PCA9543A Datasheet, PDF (13/23 Pages) Texas Instruments – TWO-CHANNEL I2C-BUS SWITCH WITH INTERRUPT LOGIC AND RESET

NXP Semiconductors
PCA9543A/43B/43C
2-channel I²C-bus switch with interrupt logic and reset
Table 8. Static characteristics
V_DD = 4.5 V to 5.5 V; V_SS = 0 V; T_amb = −40 °C to +85 °C; unless otherwise specified.
See Table 7 on page 12 for V_DD = 2.3 V to 3.6 V.^[1]
Symbol Parameter
Conditions
Min
Typ
Supply
V_DD
supply voltage
I_DD
supply current
I_stb
standby current
V_POR
power-on reset voltage
Input SCL; input/output SDA
Operating mode; V_DD = 5.5 V;
no load; V_I = V_DD or V_SS;
f_SCL = 100 kHz
Standby mode; V_DD = 5.5 V;
no load; V_I = V_DD or V_SS;
f_SCL = 0 kHz
no load; V_I = V_DD or V_SS
4.5
-
-
25
-
0.2
[2] _-
1.7
V_IL
LOW-level input voltage
V_IH
HIGH-level input voltage
I_OL
LOW-level output current V_OL = 0.4 V
V_OL = 0.6 V
I_L
leakage current
V_I = V_DD or V_SS
C_i
input capacitance
V_I = V_SS
Select inputs A0, A1, INT0 to INT3, RESET
−0.5
-
0.7V_DD -
3
-
6
-
−1
-
-
9
V_IL
V_IH
I_LI
C_i
Pass gate
LOW-level input voltage
HIGH-level input voltage
input leakage current
input capacitance
V_I = V_DD or V_SS
V_I = V_SS
−0.5
-
0.7V_DD -
−1
-
-
2
R_on
V_o(sw)
on-state resistance
switch output voltage
I_L
leakage current
C_io
input/output capacitance
INT output
V_DD = 4.5 V to 5.5 V; V_O = 0.4 V;
I_O = 15 mA
V_i(sw) = V_DD = 5.0 V;
I_o(sw) = −100 µA
V_i(sw) = V_DD = 4.5 V to 5.5 V;
I_o(sw) = −100 µA
V_I = V_DD or V_SS
V_I = V_SS
4
9
-
3.6
2.6
-
−1
-
-
3
I_OL
LOW-level output current V_OL = 0.4 V
I_OH
HIGH-level output current
3
-
-
-
[1] For operation between published voltage ranges, refer to the worst-case parameter in both ranges.
[2] V_DD must be lowered to 0.2 V in order to reset part.
Max
Unit
5.5
V
100
µA
1
µA
2.1
V
+0.3V_DD V
6
V
-
mA
-
mA
+1
µA
10
pF
+0.3V_DD V
V_DD + 0.5 V
+50
µA
5
pF
24
Ω
-
V
4.5
V
+100
µA
5
pF
-
mA
+100
µA
PCA9543A_43B_43C_5
Product data sheet
Rev. 05 — 17 November 2008
© NXP B.V. 2008. All rights reserved.
13 of 23