MAX3346E Просмотр технического описания (PDF) - Maxim Integrated
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MAX3346E Datasheet PDF : 17 Pages
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±15kV ESD-Protected USB Transceiver
in UCSP
TIMING CHARACTERISTICS (continued)
(VCC = +4V to +5.5V, GND = 0, VTRM = +3.0V to 3.6V, VL = +1.65V to +3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical
values are at VCC = +5V, VL = +2.5V, TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
D+/D- to VP/VM Propagation
tPLH
Delay
tPHL
FULL-SPEED TIMING CHARACTERISTICS
OE to Transmit Delay Enable
Time
tPZD
OE to Driver Three-State Delay
Disable Time
tPDZ
VP/VM to D+/D- Propagation
Delay (MODE = 1)
VP to D+/D- Propagation Delay
(MODE = 0)
D+, D- Rise Time
D+, D- Fall Time
tPLH
tPHL
tPHL0
tPLH0
tR
tF
Rise- and Fall-Time Matching
(Note 3)
tR/tF
CONDITIONS
CL = 25pF, Figures 4b and 5
CL = 25pF, Figures 4b and 5
(Figures 1b, 4d)
(Figures1b, 4d)
(Figures 3, 4c)
(Figures 3, 4c)
CL = 50pF (Figures 2, 4c)
CL = 50pF (Figures 2, 4c)
CL = 50pF, 10% to 90% of |VOH - VOL|
CL = 50pF, 90% to 10% of |VOH - VOL|
CL = 50pF
MIN TYP MAX UNITS
18
ns
18
20
ns
20
ns
18
ns
18
20
ns
20
4
20
ns
4
20
ns
90
110
%
Output-Signal Crossover Voltage
(Note 3)
VCRS CL = 50pF
1.3
2.0
V
LOW-SPEED TIMING CHARACTERISTICS
VP/VM to D+/D- Propagation
tPLH
Figures 3 and 4c, CL = 50pF to 600pF
30
Delay (MODE = 1)
tPHL
Figures 3 and 4c, CL = 50pF to 600pF
30
VP to D+/D- Propagation Delay
tPHL0 Figures 2 and 4c, CL = 50pF to 600pF
30
(MODE = 0)
tPLH0 Figures 2 and 4c, CL = 50pF to 600pF
30
D+/D- Rise Time
tR
CL = 50pF to 600pF
75
D+/D- Fall Time
tF
CL = 50pF to 600pF
75
Rise- and Fall-Time Matching
tR/tF
CL = 50pF to 600pF
80
Output-Signal Crossover Voltage
VCRS CL = 50pF to 600pF
1.3
250
ns
250
250
ns
250
300
ns
300
ns
125
%
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.
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