PCA9515A 데이터 시트보기 (PDF) - NXP Semiconductors.
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PCA9515A Datasheet PDF : 20 Pages
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NXP Semiconductors
PCA9515A
I2C-bus repeater
10. Dynamic characteristics
Table 6. Dynamic characteristics (VCC = 2.3 V to 2.7 V)
VCC = 2.3 V to 2.7 V; GND = 0 V; Tamb = 40 C to +85 C; unless otherwise specified.
Symbol Parameter
Conditions
Min
tPHL
HIGH to LOW propagation delay
Figure 8
45
tPLH
LOW to HIGH propagation delay
Figure 8
[2] 33
tTHL
HIGH to LOW output transition time Figure 8
-
tTLH
LOW to HIGH output transition time Figure 8
[2] -
tsu
set-up time
EN HIGH before START condition
100
th
hold time
EN HIGH after STOP condition
130
Typ[1]
82
113
57
148
-
-
Max
130
190
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
[1] Typical values taken at VCC = 2.5 V and Tamb = 25 C.
[2] Different load resistance and capacitance will alter the RC time constant, thereby changing the propagation delay and transition times.
Table 7. Dynamic characteristics (VCC = 3.0 V to 3.6 V)
VCC = 3.0 V to 3.6 V; GND = 0 V; Tamb = 40 C to +85 C; unless otherwise specified.
Symbol Parameter
Conditions
tPHL
HIGH to LOW propagation delay
Figure 8
tPLH
LOW to HIGH propagation delay
Figure 8
tTHL
HIGH to LOW output transition time Figure 8
tTLH
LOW to HIGH output transition time Figure 8
tsu
set-up time
EN HIGH before START condition
th
hold time
EN HIGH after STOP condition
Min
45
[2] 33
-
[2] -
100
100
Typ[1]
68
102
58
147
-
-
Max
120
180
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
[1] Typical values taken at VCC = 3.3 V and Tamb = 25 C.
[2] Different load resistance and capacitance will alter the RC time constant, thereby changing the propagation delay and transition times.
10.1 AC waveforms
input
1.5 V
tPHL
output
80 %
1.5 V
20 %
tTHL
1.5 V
tPLH
3.3 V
0.1 V
1.5 V
20 %
80 %
3.3 V
tTLH
VOL
002aad478
Fig 8. Propagation delay and transition times
PCA9515A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 23 March 2012
© NXP B.V. 2012. All rights reserved.
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