UPD720112 View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
Manufacturer
UPD720112 Datasheet PDF : 32 Pages
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USB Interface Block
Parameter
Symbol
Low-speed Electrical Characteristics
Rise time (10% to 90%)
tLR
Fall time (90% to 10%)
tLF
Differential rise and fall time matching
tLRFM
Low-speed data rate
tLDRATHS
Downstream facing port source jitter total
(including frequency tolerance) (Figure
2-15):
To next transition
tDDJ1
For paired transitions
tDDJ2
Downstream facing port differential
receiver jitter total (including frequency
tolerance) (Figure 2-17):
To next transition
tUJR1
For paired transitions
tUJR2
Source SE0 interval of EOP (Figure 2-16) tLEOPT
Receiver SE0 interval of EOP (Figure 2-16) tLEOPR
Width of SE0 interval during differential
transition
tLST
Hub differential data delay (Figure 2-13)
tLHDD
Hub differential driver jitter (including cable)
(Figure 2-13):
Downstream facing port
To next transition
For paired transitions
Upstream facing port
To next transition
For paired transitions
tLDHJ1
tLDHJ2
tLUHJ1
tLUHJ2
Data bit width distortion after SOP (Figure
2-13)
tLSOP
Hub EOP delay relative to tHDD (Figure
2-14)
tLEOPD
Hub EOP output width skew (Figure 2-14) tLHESK
Full-speed Electrical Characteristics
Rise time (10% to 90%)
tFR
Fall time (90% to 10%)
tFF
Differential rise and fall time matching
Full-speed data rate
Frame interval
tFRFM
tFDRATHS
tFRAME
Conditions
CL = 200 pF to 600 pF
CL = 200 pF to 600 pF
(tLR/tLF) Note
Average bit rate
CL = 50 pF,
RS = 36 Ω
CL = 50 pF,
RS = 36 Ω
(tFR/tFF)
Average bit rate
Note Excluding the first transition from the Idle state.
Data Sheet S16616EJ2V0DS
µPD720112
MIN.
MAX.
(1/4)
Unit
75
75
80
1.49925
300
300
125
1.50075
ns
ns
%
Mbps
−25
+25
ns
−14
+14
ns
−152
−200
1.25
670
+152
ns
+200
ns
1.5
µs
ns
210
ns
300
ns
−45
−15
−45
−45
−60
0
−300
4
4
90
11.9940
0.9995
+45
ns
+15
ns
+45
ns
+45
ns
+60
ns
200
ns
+300
ns
20
ns
20
ns
111.11
12.0060
1.0005
%
Mbps
ms
19
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