BQ2204A Datasheet, PDF (5/12 Pages) Texas Instruments – X4 SRAM Nonvolatile Controller Unit

bq2204A
DC Electrical Characteristics (TA = TOPR, VCC = 5V ± 10%)
Symbol
Parameter
ILI
Input leakage current
VOH
Output high voltage
VOHB
VOH, BC supply
VOL
Output low voltage
ICC
Operating supply current
VPFD
VSO
Power-fail detect voltage
Supply switch-over voltage
Minimum
-
2.4
VBC - 0.3
-
-
4.55
4.30
-
ICCDR
Data-retention mode
current
-
VBC
VBSO
IOUT1
IOUT2
Active backup cell
voltage
Battery switch-over voltage
VOUT current
VOUT current
-
-
0.25
-
-
Typical
-
-
-
-
3
4.62
4.37
VBC
-
VBC1
VBC2
0.4
-
100
Maximum
±1
-
-
0.4
6
4.75
4.50
-
100
-
-
0.6
160
-
Unit
µA
V
V
V
mA
V
V
V
nA
V
V
V
mA
µA
Conditions/Notes
VIN = VSS to VCC
IOH = -2.0mA
V_BC > V_CC, I_OH = -10µA
IOL = 4.0mA
No load on outputs.
THS = VSS
THS = VCC
VOUT data-retention current
to additional memory not in-
cluded.
VBC1 > VBC2 + VBSO
VBC2 > VBC1 + VBSO
VOUT > VCC - 0.3V
VOUT > VBC - 0.2V
Note:
Typical values indicate operation at TA = 25°C, VCC = 5V or VBC.
Capacitance (TA = 25°C, F = 1MHz, VCC = 5.0V)
Symbol
Parameter
Minimum Typical
CIN
COUT
Input capacitance
Output capacitance
-
-
-
-
Note:
This parameter is sampled and not 100% tested.
Maximum
8
10
Unit
Conditions
pF Input voltage = 0V
pF Output voltage = 0V
Dec. 1992 B
5