MAX3345E View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX3345E Datasheet PDF : 15 Pages
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±15kV ESD-Protected USB Transceivers
in UCSP with USB Detect
TIMING CHARACTERISTICS (continued)
(VCC = 4V to 5.5V, GND = 0, VL = 1.65V to 3.6V, ENUM = VL, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
VCC = 5V, VL = 2.5V, TA = +25°C.) (Figures 2–6) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Rise Time D+/D-
tR1
CL = 50pF, 10% to 90% of
|VOH - VOL|
4
20
ns
Fall Time D+/D-
tF1
CL = 50pF, 90% to 10% of
|VOH - VOL|
4
Rise- and Fall-Time Matching
tR1/tF1
(Note 3)
90
Output Signal Crossover
VCRS
(Note 3)
1.3
DIFFERENTIAL RECEIVER (Figures 5 and 6a)
D+/D- to RCV Propagation Delay
tPLH(RCV)
tPHL(RCV)
SINGLE-ENDED RECEIVERS (Figures 5 and 6a)
D+/D- to VPI or VMI Propagation
Delay
tPLH(SE)
tPHL(SE)
20
ns
111
%
2.0
V
18
ns
18
ns
18
ns
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.
(VCC = 5V, VL = 3.3V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
DIFFERENTIAL RECEIVER PROPAGATION
DELAY vs. VL
20
TA = +85°C
18
16
TA = +25°C
14
TA = -40°C
12
10
1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6
VL (V)
DIFFERENTIAL RECEIVER PROPAGATION
DELAY vs. VCC
20
18
TA = +85°C
16
TA = +25°C
14
TA = -40°C
12
10
4.00 4.25 4.50 4.75 5.00 5.25 5.50
VCC (V)
SINGLE-ENDED RECEIVER PROPAGATION
DELAY vs. VL
15
14
13
TA = +85°C
12
11
TA = +25°C
10
9
8
TA = -40°C
7
1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6
VL (V)
4 _______________________________________________________________________________________
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