Datasheet

MAX4999
USB 2.0 Hi-Speed Differential
8:1 Multiplexer
_______________________________________________________________________________________ 3
Note 3: All units are 100% production tested at T
A
= +85°C. Limits over the operating temperature range are guaranteed by design
and not production tested.
Note 4: Guaranteed by design.
ELECTRICAL CHARACTERISTICS
(V
CC
= +3.0V to +3.6V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
CC
= +3.3V and T
A
= +25°C.) (Note 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Turn-Off Time t
OFF
V
D_ _0
or V
D_ _1
= +1.5V, R
L
= 300Ω, C
L
=
35pF, V
IH
= V
CC
, V
IL
= 0V (Figure 1)
10 µs
Output Skew Same Port t
PD
Skew between any D_ _0, D_ _1 line, same
port 45Ω unbalanced I/O, f = 240MHz
(Figure 2)
30 ps
SWITCH LOGIC
Input Logic Low V
IL
V
CC
= +3.0V 0.6 V
Input Logic High V
IH
V
CC
= +3.6V 1.7 V
Input Logic Hysteresis V
HYST
200 mV
Input Leakage Current I
LEAK
V
CC
= +3.6V, V
COM_
= 0V or V
CC
-1 +1 µA
ESD PROTECTION
All Pins Human Body Model ±2 kV
Test Circuits/Timing Diagrams
t
R
< 5ns
t
F
< 5ns
50%
V
IL
LOGIC
INPUT
R
L
COM_
GND
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
V
OUT
= V
IN (
R
L
)
R
L
+ R
ON
V
IN
V
IH
t
OFF
0V
D_ _0
OR D_ _1
0.9 x V
0UT
0.9 x V
OUT
t
ON
V
OUT
SWITCH
OUTPUT
LOGIC
INPUT
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
C
L
V
OUT
MAX4999
C_
V
CC
Figure 1. Switching Time