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SN65HVD72 データシート(Datasheet) 5 Page - Texas Instruments

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部品番号. SN65HVD72
部品情報  3.3V-Supply RS-485 with IEC ESD Protection
ダウンロード  25 Pages
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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SN65HVD72
SN65HVD75
SN65HVD78
www.ti.com
SLLSE11B – MARCH 2012 – REVISED JUNE 2012
SWITCHING CHARACTERISTICS
250 kbps devices (HVD70, 71, 72) bit time > 4 µs (over recommended operating conditions)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DRIVER
Driver differential output rise/fall
0.3
0.7
1.2
µs
tr, tf
time
RL = 54 Ω, CL = 50 pF
See Figure 3
tPHL, tPLH
Driver propagation delay
0.7
1
µs
tSK(P)
Driver pulse skew, |tPHL – tPLH|
0.2
µs
tPHZ, tPLZ
Driver disable time
0.1
0.4
µs
See Figure 4 and
Receiver enabled
0.5
1
µs
Figure 5
tPZH, tPZL
Driver enable time
Receiver disabled
3
9
µs
RECEIVER
tr, tf
Receiver output rise/fall time
12
30
ns
tPHL, tPLH
Receiver propagation delay time
CL = 15 pF
See Figure 6
75
100
ns
tSK(P)
Receiver pulse skew, |tPHL – tPLH|
3
15
ns
tPLZ, tPHZ
Receiver disable time
40
100
ns
Driver enabled
See Figure 7
20
50
ns
tPZL(1), tPZH(1)
Receiver enable time
tPZL(2), tPZH(2)
Driver disabled
See Figure 8
3
8
µs
SWITCHING CHARACTERISTICS
20 Mbps devices (HVD73, 74, 75) bit time > 50 ns (over recommended operating conditions)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DRIVER
Driver differential output rise/fall
2
7
14
ns
tr, tf
time
RL = 54 Ω, CL = 50 pF
See Figure 3
tPHL, tPLH
Driver propagation delay
7
11
17
ns
tSK(P)
Driver pulse skew, |tPHL – tPLH|
0
2
ns
tPHZ, tPLZ
Driver disable time
12
50
ns
See Figure 4 and
Receiver enabled
10
20
ns
Figure 5
tPZH, tPZL
Driver enable time
Receiver disabled
3
7
µs
RECEIVER
tr, tf
Receiver output rise/fall time
5
10
ns
tPHL, tPLH
Receiver propagation delay time
CL = 15 pF
See Figure 6
60
70
ns
tSK(P)
Receiver pulse skew, |tPHL – tPLH|
0
6
ns
tPLZ, tPHZ
Receiver disable time
15
30
ns
Driver enabled
See Figure 7
10
50
ns
tpZL(1), tPZH(1)
Receiver enable time
tPZL(2), tPZH(2)
Driver disabled
See Figure 8
3
8
µs
Copyright © 2012, Texas Instruments Incorporated
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Product Folder Link(s): SN65HVD72 SN65HVD75 SN65HVD78




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