PCA9538A 查看數據表（PDF） - NXP Semiconductors.
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PCA9538A Datasheet PDF : 37 Pages
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NXP Semiconductors
PCA9538A
Low-voltage 8-bit I2C-bus I/O port with interrupt and reset
Table 14. Static characteristics …continued
Tamb = 40 C to +85 C; VDD = 1.65 V to 5.5 V; unless otherwise specified.
Symbol Parameter
Conditions
IDD
IDD
Ci
Cio
supply current
additional quiescent
supply current
input capacitance
input/output capacitance
SDA, P port, A0, A1, RESET;
VI on SDA, RESET = VDD or VSS;
VI on P port and A0, A1, A2 = VDD;
IO = 0 mA; I/O = inputs; fSCL = 400 kHz
VDD = 3.6 V to 5.5 V
VDD = 2.3 V to 3.6 V
VDD = 1.65 V to 2.3 V
SCL, SDA, P port, A0, A1, RESET;
VI on SCL, SDA, RESET = VDD or VSS;
VI on P port and A0, A1, A2 = VDD;
IO = 0 mA; I/O = inputs; fSCL = 0 kHz
VDD = 3.6 V to 5.5 V
VDD = 2.3 V to 3.6 V
VDD = 1.65 V to 2.3 V
SCL, SDA, RESET; one input at VDD 0.6 V,
other inputs at VDD or VSS;
VDD = 1.65 V to 5.5 V
P port, A0, A1, RESET; one input at
VDD 0.6 V, other inputs at VDD or VSS;
VDD = 1.65 V to 5.5 V
VI = VDD or VSS; VDD = 1.65 V to 5.5 V
VI/O = VDD or VSS; VDD = 1.65 V to 5.5 V
VI/O = VDD or VSS; VDD = 1.65 V to 5.5 V
Min Typ[1] Max Unit
-
10
25
A
-
6.5 15
A
-
4
9
A
-
1.5 7
A
-
1
3.2 A
-
0.5 1.7 A
-
-
25
A
-
-
80
A
-
6
7
pF
-
7
8
pF
-
7.5 8.5 pF
[1] For IDD, all typical values are at nominal supply voltage (1.8 V, 2.5 V, 3.3 V, 3.6 V or 5 V VDD) and Tamb = 25 C. Except for IDD, the
typical values are at VDD = 3.3 V and Tamb = 25 C.
[2] Typical value for Tamb = 25 C. VOL = 0.4 V and VDD = 3.3 V. Typical value for VDD < 2.5 V, VOL = 0.6 V.
[3] Each I/O must be externally limited to a maximum of 25 mA and the device must be limited to a maximum current of 100 mA.
[4] The total current sourced by all I/Os must be limited to 85 mA.
PCA9538A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 28 September 2012
© NXP B.V. 2012. All rights reserved.
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