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327SMOB Datasheet, PDF (1/1 Pages) Wolfgang Knap – Crystal Clock Oscillators | |||
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Crystal Clock Oscillators
327SMO(B) (+3.3V 32.768 kHz MODEL)
STANDARD SMD CLOCK OSCILLATORS
327SMO(B)
Actual Size
327SMO(B)
4.0±0.2
#4
#3
#1
#2
0.9 2.0 0.9 0.1
#1
#2
AB
ËThe terminals (A & B)
#4
#3
not to be connected.
PIN
CONNECTION
1
"L"
"H"
2
GND
3
Z
OUTPUT
4
VDD
Z : high impedance
STANDARD SPECIFICATIONS
Item
Part number
Output frequency
Frequency tolerance
Temperature stability
(-20ËC to Ê´70ËC)
Operating Conditions
Operating temperature
Input voltage (VDD)
Stand-by control voltage (Pin#1)
Absolute Max. Ratings
Supply voltage
Storage temperature
Input current (-40ËC to Ê´85ËC)
Stand-by current (Ê´25ËC)Ë
Output (-40ËC to Ê´85ËC)
Symmetry
Rise and fall times
(10%VDD to 90%VDD level)
"0" level
"1" level
Load
Disable delay time
Enable delay time
Startup time
Aging
Reflow condition
(Ë) Internal crystal oscillation to be halted (Pin #1=VIL).
32.768 kHz OSCILLATOR
Specifications
327SMO(B)
32.768 kHz
Ê´30 ppm to -10 ppm at VDD = Ê´3.3V at Ê´25ËC
Ê´30 ppm to -100 ppm (VDD = Ê´1.3V to Ê´5.5V)
-40ËC to Ê´85ËC
ʴ3.3V DC ʶ10% (standard)
Ê´1.3V to Ê´5.5V (option)
VIH : 90%VDD min.
VIL : 10%VDD max.
-0.3V to Ê´7.0V DC
-55ËC to Ê´125ËC
1ÐA, Typical (1.5ÐA max.) at VDD = Ê´3.3V , no load
200 nA max. (no load)
40% to 60% at 50%VDD level (CL = 15pF at Ê´25ËC)
200 ns max. (CL = 15pF at Ê´25ËC)
VOL : Ê´0.4V max. (CL = 15pF at Ê´25ËC)
VOH : VDD -0.4Vmin. (CL = 15pF at Ê´25ËC)
15 pF max. (CMOS)
100 ns max.
3 sec. max. (VDD = Ê´3.3V at Ê´25ËC)
3 sec. max. (VDD = Ê´3.3V at Ê´25ËC)
ʶ5 ppm max. at Ê´25ËC ʶ3ËC for first year
Ê´250ËC ʶ10ËC for 10 seconds
Ê´170ËC ʶ10ËC for 1 to 2 minutes (preheating)
OUTPUT WAVEFORM
TR
TF
VOH ("1"Level)
VDD
90% or 80% VDD
50% VDD
VOL ("0"Level)
GND
t
T
10% or 20% VDD
OV DC
Symmetry=t/TÊ·100(%)
TEST CIRCUIT
VDD A
DC Power
Supply
V
Test Point
#4 #3
VDD OUTPUT
TRI-STATE
GND
CL
#1
#2
CL : including fixture and probe capacitance.
PACKAGE DATA
Item
Package
Lid
Base
Sealing
Terminal
Terminal plating
RoHS
327SMO(B)
Metal
Ceramic
AuSn
Tungsten (metalized)
Gold / Nickel
(surface) / (under)
Compliant (Pb-free)
SOLDERING PATTERN
1.4
1.6
1.4
0.01ÐF
á»
0.1ÐF
3.0
TAPE SPECIFICATIONS
4.0±0.1
L
2.0±0.1
Ð1.5
+0.1
-0
J
M
B
F
A B C D F J L M Reel Dia. Qty/Reel
4.4 2.9 12.0 5.5 4.0 1.5 0.3 1.2 180 1000pcs
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