Datasheet

MAX3346E
±15kV ESD-Protected USB Transceiver
in UCSP
4 _______________________________________________________________________________________
TIMING CHARACTERISTICS (continued)
(V
CC
= +4V to +5.5V, GND = 0, VTRM = +3.0V to 3.6V, V
L
= +1.65V to +3.6V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at V
CC
= +5V, V
L
= +2.5V, T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
t
PLH
C
L
= 25pF, Figures 4b and 5 18
D+/D- to VP/VM Propagation
Delay
t
PHL
C
L
= 25pF, Figures 4b and 5 18
ns
FULL-SPEED TIMING CHARACTERISTICS
OE to Transmit Delay Enable
Time
t
PZD
(Figures 1b, 4d) 20 ns
OE to Driver Three-State Delay
Disable Time
t
PDZ
(Figures1b, 4d) 20 ns
t
PLH
(Figures 3, 4c) 18
VP/VM to D+/D- Propagation
Delay (MODE = 1)
t
PHL
(Figures 3, 4c) 18
ns
t
PHL0
C
L
= 50pF (Figures 2, 4c) 20
VP to D+/D- Propagation Delay
(MODE = 0)
t
PLH0
C
L
= 50pF (Figures 2, 4c) 20
ns
D+, D- Rise Time t
R
C
L
= 50pF, 10% to 90% of |V
OH
- V
OL
|4 20ns
D+, D- Fall Time t
F
C
L
= 50pF, 90% to 10% of |V
OH
- V
OL
|4 20ns
Rise- and Fall-Time Matching
(Note 3)
t
R
/t
F
C
L
= 50pF 90
110
%
Output-Signal Crossover Voltage
(Note 3)
V
CRS
C
L
= 50pF 1.3 2.0 V
LOW-SPEED TIMING CHARACTERISTICS
t
PLH
Figures 3 and 4c, C
L
= 50pF to 600pF 30
250
VP/VM to D+/D- Propagation
Delay (MODE = 1)
t
PHL
Figures 3 and 4c, C
L
= 50pF to 600pF 30
250
ns
t
PHL0
Figures 2 and 4c, C
L
= 50pF to 600pF 30
250
VP to D+/D- Propagation Delay
(MODE = 0)
t
PLH0
Figures 2 and 4c, C
L
= 50pF to 600pF 30
250
ns
D+/D- Rise Time t
R
C
L
= 50pF to 600pF 75
300
ns
D+/D- Fall Time t
F
C
L
= 50pF to 600pF 75
300
ns
Rise- and Fall-Time Matching t
R
/t
F
C
L
= 50pF to 600pF 80
125
%
Output-Signal Crossover Voltage
V
CRS
C
L
= 50pF to 600pF 1.3 2.0 V
Note 2: Parameters are 100% production tested at +25°C, limits over temperature are guaranteed by design.
Note 3: Guaranteed by design, not production tested.