Datasheet

MAX3346E
±15kV ESD-Protected USB Transceiver
in UCSP
10 ______________________________________________________________________________________
(a) LOAD FOR ENABLE AND DISABLE TIME, VP/VM.
(b) LOAD FOR VP, VM AND RCV.
(c) LOAD FOR D+/D-.
(d) LOAD FOR ENABLE AND DISABLE TIME, D+/D-.
VP or VM
GND
or V
CC
TEST POINT
200
Ω
25pF
+
-
MAX3346E
VM or VP or RCV
25pF
MAX3346E
TEST POINT
D+ or D-
23.7
Ω
C
L
15k
Ω
1.5k
Ω
3.3V
MAX3346E
TEST POINT
D+ or D-
200
Ω
23.7
Ω
MAX3346E
50pF
GND
or V
CC
+
-
TEST POINT
Figure 4. Test Circuits
t
PHL
t
PLH
t
PHL
t
PLH
t
PLH
t
PHL
D+
D-
RCV
VP
VM
D+/D- RISE/FALL TIMES ≤ 8ns, V
L
= 1.65V, 2.5V, 3.3V
3V
0V
V
L
V
L
/2
V
L
/2
V
L
/2
0V
V
L
0V
V
L
0V
Figure 5. D+/D- to RCV, VP, VM Propagation Delays