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AB18X5-RTC 数据表(PDF) 16 Page - Abracon Corporation

部件名 AB18X5-RTC
功能描述  Baseline timekeeping features
PDF  37 Pages
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制造商  ABRACON [Abracon Corporation]
网页  https://abracon.com
标志 ABRACON - Abracon Corporation

AB18X5-RTC 数据表(HTML) 16 Page - Abracon Corporation

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AB18X5 Real-Time Clock with Power
Management Family
Date of Issue: October 16, 2014
3.0 x 3.0 mm
Page 16 of 37
Abracon Drawing #453568
Revision: C
5.5 VCC Supply Current
Table 8 lists the current supplied into the VCC power input under various conditions.
For Table 8, TA = -40 °C to 85 °C, VBAT = 0 V to 3.6 V
TYP values at 25 °C, MAX values at 85 °C, VCC Power state
Table 8: VCC Supply Current
SYMBOL
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
IVCC:I2C
VCC supply current during I2C
burst read/write
400kHz bus speed, 2.2k pull-up
resistors on SCL/SDA(1)
3.0V
6
10
µA
1.8V
1.5
3
IVCC:SPIW
VCC supply current during SPI
burst write
2 MHz bus speed (2)
3.0V
8
12
µA
1.8V
4
6
IVCC:SPIR
VCC supply current during SPI
burst read
2 MHz bus speed (2)
3.0V
23
37
µA
1.8V
13
21
IVCC:XT
VCC supply current in XT oscil-
lator mode
Time keeping mode with XT
oscillator running(3)
3.0V
55
330
nA
1.8V
51
290
IVCC:RC
VCC supply current in RC oscil-
lator mode
Time keeping mode with only
the RC oscillator running (XT
oscillator is off)(3)
3.0V
14
220
nA
1.8V
11
170
IVCC:ACAL
Average VCC supply current in
Autocalibrated
RC
oscillator
mode
Time keeping mode with only
RC oscillator running and Auto-
calibration enabled.
ACP =
512 seconds(3)
3.0V
22
235
nA
1.8V
18
190
IVCC:CK32
Additional VCC supply current
with CLKOUT at 32.786 kHz
Time keeping mode with XT
oscillator running, 32.786 kHz
square wave on CLKOUT(4)
3.0V
3.6
8
µA
1.8V
2.2
5
IVCC:CK128
Additional VCC supply current
with CLKOUT at 128 Hz
All time keeping modes, 128 Hz
square wave on CLKOUT(4)
3.0V
7
35
nA
1.8V
2.5
20
(1) Excluding external peripherals and pull-up resistor current. All other inputs (besides SDA and SCL) are at 0V or VCC.
AB1805 only. Test conditions: Continuous burst read/write, 0x55 data pattern, 25
s between each data byte, 20 pF load
on each bus pin.
(2) Excluding external peripheral current. All other inputs (besides SDI, nCE and SCL) are at 0V or VCC. AB1815 only. Test
conditions: Continuous burst write, 0x55 data pattern, 25
s between each data byte, 20 pF load on each bus pin.
(3) All inputs and outputs are at 0 V or VCC.
(4) All inputs and outputs except CLKOUT are at 0 V or VCC. 15 pF capacitive load on CLKOUT.



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