ST485EB データシートの表示（PDF） - STMicroelectronics
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ST485EB Datasheet PDF : 18 Pages
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Electrical characteristics
ST485EB - ST485EC - ST485EX
Table 9.
Symbol
Receiver switching characteristics (VCC = 5 V ± 5%, TA = TMIN to TMAX, unless otherwise
specified. Typical values are referred to TA = 25 °C)
Parameter
Test conditions (1)
Min. Typ. Max. Unit
tPLH
tPHL
tSKD
Propagation delay input to
output
Differential receiver skew
RDIFF = 54 Ω, CL1 = CL2 = 100 pF
(See Figure 4 and Figure 8)
RDIFF = 54 Ω, CL1 = CL2 = 100 pF
(See Figure 4 and Figure 8)
110 130 ns
5
10
ns
tPZH Output enable time
CRL = 15 pF, S1 = Closed
(See Figure 2 and Figure 9)
11
35
ns
tPZL Output enable time
CRL = 15 pF, S2 = Closed
(See Figure 2 and Figure 9)
13
35
ns
tPLZ Output disable time
CRL = 15 pF, S1 = Closed
(See Figure 2 and Figure 9)
13
35
ns
tPHZ Output disable time
CRL = 15 pF, S2 = Closed
(See Figure 2 and Figure 9)
11
35
ns
fMAX Maximum data rate
5
Mbps
1. All currents into device pins are positive; all out of device pins are negative; all voltages are referenced to device ground
unless specified
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