ds1305et-r Maxim Integrated Products, Inc., ds1305et-r Datasheet - Page 16

• Manufacturer Part Number: ds1305et-r
• Description: Ds1305 Serial Alarm Real-time Clock
• Manufacturer: Maxim Integrated Products, Inc.

DC ELECTRICAL CHARACTERISTICS
(Over the operating range, unless otherwise specified.)
CAPACITANCE
(T
Input Leakage
Output Leakage
Logic 0
Output
Logic 1
Output
V
V
(Osc on)
V
(Osc off)
V
V
(Osc on)
V
(Osc off)
Battery Timekeeping Current
Battery Standby Current
V
Trickle Charge Resistors
Trickle Charge Diode
Voltage Drop
Input Capacitance
Output Capacitance
Crystal Capacitance
A
CC1
CC1
CC1
CC2
CC2
CC2
CC
= +25°C)
Trip Point
Timekeeping Current
Timekeeping Current
Active Supply Current
Standby Current
Active Supply Current
Standby Current
PARAMETER
PARAMETER
I
I
I
I
OL
OL
OH
OH
= 1.5mA
= 4.0mA
= -0.4mA
= -1.0mA
V
I
I
I
I
I
I
I
V
V
I
V
CC1A
CC2A
CC1T
CC1S
CC2T
CC2S
BATS
I
R1
R2
R3
I
BAT
CCTP
LO
LI
OH
OL
TD
SYMBOL
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
SYMBOL
CC
CC
CCIF
CCIF
CC1
CC1
CC1
CC1
CC1
CC1
CC2
CC2
CC2
CC2
CC2
CC2
BAT
BAT
C
C
C
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 2.0V
= 5V
= 3V
= 3V
O
X
= 2.0V
= 5V
I
16 of 21
MIN
V
BAT
MIN
-100
1.6
2.4
-1
- 50
TYP
10
15
6
TYP
0.7
2
4
8
MAX
V
MAX
0.425
+500
1.28
25.3
200
200
400
200
200
BAT
0.4
0.4
0.4
1.2
0.3
81
25
80
1
1
+
UNITS
pF
pF
pF
UNITS
mA
mA
mV
µA
µA
µA
µA
µA
kW
nA
nA
nA
V
V
V
NOTES
NOTES
1, 8, 12
6, 8, 12
1, 9, 12
6, 9, 12
10, 12
10, 12
2, 8
2, 9