= 0 2 2.5 pF
C
OFF
B port V
I
= 0, f = 1 MHz, Outputs open, Switch OFF 2.5 4 pF
C
ON
V
I
= 0, f = 1 MHz, Outputs open, Switch ON 8 9 pF
r
on
V
CC
= 3 V, 1.5 V ≤ V
I
≤ V
CC
, I
O
= −40 mA 4 6 Ω
r
on(flat)
§
V
CC
= 3 V, V
I
= 1.5 V and V
CC
, I
O
= −40 mA 0.5 Ω
∆r
on
¶
V
CC
= 3 V, 1.5 V ≤ V
I
≤ V
CC
, I
O
= −40 mA 0.4 1 Ω
†
V
I
, V
O
, I
I
, and I
O
refer to I/O pins. V
IN
refers to the control inputs.
‡
All typical values are at V
CC
= 3.3 V (unless otherwise noted), T
A
= 25°C.
§
r
on(flat)
is the difference of r
on
in a given channel at specified voltages.
¶
∆r
on
is the difference of r
on
from center (A
4
, A
5
) ports to any other port.
electrical characteristics for 10/100 Base-T ethernet switching over recommended operating
free-air temperature range, V
CC
= 3.3 V + 0.3 V (unless otherwise noted)
†
PARAMETER TEST CONDITIONS MIN TYP
‡
MAX UNIT
V
IK
SEL V
CC
= 3.6 V, I
IN
= −18 mA −0.7 −1.2 V
I
IH
SEL V
CC
= 3.6 V, V
IN
= V
CC
±1 µA
I
IL
SEL V
CC
= 3.6 V, V
IN
= GND ±1 µA
I
CC
V
CC
= 3.6 V, I
I/O
= 0, Switch ON or OFF 250 500 µA
C
IN
SEL f = 1 MHz, V
IN
= 0 2 2.5 pF
C
OFF
B port V
I
= 0, f = 1 MHz, Outputs open, Switch OFF 2.5 4 pF
C
ON
V
I
= 0, f = 1 MHz, Outputs open, Switch ON 8 pF
r
on
V
CC
= 3 V, 1.25 V ≤ V
I
≤ V
CC
, I
O
= −10 mA to −30 mA 4 6 Ω
r
on(flat)
§
V
CC
= 3 V, V
I
= 1.25 V and V
CC
, I
O
= −10 mA to −30 mA 0.5 Ω
∆r
on
¶
V
CC
= 3 V, 1.25 V ≤ V
I
≤ V
CC
, I
O
= −10 mA to −30 mA 0.4 1 Ω
†
V
I
, V
O
, I
I
, and I
O
refer to I/O pins. V
IN
refers to the control inputs.
‡
All typical values are at V
CC
= 3.3 V (unless otherwise noted), T
A
= 25°C.
§
r
on(flat)
is the difference of r
on
in a given channel at specified voltages.
¶
∆r
on
is the difference of r
on
from center (A
4
, A
5
) ports to any other port.