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THVD1510 Datasheet, PDF (9/39 Pages) Texas Instruments – 5-V RS-485 Transceivers With 18-kV IEC ESD Protection
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THVD1510, THVD1512
THVD1550, THVD1551, THVD1552
SLLSEV1 – SEPTEMBER 2017
7.7 Switching Characteristics
500-kbps devices (THVD1510, THVD1512) over recommended operating conditions
Driver
tr, tf
tPHL, tPLH
tSK(P)
tPHZ, tPLZ
tPZH, tPZL
Receiver
tr, tf
tPHL, tPLH
tSK(P)
tPHZ, tPLZ
tPZH(1),
tPZL(1),
tPZH(2),
tPZL(2)
PARAMETER
Differential output rise/fall time
Propagation delay
Pulse skew, |tPHL – tPLH|
Disable time (THVD1510,
THVD1512)
Enable time (THVD1510,
THVD1512)
Differential output rise/fall time
Propagation delay
Pulse skew, |tPHL – tPLH|
Disable time (THVD1510,
THVD1512)
Enable time (THVD1510,
THVD1512)
TEST CONDITIONS
RL = 54 Ω, CL = 50 pF
RE = 0 V
RE = VCC
CL = 15 pF
See Figure 13
See Figure 14 and
Figure 15
See Figure 16
DE = VCC
DE = 0 V
See Figure 17
See Figure 18
MIN
TYP
MAX UNIT
300
400
600
ns
350
500
ns
15
ns
110
200
ns
100
500
ns
2
4
µs
15
25
ns
50
60
ns
10
ns
30
40
ns
60
100
ns
3
8
μs
7.8 Switching Characteristics
50-Mbps devices (THVD1550, THVD1551, THVD1552) over recommended operating conditions
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Driver
tr, tf
tPHL, tPLH
tSK(P)
tPHZ, tPLZ
tPZH, tPZL
Receiver
Differential output rise/fall time
Propagation delay
Pulse skew, |tPHL – tPLH|
Disable time (THVD1550,
THVD1552)
Enable time (THVD1550,
THVD1552)
RL = 54 Ω, CL = 50 pF
RE = 0 V
RE = VCC
See Figure 13
See Figure 14 and
Figure 15
1
2
6
ns
5
10
16
ns
3.5
ns
10
22
ns
10
22
ns
2
4
μs
tr, tf
tPHL, tPLH
tSK(P)
tPHZ, tPLZ
Differential output rise/fall time
Propagation delay
Pulse skew, |tPHL – tPLH|
Disable time (THVD1550,
THVD1552)
CL = 15 pF
See Figure 16
1
3
6
ns
30
45
ns
2
ns
8
18
ns
tPZH(1),
tPZL(1),
tPZH(2),
tPZL(2)
Enable time (THVD1550,
THVD1552)
DE = VCC
DE = 0 V
See Figure 17
See Figure 18
55
90
ns
3
8
μs
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