Raltron CMC20815CU1-32.768 Ultra low power 32.768khz Datasheet

Ultra Low Power 32.768KHz
MEMS Oscillator
Page 1 of 5
CMC208-SERIES
■ Ultra Low power: < 1A
■ Fixed 32.768 kHz
■ No Supply Voltage external bypass capacitors required
■ XTAL replacement in 2.0 mm x 1.2 mm SMD
■ SMD package 2.0 x 1.2 mm
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
VALUE
Min.
Frequency nominal
Supply Voltage
f0
Vs
Core Supply Current
Is
Output Stage Supply Current
Is0ut
Operating Temperature
Ta
Frequency Tolerance
Δf/f0
Frequency Stability
Δf/f0
Power supply Ramp
Start-up Time
Typ.
Max.
32.768
Ta = -10°C to +70°C
Ta = -40°C to +85°C
Vs = 1.8V, no load condition,
Ta = 25°C
Vs = 3.63V max, Ta = -10°C to +70°C
no load condition
Vs = 3.63V max, Ta = -40°C to +85°C
no load condition
Is does not include output stage
current or load. To derive total
operating current( no load) ,add
Is+(0.065A)(peak to peak output
Voltage swing )
1.2
1.5
0.9
1.3
Vs = 1.5V~3.63V max,
Ta = -40°C to +85°C,no load condition
Commercial
Industrial
After two reflows, at 25°C
Vs=1.5V ~ 3.63V
Ta = -10°C to +70°C, Vs=1.5~3.63V
Ta = -40°C to +85°C, Vs=1.5~3.63V
Ta = -10°C to +70°C, Vs=1.2~1.5V
Measured peak to peak, inclusive of
initial tolerance at 25°C, variations over
operating temperature range, rated
supply voltage and load
Ta = -40°C ≤ Ta ≤ +50°C, valid output
Ta = 50°C ≤ Ta ≤ +85°C, valid output
kHz
3.63
3.63
0.065
-10
-40
Ta = -40°C to +85°C, 0 to 90% Vs
T START
UNIT
180
V
V
A
A
1.4
A
0.125
A/Vpp
+70
+85
C
°C
20
ppm
75
100
250
ppm
ppm
ppm
100
ms
300
450
ms
ms
RALTRON ELECTRONICS  10400 N.W . 33rd St  Miam i, Florida 33172  U.S.A.
phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: [email protected]  internet: http://www.raltron.com
Ultra Low Power 32.768KHz
MEMS Oscillator
2 of 5
CMC208-SERIES
OUTPUT CHARACTERISTICS
VALUE
LVCMOS
PARAMETER
SYMBOL
VOH
CONDITION
Min
Typ.
Max
UNIT
0.9 Vs
Vs= 1.5V ~ 3.63V. IOH= -10A, 15 pF
V
Output Levels
VOL
Vs= 1.5V ~ 3.63V. IOL= 10A, 15 pF
Duty Cycle
DC
Rise/ Fall Time
Tr/ Tf
10-90% Vs, 15 pF Load, Vs=1.5V to 3.63V
10-90% Vs, 5 pF Load, Vs≥1.62V
SYMBOL
CONDITION
48
100
0.1Vs
V
52
%
200
50
ns
ns
VALUE
Nano DriveTM Programmable
Reduced Swing Output
PARAMETER
VOH
Output Levels
VOL
Duty Cycle
DC
Rise/ Fall Time
Tr/ Tf
AC- couple Programmable
Output Swing
V sw
Programmable Output Voltage Swing
Tolerance
DC bias programmable output voltage
High range
Vs=1.5V~3.63V, IOH= -0.2A, 10pF Load
See Table 1
DC bias programmable output voltage
Low range
Vs=1.5V~3.63V, IOH= 0.2A, 10pF Load
See Table 1
Typ.
UNIT
V
0.35 to 0.80
V
30-70%( VOL /VOH ), 10 pF Load
Vs= 1.5V ~ 3.63V, 10 pF Load ,
IOH / IOL=±0.2A
This output is intended for a receiver that
is AC- coupled, see table 1
Max
0.6 to 1.225
48
52
%
200
ns
0.20 to 0.80
-0.055
Ta = -40°C to +85°C, Vs=1.5~3.63V
Jp
Period Jitter RMS
Min
Cycles = 10000, Ta = 25°C, Vs=1.5~3.63V
V
0.055
35
V
ns
Table1. NanoDriveTM Output levels
NanoDriveTM
VOH ( V )
VOL ( V )
Swing ( mV )
D26
1.2
0.6
600±55
1.8V logic compatible
D14
1.1
0.4
700±55
1.8V logic compatible
D74
0.7
0.4
300±55
XTAL compatible
AA3
-
-
300±55
XTAL compatible
RALTRON ELECTRONICS  10400 N.W . 33rd St  Miam i, Florida 33172  U.S.A.
phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: [email protected]  internet: http://www.raltron.com
Ultra Low Power 32.768KHz
MEMS Oscillator
3 of 5
CMC208-SERIES
MECHANICAL DIMENSIONS AND PIN FUNCTIONING

PIN
SYMBOL
1
NC
2
GND
3
OUTPUT
4
Vs
FUNCTION
No connect. This pin will not respond to any input signal. It can be
left floating
Electrical Ground
Output Signal 1
Supply Voltage 2

Note: 1. Oscillator output signal. When interfacing to an MCU’s XTAL, the CLK Out is typically connected to the
Receiving IC’s XIN pin. Oscillator includes an internal driver. The output swing and operation is not dependent on capacitive
loading.
2. Connect to supply voltage 1.5V≤Vs≤3.63V for operation over -40°C to +85°C temperature range. Under normal operation
Conditions, Vs does not require external bypass/ decoupling capacitor(s). Internal power supply filtering will reject more than
±150mV p-p with frequency components through 10MHz.
RALTRON ELECTRONICS  10400 N.W . 33rd St  Miam i, Florida 33172  U.S.A.
phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: [email protected]  internet: http://www.raltron.com
Ultra Low Power 32.768KHz
MEMS Oscillator
4 of 5
CMC208-SERIES
ENVIRONMENTAL
REFLOW PROFILE
Soldering
MIL-STD-883F, Method 2003
Moisture Sensitivity Level
MSL 1 at 260°C
Temperature Cycle
JESD22, Method A104
Vibration
MIL-STD-883F, Method 2007
Mechanical Shock
MIL-STD-883F, Method 2002
Storage Temperature
-65° ……. +150°C
REFLOW PROFILE
tP
TP
Critical Zone
TL to TP
Ramp-up
TL
tL
TSMAX
Temp.
[°C]
TSMIN
Ramp-down
tS Preheat
t[25°C] to Peak
Temperature Min Preheat
Temperature Max Preheat
Time (TSMIN to TSMAX)
Temperature
Peak Temperature
Ramp-up rate
Ramp-down rate
Time within 5°C of Peak Temperature
Time t[25°C] to Peak Temperature
Time
Time [sec]
Recommended Solder Reflow Profile
TSMIN
TSMAX
tS
TL
TP
RUP
RDOWN
tP
t[25°C] to Peak
tL
150°C
200°C
60-180 sec.
217°C
260°C
3°C/sec max.
6°C/sec max.
10 sec
480 sec.
60-150 sec.
RALTRON ELECTRONICS  10400 N.W . 33rd St  Miam i, Florida 33172  U.S.A.
phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: [email protected]  internet: http://www.raltron.com
Ultra Low Power 32.768KHz
MEMS Oscillator
5 of 5
CMC208-SERIES
ORDERING INFORMATION
SERIES
SUPPLY VOLTAGE
(V)
Frequency
Stability
TEMP
RANGE
(°C )
Output Signal
-
OUTPUT FREQUENCY
(kHz)
1: LVCMOS
NanoDriveTM Reduced
Swing Output setting
options
12: Vs=1.2V~3.6V
CMC208
15: Vs=1.5V~3.6V
A: AC-coupled
A: ±75 ppm
B: ±100ppm
C: ±200ppm
U: -10~70
D: DC- coupled
32.768
-
V: -40~85
26:D26
14:D14
74:D74
3:AA3
See table 1
APPROVALS
Eng. approval, date: SP, 07 / 21 / 2016
Created by, date:
SP, 07 /21 / 2016
Revision: A
RALTRON ELECTRONICS  10400 N.W . 33rd St  Miam i, Florida 33172  U.S.A.
phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: [email protected]  internet: http://www.raltron.com
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