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AB1815-T3 Datasheet(PDF) 8 Page - Abracon Corporation

Part # AB1815-T3
Description  The Abracon Corporation AB18XX Real Time Clock with Power Management family provides a groundbreaking combination of ultra-low power coupled with a highly sophisticated feature set.
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Manufacturer  ABRACON [Abracon Corporation]
Direct Link  https://abracon.com
Logo ABRACON - Abracon Corporation

AB1815-T3 Datasheet(HTML) 8 Page - Abracon Corporation

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AB18XX Series
Real Time Clock Module
Date of Issue: Sept. 10
th, 2012
3.0 x 3.0 mm
ESD Sensitive
Page (7) of (13)
Abracon Drawing #
Revision #: Initial Release
5.3
Supply Current
The current supplied into the VCC or VBAT power inputs under various conditions is shown below.
TA = -40 °C to 85 °C, VBAT = 0 V to 3.6 V, TYP values at 25 °C
SYMBOL
PARAMETER
TEST
CONDITIONS
VCC
VBAT
MIN
TYP
MA
X
UNIT
IVCC:I2C
VCC supply
current during
I
2C burst
read/write
400kHz bus speed,
10k pull-up resistors
on SCL/SDA. (1)
3.0V
NA
20
µA
1.8V
10
IVCC:SPI
VCC supply
current during
SPI burst
read/write
2 MHz bus speed (2)
3.0V
NA
10
µA
1.8V
5
IVCC:XT
VCC supply
current in XT
oscillator mode.
Time keeping mode
with XT oscillator
running. (3)
3.0V
NA
55
nA
1.8V
50
IVCC:RC
VCC supply
current in RC
oscillator mode.
Time keeping mode
with only the RC
oscillator running
(XT oscillator is off).
(3)
3.0V
NA
15
nA
1.8V
12
IVCC:ACAL
VCC supply
current in
autocalibrated
RC oscillator
mode.
Time keeping mode
with only RC
oscillator running and
autocalibration
enabled. ACP = 512
seconds. (3)
3.0V
NA
18
nA
1.8V
15
IVBAT:XT
VBAT supply
current in XT
oscillator mode.
Time keeping mode
with XT oscillator
running. (3)
< 1.5V
3.0V
55
nA
1.8V
50
IVBAT:RC
VBAT supply
current in RC
oscillator mode.
Time keeping mode
with only the RC
oscillator running
(XT oscillator is off).
(3)
< 1.5V
3.0V
15
nA
1.8V
12
IVBAT:ACAL
VBAT supply
current in
autocalibrated
RC oscillator
mode.
Time keeping mode
with only RC
oscillator running and
autocalibration
enabled. ACP = 512
seconds. (3)
< 1.5V
3.0V
18
nA
1.8V
15
IVBAT:VCC
VBAT supply
current in VCC
powered mode.
VCC powered mode.
(3)
> 1.5V
3.0V
290
pA
1.8V
190
(1) Excluding external peripherals and pull-up resistor current. All other inputs (besides SDA and SCL) are at 0V or
VCC. AB080X and AB180X only.
(2) Excluding external peripheral current. All other inputs (besides SDI, nCE and SCL) are at 0V or VCC. AB081X and
AB181X only.
(3) All inputs and outputs are at 0V or VCC.


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