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RV-3049 데이터시트(PDF) 52 Page - MICORO CRYSTAL SWITZERLAND

부품명 RV-3049
상세설명  DTCXO Temperature Compensated Real Time Clock
PDF  65 Pages
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제조업체  MICROCRYSTAL [MICORO CRYSTAL SWITZERLAND]
홈페이지  http://www.microcrystal.com
Logo MICROCRYSTAL - MICORO CRYSTAL SWITZERLAND

RV-3049 데이터시트(HTML) 52 Page - MICORO CRYSTAL SWITZERLAND

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Micro Crystal
DTCXO Temperature Compensated Real Time Clock / Calendar Module
RV-3049
52/65
7. ELECTRICAL CHRACTERISTICS
7.1. ABSOLUTE MAXIMUM RATINGS
In accordance with the Absolute Maximum Rating System IEC 60134
PARAMETER
SYMBOL
CONDITIONS
MIN.
MAX.
UNIT
Supply voltage
VDD
>GND / <VDD
GND -0.3
+6.0
V
Supply current
IDD ; ISS
VDD Pin
-50
+50
mA
Input voltage
VI
Input Pin
GND -0.3
VDD +0.3
V
Output voltage
VO
INT / CLKOUT
GND -0.5
VDD +0.5
V
DC Input current
II
-10
+10
mA
DC Output current
IO
-10
+10
mA
Total power dissipation
PTOT
300
mW
Operating ambient temperature range
TOPR
-40
+125
°C
Storage temperature range
TSTO
Stored as bare product
-55
+125
°C
Electro Static Discharge voltage
VESD
HBM
1)
MM
2)
±2000
±300
V
V
Latch-up current
ILU
3)
200
mA
1)HBM: Human Body Model, according to JESD22-A114.
2)MM: Machine Model, according to JESD22-A115.
3)Latch-up testing, according to JESD78.
Stresses above these listed maximum ratings may cause permanent damage to the device. Exposure beyond
specified operating conditions may affect device reliability or cause malfunction.
7.2. FREQUENCY AND TIME CHARACTERISTICS
VDD= 3.0 V; VSS= 0 V; Tamb= +25°C; fOSC= 32.768 kHz
PARAMETER
SYMBOL
CONDITIONS
TYP.
MAX.
UNIT
32.768 kHz Oscillator Characteristics
Frequency accuracy
∆
f/f
FCLKOUT = 32.7678 kHz
Tamb
= +25°C
VDD
= 3.0 V
+/-10
+/-20
ppm
Frequency vs. voltage characteristics
∆
f/(f∆V)
Tamb = +25°C
VDD = 1.4 V to 5.5 V
+/-0.5
+/-1.0
ppm/V
Frequency vs. temperature characteristics
∆
f/TOPR
TOPR = -40°C to +125°C
VDD = 3.0 V
-0.035
ppm/
°C
2 (T
OPR-T0)
2
(+/-10%)
ppm
Turnover temperature
TO
+25
20 - 30
°C
Aging first year max.
∆
f/f
Tamb = +25°C
+/-3
ppm
Oscillator start-up voltage
VStart
Tamb = +25°C
TStart < 10 s
1.0
V
Oscillator start-up time
TStart
Tamb = -40°C to +85°C
0.5
3
s
Tamb = -40°C to +125°C
1
3
CLKOUT duty cycle
FCLKOUT = 32.7678 kHz
TAMB = +25°C
50
40/60
%
Time accuracy, DTCXO Digitally Temperature Compensated
Time accuracy Opt: A
∆
t/t
Tamb = +25°C
+/-1
+/-3
ppm
Tamb = 0°C to +50°C
+/-2
+/-4
Tamb = -10°C to +65°C
+/-3
+/-5
Tamb = -40°C to +85°C
+/-4
+/-6
Tamb = -40°C to +125°C
+/-5
+/-8
Time accuracy Opt: B
∆
t/t
Tamb = +25°C
+/-1
+/-3
ppm
Tamb = 0°C to +50°C
+/-3
+/-5
Tamb = -10°C to +65°C
+/-5
+/-10
Tamb = -40°C to +85°C
+/-10
+/-25
Tamb = -40°C to +125°C
+/-15
+/-30



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