English
Language : 

327SMOB Datasheet, PDF (1/1 Pages) Wolfgang Knap – Crystal Clock Oscillators
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
ˎThe 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
(-20˚C to ʴ70˚C)
Operating Conditions
Operating temperature
Input voltage (VDD)
Stand-by control voltage (Pin#1)
Absolute Max. Ratings
Supply voltage
Storage temperature
Input current (-40˚C to ʴ85˚C)
Stand-by current (ʴ25˚C)˞
Output (-40˚C to ʴ85˚C)
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
(˞) Internal crystal oscillation to be halted (Pin #1=VIL).
32.768 kHz OSCILLATOR
Specifications
327SMO(B)
32.768 kHz
ʴ30 ppm to -10 ppm at VDD = ʴ3.3V at ʴ25˚C
Ê´30 ppm to -100 ppm (VDD = Ê´1.3V to Ê´5.5V)
-40˚C to ʴ85˚C
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
-55˚C to ʴ125˚C
1ЖA, Typical (1.5ЖA max.) at VDD = ʴ3.3V , no load
200 nA max. (no load)
40% to 60% at 50%VDD level (CL = 15pF at ʴ25˚C)
200 ns max. (CL = 15pF at ʴ25˚C)
VOL : ʴ0.4V max. (CL = 15pF at ʴ25˚C)
VOH : VDD -0.4Vmin. (CL = 15pF at ʴ25˚C)
15 pF max. (CMOS)
100 ns max.
3 sec. max. (VDD = ʴ3.3V at ʴ25˚C)
3 sec. max. (VDD = ʴ3.3V at ʴ25˚C)
ʶ5 ppm max. at ʴ25˚C ʶ3˚C for first year
ʴ250˚C ʶ10˚C for 10 seconds
ʴ170˚C ʶ10˚C 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
0.01ЖF
Ỗ
0.1ЖF
3.0
TAPE SPECIFICATIONS
4.0±0.1
L
2.0±0.1
П1.5
+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
93