Typical operating characteristics, Timing characteristics (continued) – Rainbow Electronics MAX3345E User Manual
Page 4
Typical Operating Characteristics
(V
CC
= 5V, V
L
= 3.3V, T
A
= +25°C, unless otherwise noted.)
MAX3344E/MAX3345E
±15kV ESD-Protected USB Transceivers
in UCSP with USB Detect
4
_______________________________________________________________________________________
TIMING CHARACTERISTICS (continued)
(V
CC
= 4V to 5.5V, GND = 0, V
L
= 1.65V to 3.6V, ENUM = V
L
, 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.) (Figures 2–6) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Rise Time D+/D-
t
R1
C
L
= 50pF, 10% to 90% of
|V
OH
- V
OL
|
4
20
ns
Fall Time D+/D-
t
F1
C
L
= 50pF, 90% to 10% of
|V
OH
- V
OL
|
4
20
ns
Rise- and Fall-Time Matching
t
R1
/t
F1
(Note 3)
90
111
%
Output Signal Crossover
V
CRS
(Note 3)
1.3
2.0
V
DIFFERENTIAL RECEIVER
(Figures 5 and 6a)
t
PLH(RCV)
18
ns
D+/D- to RCV Propagation Delay
t
PHL(RCV)
18
ns
SINGLE-ENDED RECEIVERS
(Figures 5 and 6a)
t
PLH(SE)
18
ns
D+/D- to VPI or VMI Propagation
Delay
t
PHL(SE)
18
ns
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.
10
12
16
14
18
20
1.5
2.1
1.8
2.4
2.7
3.0
3.3
3.6
DIFFERENTIAL RECEIVER PROPAGATION
DELAY vs. V
L
MAX3344E/45E toc01
V
L
(V)
PROPAGATION DELAY (ns)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
10
12
16
14
18
20
4.00
4.50
4.25
4.75
5.00
5.25
5.50
DIFFERENTIAL RECEIVER PROPAGATION
DELAY vs. V
CC
MAX3344E/45E toc02
V
CC
(V)
PROPAGATION DELAY (ns)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
7
9
8
11
10
14
13
12
15
1.5
2.1
1.8
2.4
2.7
3.0
3.3
3.6
SINGLE-ENDED RECEIVER PROPAGATION
DELAY vs. V
L
MAX3344E/45E toc03
V
L
(V)
PROPAGATION DELAY (ns)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C