73S1215F Data Sheet DS_1215F_003
128 Rev. 1.4
PIN
TTL
To
circuit
VERY
WEAK
PFET
Pull-up
Enable
ESD
ESD
VDD
Figure 42: PRES Input Circuit
DP
DM
TTL
TTL
IN_P
IN_N
DP_IN
DM_IN
RCV_IN
RP_ENb
DP_OUT
DM_OUT
ZOUT=
20Ω
ZOUT=
20Ω
OUTPUT ENABLEb
OUTPUT ENABLEb
1500 Ω
VDD
ESD
ESD
VDD
VDD
Figure 43: USB Circuit
