BQ3285E Datasheet, PDF (13/29 Pages) Texas Instruments – Real-Time Clock RTC

bq3285E/L
DC Electrical Characteristics—bq3285E (T_A = T_OPR, V_CC = 5V ± 10%)
Symbol
Parameter
Minimum Typical Maximum Unit
Conditions/Notes
ILI
Input leakage current
-
-
±1
µA VIN = VSS to VCC
ILO
Output leakage current
AD0–AD7, INT, and SQW
-
-
±1
µA in high impedance,
VOUT = VSS to VCC
VOH
VOL
Output high voltage
Output low voltage
2.4
-
-
V IOH = -2.0 mA
-
-
0.4
V IOL = 4.0 mA
ICC
Operating supply current
Min. cycle, duty = 100%,
-
7
15
mA _{IOH = 0mA, IOL = 0mA}
ICCSB
Standby supply current
-
VSO
Supply switch-over voltage
-
ICCB
Battery operation current
-
VPFD
Power-fail-detect voltage
4.0
IRCL
Input current when RCL = VSS.
-
Input current when MOT = VCC
-
IMOTH
Input current when MOT = VSS
-
Input current when EXTRAM =
VCC
-
IXTRAM
Input current when EXTRAM =
VSS
-
300
V_BC
0.3
4.17
-
-
-
-
-
-
-
0.5
4.35
185
-185
0
-185
0
µA
VIN = VSS or VCC,
CS ≥ VCC - 0.2
V
µA V_BC = 3V, TA = 25°C
V
µA Internal 30K pull-up
µA Internal 30K pull-down
µA Internal 30K pull-down
µA Internal 30K pull-down
µA Internal 30K pull-down
Note:
Typical values indicate operation at TA = 25°C, VCC = 5V or VBC = 3V.
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