BQ3285E Datasheet, PDF (14/29 Pages) Texas Instruments – Real-Time Clock RTC

bq3285E/L
DC Electrical Characteristics—bq3285L (T_A = T_OPR, V_CC = 3.15V ±0.45V)
Symbol
Parameter
Minimum Typical Maximum Unit
Conditions/Notes
ILI
Input leakage current
-
-
±1
µA VIN = VSS to VCC
ILO
Output leakage current
AD0–AD7 and INT in high
-
-
±1
µA impedance,
VOUT = VSS to VCC
VOH
Output high voltage
2.2
-
-
V IOH = -1.0 mA
VOL
Output low voltage
-
-
0.4
V IOL = 2.0 mA
ICC
ICCSB
Operating supply current
Standby supply current
-
5
9
mA ^{Min. cycle, duty = 100%, IOH}
= 0mA, IOL = 0mA
-
100
-
µA
VIN = VSS or VCC,
CS ≥ VCC - 0.2
VSO
Supply switch-over voltage
ICCB
Battery operation current
-
V_PFD
-
V V_BC > VPFD
-
VBC
-
V V_BC < VPFD
-
0.3
0.5
µA
V_BC = 3V, TA = 25°C,
VCC < VBC
VPFD
Power-fail-detect voltage
2.4
2.53
2.65
V
IRCL
Input current when RCL = VSS.
-
Input current when MOT = VCC
-
IMOTH
Input current when MOT = VSS
-
-
120
µA Internal 30K pull-up
-
-120
µA Internal 30K pull-down
-
0
µA Internal 30K pull-down
Input current when EXTRAM =
VCC
-
IXTRAM
Input current when EXTRAM =
VSS
-
-
-120
µA Internal 30K pull-down
-
0
µA Internal 30K pull-down
Note:
Typical values indicate operation at TA = 25°C, VCC = 3V.
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