MAX3345E Просмотр технического описания (PDF) - Maxim Integrated
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MAX3345E Datasheet PDF : 15 Pages
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±15kV ESD-Protected USB Transceivers
in UCSP with USB Detect
Table 3a. Truth Table Transmit (SUSP = 0, OE = 0, ENUM = X)
INPUT
OUTPUT
MODE
VPO
VMO
D+
D-
RCV
VPI
VMI
RESULT
0
0
0
0
1
0
0
1
LOGIC 0
0
0
1
0
0
RCV*
0
0
SE0
0
1
0
1
0
1
1
0
LOGIC 1
0
1
1
0
0
RCV*
0
0
SE0
1
0
0
0
0
RCV*
0
0
SE0
1
0
1
0
1
0
0
1
LOGIC 0
1
1
0
1
0
1
1
0
LOGIC 1
1
1
1
1
1
X
1
1
UNDEFINED
*RCV denotes the signal level on output RCV just before SE0 state occurs. This level is stable during the SE0 period.
Table 3b. Truth Table Receive (SUSP = 0, OE = 1, ENUM = X)
INPUT
OUTPUT
D+
D-
RCV
VPI
VMI
RESULT
0
0
RCV*
0
0
SE0
0
1
0
0
1
LOGIC 0
1
0
1
1
0
LOGIC 1
1
1
X
1
1
UNDEFINED
*RCV denotes the signal level on output RCV just before SE0 state occurs. This level is stable during the SE0 period.
Table 3c. Truth Table Transmit in Suspend* (SUSP = 1, OE = 0, ENUM = X)
INPUT
OUTPUT
MODE
VPO
VMO
D+
D-
RCV
VPI
VMI
RESULT
0
0
0
0
1
0
0
1
LOGIC 0
0
0
1
0
0
0
0
0
SE0
0
1
0
1
0
0
1
0
LOGIC 1
0
1
1
0
0
0
0
0
SE0
1
0
0
0
0
0
0
0
SE0
1
0
1
0
1
0
0
1
LOGIC 0
1
1
0
1
0
0
1
0
LOGIC 1
1
1
1
1
1
0
1
1
UNDEFINED
*Timing specifications are not guaranteed for D+ and D-.
Table 3d. Truth Table Receive in Suspend* (SUSP = 1, OE = 1, MODE = X, VPO/VMO = X,
ENUM = X)
INPUT
D+
D-
RCV
0
0
0
0
1
0
1
0
0
1
1
0
*Timing specifications are not guaranteed for D+ and D-.
OUTPUT
VPI
VMI
0
0
0
1
1
0
1
1
RESULT
VPI/VMI ACTIVE
VPI/VMI ACTIVE
VPI/VMI ACTIVE
VPI/VMI ACTIVE
10 ______________________________________________________________________________________
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