Datasheet

DS1306
16 of 22
DC ELECTRICAL CHARACTERISTICS
(T
A
= Over the operating range, unless otherwise specified.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Leakage I
LI
-100 +500
A
Output Leakage I
LO
-1 +1
A
I
OL
= 1.5mA V
CC
= 2.0 0.4
Logic 0 Output
I
OL
= 4.0mA
V
OL
V
CC
= 5V 0.4
V
I
OH
= -0.4mA V
CCIF
= 2.0V 1.6
Logic 1 Output
I
OH
= -1.0mA
V
OH
V
CCIF
= 5V 2.4
V
Logic 1 Output Current
(INT1 pin)
I
OH
,
INT1
(V
CC2
, V
BAT
)
-0.3V
-100
A
V
CC1
= 2.0V 0.425
V
CC1
Active Supply Current I
CC1A
V
CC1
= 5V 1.28
mA 2, 7
V
CC1
= 2.0V 25.3
V
CC1
Timekeeping Current I
CC1T
V
CC1
= 5V 81
A
1, 7
V
CC2
= 2.0V 0.4
V
CC2
Active Supply Current I
CC2A
V
CC2
= 5V 1.2
mA 2, 8
V
CC2
= 2.0V 0.4
V
CC2
Timekeeping Current I
CC2T
V
CC2
= 5V 1
A
1, 8
Battery Timekeeping Current I
BAT
V
BAT
= 3V 550 nA 9
Battery Timekeeping Current
(IND)
I
BAT
V
BAT
= 3V 800 nA 9
V
CC
Trip Point V
CCTP
V
BAT
-
50
V
BAT
+
200
mV
R1 2
R2 4
Trickle Charge Resistors
R3 8
k
Trickle Charger Diode Voltage
Drop
V
TD
0.7 V
CAPACITANCE
(T
A
= +25C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
I
10 pF
Output Capacitance C
O
15 pF