DS1306_05 Datasheet, PDF (16/21 Pages) Dallas Semiconductor – Serial Alarm Real-Time Clock

DS1306
DC ELECTRICAL CHARACTERISTICS
(T_A = Over the operating range, unless otherwise specified.)
PARAMETER
SYMBOL
MIN
Input Leakage
I_LI
-100
Output Leakage
I_LO
-1
Logic 0 Output ^{IOL = 1.5mA}
I_OL = 4.0mA
V_OL
V_CC = 2.0
V_CC = 5V
Logic 1 Output
I_OH = -0.4mA
I_OH = -1.0mA
V_OH
V_CCIF = 2.0V
V_CCIF = 5V
1.6
2.4
Logic 1 Output Current
(INT1 pin)
I_OH, (V_CC2, V_BAT)
INT1 -0.3V
-100
V_CC1 Active Supply Current
V_CC1 Timekeeping Current
V_CC2 Active Supply Current
V_CC2 Timekeeping Current
I_CC1A
I_CC1T
I_CC2A
I_CC2T
V_CC1 = 2.0V
V_CC1 = 5V
V_CC1 = 2.0V
V_CC1 = 5V
V_CC2 = 2.0V
V_CC2 = 5V
V_CC2 = 2.0V
V_CC2 = 5V
Battery Timekeeping Current
I_BAT V_BAT = 3V
Battery Timekeeping Current
(IND)
I_BAT V_BAT = 3V
V_CC Trip Point
V_CCTP
V_BAT -
50
R1
Trickle Charge Resistors
R2
R3
Trickle Charger Diode Voltage
Drop
V_TD
TYP
2
4
8
0.7
CAPACITANCE
(T_A = +25°C)
PARAMETER
Input Capacitance
Output Capacitance
Crystal Capacitance
SYMBOL
C_I
C_O
C_X
MIN
TYP
10
15
6
MAX
+500
+1
0.4
0.4
0.425
1.28
25.3
81
0.4
1.2
0.4
1
550
800
V_BAT +
200
MAX
UNITS
mA
mA
V
V
mA
mA
mA
mA
mA
nA
nA
mV
kW
V
UNITS
pF
pF
pF
NOTES
2, 7
1, 7
2, 8
1, 8
9
9
NOTES
16 of 21