Datasheet

Data Sheet S16265EJ5V0DS
24
µ PD720101
(2/2)
Parameter Symbol Conditions Min. Max. Unit
High-speed Source Electrical Characteristics
Rise time (10 to 90%) tHSR 500 ps
Fall time (90 to 10%) tHSF 500 ps
Driver waveform See Figure 3-6.
High-speed data rate tHSDRAT 479.760 480.240 Mbps
Microframe interval tHSFRAM 124.9375 125.0625 µ s
Consecutive microframe interval difference tHSRFI 4 high-
speed
Bit
times
Data source jitter See Figure 3-6.
Receiver jitter tolerance See Figure 3-4.
Hub Event Timings
Time to detect a downstream facing port
connect event
tDCNN 2.5 2000 µ s
Time to detect a disconnect event at a
hub’s downstream facing port
tDDIS 2.0 2.5 µ s
Duration of driving resume to a
downstream port
tDRSMDN Nominal 20 ms
Time from detecting downstream resume
to rebroadcast
tURSM 1.0 ms
Inter-packet delay for packets traveling in
same direction for high-speed
tHSIPDSD 88 Bit
times
Inter-packet delay for packets traveling in
opposite direction for high-speed
tHSIPDOD 8 Bit
times
Inter-packet delay for root hub response for
high-speed
tHSRSPIPD1 192 Bit
times
Time for which a Chirp J or Chirp K must
be continuously detected during reset
handshake
tFILT 2.5 µ s
Time after end of device Chirp K by which
hub must start driving first Chirp K
tWTDCH 100 µ s
Time for which each individual Chirp J or
Chirp K in the chirp sequence is driven
downstream during reset
tDCHBIT 40 60 µ s
Time before end of reset by which a hub
must end its downstream chirp sequence
tDCHSE0 100 500 µ s