PCA9617A 查看數據表（PDF） - ON Semiconductor
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PCA9617A Datasheet PDF : 15 Pages
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PCA9617A
DC CHARACTERISTICS VCC(A) = 0.8 V to 5.5 V (Note 7); VCC(B) = 2.2 V to 5.5 V; GND = 0 V; TA = −40°C to +85°C; unless
otherwise specified. Typical values measured with VCC(A) = 0.95 V and VCC(B) = 2.5 V at 25°C, unless otherwise noted.
TA = −405C to +855C
TA = −555C to
+1255C
Symbol
Parameter
Conditions
Min Typ
Max
Min
Max
Unit
INPUT / OUTPUT SDAA, SCLA
ILI
Input Leakage Current
VI = 5.5 V
IIL
LOW−Level Input
Current
SDA, SCL, VI = 0.2 V
±1
±1
mA
10
10
mA
CI/O
Input/Output
Capacitance
INPUT EN
VI = 3 V or 0 V; VCC = 3.3 V;
EN = Low
VI = 3 V or 0 V; VCC = 0 V
7
10
7
10
10
pF
10
VIH
High−Level Input
Voltage
0.7 x
VCC(B)
0.7 x
VCC(B)
V
VIL
Low−Level Input
Voltage
0.3 x
VCC(B)
0.3 x
VCC(B)
V
ILI
Input Leakage Current
±1
±1
mA
IIL(EN)
LOW−Level Input
Current
VI = 0.2 V, EN; VCC(B) = 2.2 V
−18
−7
−4
−18
−4
mA
CI
Input Capacitance
VI = VCC(B)
6
7
7
pF
7. VCC(A) may be as high as 5.5 V for overvoltage tolerance but 0.4 VCC(A) + 0.8 V ≤ VCC(B) for the channels to be enabled and functional
normally.
8. Pull−up should result in IOL ≥ 150 mA.
9. Guaranteed by design and characterization.
10. VIL for port A with envelope noise must be below 0.3 VCC(A) for stable performance.
11. When VCC(A) is less than 1 V, care is required to make certain that the system ground offset and noise are minimized such that there
is reasonable difference between the VIL present at the PCA9617A A−side input and the 0.25 VCC(A) input threshold.
12. Power supply decoupling capacitors need to be present for both VCC(A) and VCC(B) and the 0.1 mF decoupling for VCC(B) needs to be
located near the VCC(B) pin.
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