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AB1815-T3 Datasheet(PDF) 8 Page - Abracon Corporation |
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AB1815-T3 Datasheet(HTML) 8 Page - Abracon Corporation |
8 / 13 page 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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