Rainbow Electronics DS1672 - Manual (Page 3)

DS1672
3 of 12
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 0V, T
A
= -40 °C to +85°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
V
BACKUP
Current (Osc on) I
BACKUPOSC
0.425 1 mA 5
V
BACKUP
Current (Osc off) I
BACKUP
200 nA
Note 5: Using the recommended crystal on X1 and X2.
CRYSTAL SPECIFICATIONS *
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Nominal Frequency F
O
32.768 kHz
Series Resistance ESR 45 kΩ
Load Capacitance C
L
6 pF
*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