DS17885 Dallas, DS17885 Datasheet - Page 26

• Manufacturer Part Number: DS17885
• Description: (DS17886 / DS17887) 3V/5V Real-Time Clock
• Manufacturer: Dallas

DC ELECTRICAL CHARACTERISTICS
CRYSTAL SPECIFICATIONS*
*The crystal, traces, and crystal input pins should be isolated from RF generating signals. Refer to Application
Note 58, “Crystal Considerations for Dallas Real-Time Clocks” for additional specification.
Average V
Current
CMOS Standby Current
(
Input Leakage Current
(Any Input)
Output Leakage Current
Output Logic 1 Voltage
at -0.4mA
Output Logic 0 Voltage
at +0.8mA
Power-Fail Trip Point
Battery Leakage OSC ON
Battery Leakage OSC OFF
I/O Leakage
IRQ
PWR
Nominal Frequency
Series Resistance
Load Capacitance
CS
= V
Output at 0.4V
Output at 0.4V
PARAMETER
PARAMETER
CC
CC
- 0.2V)
Power-Supply
SYMBOL
SYMBOL
I
I
OLPWR
I
I
V
OLIRQ
ESR
I
I
V
V
BAT1
BAT2
I
I
CC1
CC2
I
C
F
OL
LO
IL
OH
OL
PF
O
L
MIN
MIN
2.4
2.5
-1
-1
-1
26 of 38
6 or 12.5
32.768
0.050
TYP
TYP
0.50
0.5
2.6
15
Over the operating range (3V)
MAX
MAX
0.4
2.7
0.7
0.4
0.8
30
+1
+1
+1
45
2
4
UNITS
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
mA
kHz
kΩ
pF
V
V
V
NOTES
NOTES
1, 2
1, 2
11
11
5
3
4