PCA8565 Datasheet, PDF (27/39 Pages) NXP Semiconductors – Real time clock/calender

NXP Semiconductors
PCA8565
Real time clock/calendar
12. Characteristics
12.1 Static characteristics
Table 30. Static characteristics
V_DD = 1.8 V to 5.5 V; V_SS = 0 V; T_amb = −40 °C to +125 °C; f_osc = 32.768 kHz; quartz R_s = 40 kΩ; C_L = 8 pF; unless otherwise
specified.
Symbol Parameter
Conditions
Min
Typ Max
Unit
Supplies
V_DD
supply voltage
V_low
low voltage
I_DD
supply current
1.8
-
5.5
V
for clock data integrity
V_low
-
5.5
V
for low voltage detection
-
0.9 1.7
V
interface active
f_SCL = 400 kHz
-
f_SCL = 100 kHz
-
interface inactive (f_SCL = 0 Hz); T_amb = 25 °C ^[1]
-
820
µA
-
220
µA
CLKOUT disabled
V_DD = 5.0 V
V_DD = 4.0 V
V_DD = 3.0 V
V_DD = 2.0 V
V_DD = 5.0 V; T_amb = 125 °C
CLKOUT enabled at 32 kHz
-
750 1500
nA
-
700 1400
nA
-
650 1300
nA
-
600 1200
nA
[2] _-
750 5000
nA
[1]
Inputs
V_DD = 5.0 V
V_DD = 4.0 V
V_DD = 3.0 V
V_DD = 2.0 V
V_DD = 5.0 V;T_amb = 125 °C
-
1000 2000
nA
-
900 1800
nA
-
800 1600
nA
-
700 1400
nA
[2] _-
1000 6000
nA
V_IL
LOW-level input voltage
V_IH
HIGH-level input voltage
I_LI
C_i
Outputs
input leakage current
input capacitance
on pins SCL and SDA
on pin OSCI
on pins SCL and SDA; V_I = V_DD or V_SS
V_SS − 0.3 -
0.7V_DD -
0.7V_DD -
−1
0
[3] _-
-
0.3V_DD V
5.5
V
V_DD + 0.3 V
+1
µA
7
pF
I_OL
LOW-level output current V_OL = 0.4 V; V_DD = 5 V
on pin SDA
−3
-
-
mA
on pin INT
−1
-
-
mA
V_O = V_DD or V_SS;
on pin CLKOUT
−1
-
-
mA
I_LO
output leakage current
−1
0
+1
µA
[1] Timer source clock = ¹â„₆₀ Hz, level of pins SCL and SDA is V_DD or V_SS.
[2] Worst case is at high temperature and high supply voltage.
[3] Tested on sample basis.
PCA8565_2
Product data sheet
Rev. 02 — 16 June 2009
© NXP B.V. 2009. All rights reserved.
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