RV-8564 Datasheet, PDF (29/40 Pages) MICORO CRYSTAL SWITZERLAND – I2C-Bus Interface Real Time Clock

Micro Crystal
Real Time Clock / Calendar Module
RV-8564
13.FREQUENCY CHARACTERISTICS
PARAMETER
Frequency precision
SYMBOL
∆F/F
Frequency vs. voltage characteristics
∆F/V
Frequency vs. temperature characteristics
Turnover temperature
Aging first year max.
Oscillation startup time
CLKOUT duty cycle
∆F/FOPR
T0
VO ∆F/F
II
δCLKOUT
CONDITIONS
TAMB = +25°C
VDD = 3.0 V
TAMB = +25°C
VDD = 1.8 V to 5.5 V
TREF = +25°C
VDD = 3.0 V
At 25°C
At 25°C
At 25°C
13.1. FREQUENCY VS. TEMPERATURE CHARACTERISTICS
20.0
0.0
-20.0
-40.0
-60.0
-80.0
-100.0
-120.0
-140.0
-160.0
-180.0
-60
-40
-20
T₀ = 25°C (±5°C)
-0.035 * (T-T0)² ppm (±10%)
0
20
40
60
T [°C]
TYP.
+/-10
MAX.
+/-20
+/-0.8
+/-1.5
-0.035^ppm/°C2 (TOPR-TO)²
+/-10%
+25
+/-5
+/-3
350
500
50
40 / 60
80
100
UNIT
ppm
ppm / V
ppm
°C
ppm
ms
%
29/40