DS1672 Maxim, DS1672 Datasheet - Page 4

• Manufacturer Part Number: DS1672
• Description: The DS1672 low-voltage serial timekeeping chip incorporates a 32-bit counter and power-monitoring functions
• Manufacturer: Maxim

DC ELECTRICAL CHARACTERISTICS
(V
Note 5: Using the recommended crystal on X1 and X2.
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 specifications
V
V
Nominal Frequency
Series Resistance
Load Capacitance
CC
BACKUP
BACKUP
= 0V, T
Current (Oscillator On)
Current (Oscillator Off)
PARAMETER
PARAMETER
A
= -40°C to +85°C.) (Note 5)
SYMBOL
I
BACKUPOSC
I
*
SYMBOL
BACKUP
ESR
C
f
O
L
4 of 15
MIN
MIN
0.425
TYP
32.768
TYP
6
MAX
MAX
200
45
1
UNITS
UNITS
kHz
kΩ
µA
nA
pF
DS1672