Datenblatt

Crystal Clock Oscillators
21SMO
(+1.8V, +2.5V, +3.0V or +3.3V FIXED MODELS)
2.0x1.6 mm
XTAL
Item
General part number
Frequency range
Operating
Conditions
2.05±0.1
#3
#1
#2
0.85±0.1
Absolute
Max. Ratings
0.95
0.675
#1
0.675
0.45
0.575
#3
PIN
1
2
3
4
CONNECTION
OPEN or “H”
“ L”
GND
OUTPUT
Z
VDD
Z : high impedance
TCXO
SOLDERING PATTERN
0.7
0.8
0.01μF
~
0.1μF
1.3
OUTPUT WAVEFORM
OCXO
Supply voltage (VDD)
Stand-by control
voltage (Pin#1)
Supply voltage
Storage temperature
Input current (max. mA)
(Pin#1 = Open or VIH)
No load
#2
#4
Operating
temperature
VDD
0.575
● CMOS OUTPUT
● PACKAGE SIZE 2.0x1.6 mm
+1.8V
+2.5V
+3.0V
+3.3V
1.5M+
1.8
2.5
3.0
3.5
Stand-by current*2
Symmetry
Rise and fall times
Output
"0"
Level
(-40゜
C to +85゜
C)
"1" Level
Load
Disable delay time
Enable delay time
Start-up time
SSB phase noise
(at VDD = +3.3V & 40.000 MHz)
Aging
Reflow condition
10M+
2.1
3.0
3.5
4.0
20M+
2.5
3.5
4.0
4.5
Frequency
30M+
40M+
3.5
4.0
4.5
5.0
5.0
5.5
5.5
6.0
50M+
4.5
5.5
6.0
6.5
60M+
6.0
6.5
7.5
8.0
70M+
6.5
7.0
8.5
9.0
10 μA max. (Pin#1 = VIL)
45% to 55% at 1/2 VDD level
6 ns max. (10% VDD to 90% VDD level)
VOL : 10% VDD max.
VOH : 90% VDD min.
15 pF max. (CMOS)
150 ns max.
10 ms max.
10 ms max.
-143 dBc/Hz, Typical at 1 kHz offset
-157 dBc/Hz, Typical at 100 kHz offset
±5 ppm max. at +25゜
C ±3゜
C for first year
+250゜
C ±10゜
C for 10 seconds
+170゜
C ±10゜
C for 1 to 2 minutes (preheating)
( * 1 ) F inal par t number to be as s i gned w i th pac k age ty pe, i nput v ol tage, fr equenc y s tabi l i ty, oper ati ng tem pe rat ure and f requency.
e. g. 21S M O( 2.5VC ) 10.000MH z
( * 2 ) I nt er nal c r ys tal os c i l l ati on to be hal ted ( Pi n#1 = V IL )
PACKAGE DATA
Terminal plating
RoHS
70
Compliant (Pb-free)
1.5 +
0
-0 .1
1.75±0.1
∅
2.0±0.1
D
Lid
Base
Sealing
Terminal
4.0±0.1
L
C
MCF
TEST CIRCUIT
21SMO
Metal
Ceramic
Seam
Tungsten (metalized)
Gold / Nickel
(surface) / (under)
TAPE SPECIFICATIONS
A
Item
Package
M
B
J
VCXO
1.65±0.1
CLK OSC
Actual size
21SMO
CMOS
Specifications
21SMO*1
1.500 MHz to 80.000 MHz
21SMO(A) : ±100 ppm over -10゜
C to +70゜
C
21SMO(B) : ±50 ppm over -10゜
C to +70゜
C
21SMO(C) : ±30 ppm over -10゜
C to +70゜
C
21SMO(D) : ±25 ppm over -10゜
C to +70゜
C
: ±20 ppm over -10゜
C to +70゜
C
21SMO(E) C to +85゜
C
21SMO(AW) : ±100 ppm over -40゜
C to +85゜
C
21SMO(BW) : ±50 ppm over -40゜
C to +70゜
C (Standard)
-10゜
C to +70゜
C (SW = Standard)
-20゜
C to +85゜
C (W = Option)
-40゜
C to +105゜
C (WW = Option)
-40゜
+1.8V, +2.5V, +3.0V or +3.3V DC ±5%
VIH : 70% VDD min.
VIL : 30% VDD max.*2
-0.3V to +4.0V DC
C to +100゜
C
-55゜
Frequency stability
(over all conditions)
0.008 gm (wt.)
2.0x1.6 mm
STANDARD SMD CLOCK OSCILLATORS
STANDARD SPECIFICATIONS
21SMO
#4
1.5 to 80 MHz
SPXO
F
A
B
C
D
F
J
L
M
Reel Dia.
Qty/Reel
2.2
1.8
8.0
3.5
4.0
1.0
0.25
1.0
180
3000pcs
1000pcs
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