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MAX4888A/MAX4889A
5.0Gbps PCI Express Passive Switches
_______________________________________________________________________________________ 3
Note 2: All units are 100% production tested at T
A
= +85°C. Limits over the operating temperature range are guaranteed by design
and characterization and are not production tested.
Note 3: ΔR
ON
= R
ON (MAX)
- R
ON (MIN)
.
Note 4: Guaranteed by design. Not production tested.
Note 5: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal range.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DYNAMIC
Turn-On Time t
ON
V
NO_
or V
NC_
= 1.0V, R
L
= 50Ω, Figure 1 90 250 ns
Turn-Off Time t
OFF
V
NO_
or V
NC_
= 1.0V, R
L
= 50Ω, Figure 1 10 50 ns
Propagation Delay t
PD
R
S
= R
L
= 50Ω, unbalanced, Figure 2 50 ps
Output Skew Between Pairs t
SK1
R
S
= R
L
= 50Ω , unb al anced ; skew b etw een
any tw o p ai r s, Fi g ur e 2
50 ps
Output Skew Between Same
Pair
t
SK2
R
S
= R
L
= 50Ω , unb al anced ; skew b etw een
tw o l i nes on sam e p ai r , Fi g ur e 2
10 ps
1MHz < f < 100MHz -0.5
On-Loss G
LOS
R
S
= R
L
= 50Ω,
unbalanced,
Figure 3
500M H z
< f < 1.25G H z-1.4
dB
f = 50MHz -53
Crosstalk V
CT1
Crosstalk between
any two pairs,
R
S
= R
L
= 50Ω,
unbalanced,
Figure 3
f = 1.25GHz -32
dB
Signaling Data Rate BR R
S
= R
L
= 50Ω 5.0 Gbps
f = 10MHz -56
Off-Isolation V
ISO
Signal = 0dBm,
R
S
= R
L
= 50Ω,
Figure 3
f = 1.25GHz -26
dB
NO_/NC_ Off-Capacitance
C
N O_/N C _( OFF)
Figure 4 1 pF
COM_ On-Capacitance C
COM_
(
ON
)
Figure 4 2 pF
LOGIC INPUT
Input-Logic Low V
IL
0.5 V
Input-Logic High V
IH
1.4 V
Input-Logic Hysteresis V
HYST
100 mV
Input Leakage Current I
IN
V
SEL
= 0V or V+ -1 +1 µA
POWER SUPPLY
Power-Supply Range V+ 1.65 3.60 V
MAX4888A 60
V+ Supply Current I+ V
SEL
= 0V or V+
MAX4889A 120
µA
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 3.0V to 3.6V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V+ = 3.3V, T
A
= +25°C.) (Note 2)