ST491A(2007) 查看數據表（PDF） - STMicroelectronics
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ST491A Datasheet PDF : 17 Pages
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Electrical characteristics
ST491A
Table 9.
Symbol
Receiver switching characteristics
(VCC = 4.5V to 5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are
referred to TA=25°C)
Parameter
Test conditions
Min. Typ. Max. Unit
tPLH
tPHL
tSKD
Propagation delay input
to output
|tPLH - tPHL| Receiver
output skew
CL = 15pF, (Figure 2., Figure 4.)
CL = 15pF, (Figure 2., Figure 4.)
19
30
ns
1
3
ns
tTLH
tTHL
Rise or fall time
tPZL
Output enable time
tPZH
Output enable time
tPHZ
Output disable time
tPLZ
Output disable time
CL = 15pF, (Figure 2., Figure 4.)
CRL= 15pF, S1 Closed
CRL= 15pF, S2 Closed
CRL= 15pF, S2 Closed
CRL= 15pF, S1 Closed
6
ns
6
12
ns
7
12
ns
6
12
ns
6
12
ns
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