MAX4928B Maxim, MAX4928B Datasheet - Page 3

• Manufacturer Part Number: MAX4928B
• Description: The MAX4928A/MAX4928B high-speed passive switches route PCI Express® (PCIe) data and/or DisplayPort™ signals between two possible destinations in desktop or laptop PCs
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
noted.) (Note 3)
D_ or TX_/
HPD_ or RX1_/
AUX_ or RX0_ Off-Leakage
Current
IN_/X_/OUT_ On-Leakage
Current
DIGITAL SIGNALS
SEL to Switch Turn-On Time
SEL to Switch Turn-Off Time
LE Setup Time
SEL to LE
LE Hold Time
SEL to LE
LE Minimum Pulse-Width Low
Differential Insertion Loss
(Figure 2)
Differential Crosstalk (Figure 2)
Differential Off-Isolation
Differential Return Loss (Figure 2)
DD
= +3.3V ±10%, T
PARAMETER
_______________________________________________________________________________________
A
=T
MIN
to T
DisplayPort/PCIe Passive Switches
MAX
I
I
S
I
I
I
SYMBOL
HPD_ (OFF)
AUX_ (OFF)
I
RX1_ (OFF)
RX0_ (OFF)
OUT_ (ON)
t
I
, unless otherwise noted. Typical values are at V
TX_ (OFF)
I
DD21_OFF
t
S
I
OFF_SEL
D_ (OFF)
IN_ (ON)
ON_SEL
S
S
X_ (ON)
t
DDCTK
HOLD
DD21
DD11
t
t
SU
W
V
+ 1.2V ; V
V
V
+ 1.2V ; V
unconnected , V
unconnected , V
or unconnected
V
V
V
LE = V
V
V
V
LE = V
V
V
V
(Figure 1)
V
V
V
(Figure 1)
V
V
V
(Figure 1)
f = 2.5GHz
f = 5.0GHz
f = 7.5GHz
f = 2.5GHz
f = 5.0GHz
f = 7.5GHz
f = 3.0GHz
f = 2.8GHz
f = 5.0GHz
f = 7.5GHz
D D
A U X _
D D
D_
HPD_
AUX_
D_
HPD_
AUX_
D_
HPD_
AUX_
D_
HPD_
AUX_
D_
HPD_
AUX_
or V
or V
or V
or V
or V
= + 3.6V , V
= + 3.6V , V
or V
DD
DD
or V
or V
or V
or V
or V
or V
or V
or V
or V
or V
D _
D _
TX_
TX_
TX_
TX_
TX_
, C
, C
R X 0 _
RX1_
RX0_
RX1_
RX0_
RX1_
RX0_
RX1_
RX0_
RX1_
RX0_
or V
or V
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
L
L
CONDITIONS
= 100pf (Figure 1)
= 100pf (Figure 1)
T X _
T X _
A U X _
I N _
= + 1.2V , 0V
I N _
H P D _
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
= +1.0V, R
, V
= V
= V
= V
or V
H P D _
or V
I N _
X _
X _
L
L
L
L
L
R X 0 _
= 50Ω,
= 50Ω,
= 50Ω,
= 50Ω,
= 50Ω,
= V
= V
R X 1 _
or
or V
L
L
L
L
L
L
L
L
L
L
OU T _
OU T _
= 50Ω,
= 50Ω,
= 50Ω,
= 50Ω,
= 50Ω,
= 50Ω
= 50Ω,
= 50Ω,
= 50Ω,
= 50Ω
= V
R X 1 _
= V
OU T _
X _
= 0V ,
= 0V ,
,
DD
or
= +3.3V, T
MIN
40
-1
-1
A
= +25°C, unless otherwise
TYP
-1.5
-3.3
-4.9
-40
-23
-28
-22
-21
55
-8
-7
8
2
2
MAX
120
+1
+1
50
UNITS
µA
dB
dB
dB
dB
ns
ns
ns
ns
ns
3