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99SMOHG Datasheet, PDF (1/1 Pages) Wolfgang Knap – Crystal Clock Oscillators | |||
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Crystal Clock Oscillators
99SMOHG (+2.5V, +3.0V or +3.3V HIGH STABILITY FIXED MODELS) STANDARD SMD CLOCK OSCILLATORS
99SMOHG
Actual Size
99SMOHG
5.0±0.2
#4
#3
#1
#2
1.2
2.6
1.2
#1
#2
#4
#3
PIN
CONNECTION
1
"L"
OPEN or "H"
2
GND
3
Z
OUTPUT
4
VDD
Z : high impedance
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.
SOLDERING PATTERN
1.5
2.2
1.5
0.01ÐF
á»
0.1ÐF
3.7
STANDARD SPECIFICATIONS
High Stability
Item
Specifications
Generic part number
Frequency range
Standard frequencies (MHz)
Frequency stability
99SMOHGË1
500.000 kHz to 50.000 MHz
31.250 MHz, 40.000 MHz, 44.000 MHz
99SMOHG(E) : ʶ20 ppm over -30ËC to Ê´85ËC
99SMOHG(F) : ʶ15 ppm over -30ËC to Ê´85ËC
99SMOHG(G) : ʶ10 ppm over -30ËC to Ê´85ËC
99SMOHG(EW) : ʶ20 ppm over -40ËC to Ê´85ËC
99SMOHG(FW) : ʶ15 ppm over -40ËC to Ê´85ËC
over all conditions
99SMOHG(GW) : ʶ10 ppm over -40ËC to Ê´85ËC
Operating Conditions
Operating temperature
-30ËC to Ê´85ËC (standard)
-40ËC to Ê´85ËC (W)
Input voltage (VDD)
Stand-by control voltage (Pin#1)
ʴ2.5V, ʴ3.0V or ʴ3.3V DC ʶ5%
VIH : VDD -0.5V min.
VIL : 0.5V max.Ë2
Absolute Max. Ratings
Supply voltage
Storage temperature
Input current
-0.3V to Ê´5.5V DC
-40ËC to Ê´85ËC
10 mA max.
(Pin#1=Open or ViH)
Stand-by current
10 ÐA max. (Pin#1=VIL)
Output
Symmetry
Rise and fall times
"0" level
"1" level
Load
Disable delay time
Enable delay time
Startup time
Aging (non operation)
SSB phase noise
Reflow condition
45% to 55% at 50%VDD level
6 ns max. (10%VDD to 90%VDD level)
VOL : 10%VDD max.
VOH : 90%VDD min.
15 pF max. (CMOS)
100 ns max.
10 ms max.
10 ms max.
ʶ2 ppm max. at Ê´25ËC ʶ3ËC for first year
-130 dBc/Hz max. at 1 kHz offset
Ê´250ËC ʶ10ËC for 10 seconds
Ê´170ËC ʶ10ËC for 1 to 2 minutes (pre-heating)
(Ë1) Final exact part number to be determined with frequency, frequency stability, operating temperature and input voltage.
e.g. 99SMOHG(3.0VE) 40.000 MHz.
(Ë2) Internal crystal oscillation to be halted (Pin#1=VIL)
PACKAGE DATA
Item
Package
Lid
Base
Sealing
Terminal
Terminal plating
RoHS
99SMOHG
Metal
Ceramic
Seam
Tungsten (metalized)
Gold / Nickel
(surface) / (under)
Compliant (Pb-free)
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
5.4 3.5 12.0 5.5 8.0 1.5 0.3 1.4 178 1000pcs
87
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