ERV-4162 Datasheet, PDF (2/2 Pages) EUROQUARTZ limited – Real Time Clock Module

EURO QUARTZ
Real Time Clock Module with I²C Bus
SPECIFICATION (at 25°C)
Symbol
Condition
Min. Typ. Max.
Supply Voltage
V^DD
I2C Bus Active
1.3
Supply Voltage
V^DD
Timekeeping
1
Current consumption
during access
I^DD
fsci=400 kHz V^DD 3V
fsci=400 kHz V^DD 2V
4.4
4.4
35
20
Current consumption
Timekeeping mode
I^DDO
fsci=0 Hz V^DD 3V
fsci=0 Hz V^DD 2V
350 500
270 400
CLKOUT frequency
PROGRAMMABLE
32.768 . . . to . . . 1
Frequency tolerance ∆F/F
@25°C
±20
Ageing first year
∆F/F
@25°C
±3
Frequency vs. temp. ∆F/FO
20 ≤ T^O ≤ 30
-0.035ppm/°C(T-T^O)²Â±10%
Unit
V
V
µA
µA
nA
nA
Hz
ppm
ppm
ppm
ENVIRONMENTAL
Symbol
Conditions
Max. Dev.
Storage temp. range
-55 to +125°C
TA Operating temp. range
-40 to +85°
Shock resistance
∆F/F 5000g. 0.3ms ½ sine ±5ppm
Vibration resistance
∆F/F 20g / 10~2000 Hz ±5ppm
TERMINATIONS & PROCESSING
Package Type
Ceramic 8-pin
Metal lid
Termination
For SMD mounting
AU plated pads
Processing
Reflow soldering
260°C / 20s max.
FREQUENCY/TEMPERATURE CHARACTERISTICS
ERV-4162
Page 2 of 2
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: [phone] Fax: [phone] [e-mail] www.euroquartz.co.uk