YTD428(2001) 데이터 시트보기 (PDF) - Yamaha Corporation
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YTD428 Datasheet PDF : 14 Pages
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s T Reference Point Transmit Characteristic (TE mode)
(VDD = 5.0 V, Top = -20 ~ 70 °C, CL = 50 pF)
Parameter
HTD, LTD Pulse Period
HTD, LTD Pulse Gap
HTD, LTD Rise Time
HTD, LTD Fall Time
Transmit Signal
Delay Time
Zero Cross Delay Time
Symbol
tSW
tGAP
tSR
tSF
tSRL
tSRH
tSFH
tSFL
tSDZ
Condition
Note 1
Note 1
Note 1
Note 1
Note 1
Min.
4.95
0
0
490
0
165
490
Typ.
Max.
5.45
260
260
30
490
1010
165
685
1010
Units
µs
ns
ns
ns
ns
ns
ns
ns
ns
Note 1
Note 2
Measuring with RL voltage drop as shown in Figure 4.
Figure 3 shows the timing when TDP = “H”. When TDP = “L”, the output signal polarity from HRD and LRD pins are
inverted.
HTD (I)
LTD (I)
Transmit signal (O)
(LOI - LO2)
t SW
t SR
t SF
t SW
t GAP
t SRH
t SRL
t SFL
t SFH
t SR
t SRH
t SRL
t SF
t SDZ
t SFL
t SFH
Figure 3 Transmit Timing
2.4 V
0.4 V
2.4 V
0.4 V
1.35 V
0.15 V
-0.15 V
-1.35 V
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