Max3301e usb on-the-go transceiver and charge pump, Timing characteristics – Rainbow Electronics MAX3301E User Manual
Page 5
MAX3301E
USB On-the-Go Transceiver and Charge Pump
_______________________________________________________________________________________
5
TIMING CHARACTERISTICS
(V
CC
= +3V to +4.5V, V
L
= +1.65V to +3.6V, C
FLYING
= 100nF, C
VBUS
= 1µF, ESR
CVBUS
= 0.1
Ω (max), T
A
= T
MIN
to T
MAX
, unless
otherwise noted. Typical values are at V
CC
= +3.7V, V
L
= +2.5V, T
A
= +25°C.) (Note 2)
PARAMETER
SYM B O L
CONDITIONS
MIN
TYP
MAX
UNITS
TRANSMITTER CHARACTERISTICS (FULL-SPEED MODE)
D+, D- Rise Time
t
R
Figures 2 and 5
4
20
ns
D+, D- Fall Time
t
F
Figures 2 and 5
4
20
ns
Rise-/Fall-Time Matching
Figures 2 and 5 (Note 3)
90
110
%
Output-Signal Crossover Voltage
V
CRS_F
Figures 2, 6, and 7 (Note 3)
1.3
2.0
V
TRANSCEIVER CHARACTERISTICS (LOW-SPEED MODE)
D+, D- Rise Time
t
R
Figures 2 and 5
75
300
ns
D+, D- Fall Time
t
F
Figures 2 and 5
75
300
ns
Rise-/Fall-Time Matching
Figures 2 and 5
80
125
%
Output-Signal Crossover Voltage
V
CRS_L
Figures 2, 6, and 7
1.3
2.0
V
TRANSMITTER TIMING (FULL-SPEED MODE)
t
PLH
Low-to-high, Figures 2 and 6
25
Driver Propagation Delay
(DAT_VP, SE0_VM to D+, D-)
t
PHL
High-to-low, Figures 2 and 6
25
ns
Driver Disable Delay
t
PDZ
Figures 1 and 8
25
ns
Driver Enable Delay
t
PZD
Figures 2 and 8
25
ns
TRANSMITTER TIMING (LOW-SPEED MODE) (Low-speed delay timing is dominated by the slow rise and fall times.)
SPEED-INDEPENDENT TIMING CHARACTERISTICS
Receiver Disable Delay
t
PVZ
Figure 4
30
ns
Receiver Enable Delay
t
PZV
Figure 4
30
ns
D+ Pullup Assertion Time
During HNP
3
µs
RCV Rise Time
t
R
Figures 3 and 5, C
L
= 15pF
4
ns
RCV Fall Time
t
F
Figures 3 and 5, C
L
= 15pF
4
ns
Figures 3 and 10, |D+ - D-| to DAT_VP
30
Differential-Receiver Propagation
Delay
t
PHL
, t
PLH
Figures 3 and 9, |D+ - D-| to RCV
30
ns
Single-Ended-Receiver
Propagation Delay
t
PHL
, t
PLH
Figures 3 and 9, D+, D- to DAT_VP,
SE0_VM
30
ns
Interrupt Propagation Delay
100
µs
V
BUS_CHRG
Propagation Delay
Dominated by the V
BUS
rise time
0.2
µs
Time to Exit Shutdown
1
µs
Shutdown Delay
10
µs