BQ4850Y_14 Datasheet, PDF (7/17 Pages) Texas Instruments – RTC Module With 512Kx8 NVSRAM

Not Recommended For New Designs
bq4850Y
DC Electrical Characteristics (TA = TOPR, _VCCmin ≤ VCC ≤ VCCmax)
Symbol
Parameter
ILI
Input leakage current
ILO
VOH
VOL
ISB1
Output leakage current
Output high voltage
Output low voltage
Standby supply current
ISB2
Standby supply current
Minimum
-
-
2.4
-
-
-
ICC
VPFD
VSO
Operating supply current
-
Power-fail-detect voltage
4.30
Supply switch-over voltage
-
Typical
-
-
-
-
3
0.1
-
4.37
3
Maximum
±1
±1
-
0.4
5
1
90
4.50
-
Unit
µA
µA
V
V
mA
mA
mA
V
V
Conditions/Notes
VIN = VSS to VCC
CE = VIH or OE = VIH or
WE = VIL
IOH = -1.0 mA
IOL = 2.1 mA
CE = VIH
CE ≥ VCC - 0.2V,
0V ≤ VIN ≤ 0.2V,
or VIN ≥ VCC - 0.2V
Min. cycle, duty = 100%,
CE = VIL, II/O = 0mA
Note:
Typical values indicate operation at TA = 25°C, VCC = 5V.
Capacitance (TA = 25°C, F = 1MHz, VCC = 5.0V)
Symbol
CI/O
CIN
Parameter
Input/output capacitance
Input capacitance
Minimum
-
-
Typical Maximum Unit
Conditions
-
10
pF Output voltage = 0V
-
10
pF Input voltage = 0V
Note:
These parameters are sampled and not 100% tested.
SLUS057A- January 2005
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