Crystal oscillator
CRYSTAL OSCILLATOR (Programmable)
OUTPUT: CMOS
SG - 8018
series
Frequency range
:
0.67 MHz ~ 170 MHz (1 ppm Step)
Supply voltage
:
1.62 V ~ 3.63 V
Function
:
Output enable (OE) or Standby (ST
¯¯)
Frequency tolerance
:
±50
ppm (-40 ºC ~ +105 ºC)
Include frequency aging(+25 ºC, 10 years)
Package
：2.5
x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 (mm)
PLL technology to enable short lead time
Available field oscillator programmer “SG-Writer II”
Product Number (please contact us)
SG-8018CA: X1G005571xxxx00
SG-8018CB: X1G005581xxxx00
SG-8018CE: X1G005591xxxx00
SG-8018CG: X1G005601xxxx00
CG
2.5 x 2.0mm
2.5x2.0mm
CE
3.2 x 2.5mm
CB
5.0 x 3.2mm
CA
7.0 x 5.0mm
Specifications (characteristics)
Item
Supply voltage
Output frequency range
Storage temperature
Operating temperature
Frequency tolerance
*1
Current consumption
Output disable current
Standby current
Symmetry
Symbol
V
CC
f
O
T_stg
T_use
f_tol
3.2 mA Max.
I
CC
5.5 mA Max.
3.2 mA Max.
0.9 μA Max.
0.3 μA Typ.
2.7 mA Typ.
5.8 mA Max.
3.2 mA Max.
1.0 μA Max.
0.4 μA Typ.
4.7 mA Typ.
I_dis
I_std
SYM
1.80 V Typ.
Specifications
2.50 V Typ.
0.67 MHz ~ 170 MHz
-40 ºC ~ +125 ºC
-40 ºC ~ +105 ºC
J: ±50 × 10
3.3 mA Max.
-6
Conditions/Remarks
3.30 V Typ.
-
1.62 V ~ 1.98 V 1.98 V ~ 2.20 V 2.20 V ~ 2.80 V 2.70 V ~ 3.63 V
Storage as single product.
-
T_use = -40 ºC ~ +105 ºC
3.5 mA Max.
3.0 mA Typ.
8.1 mA Max.
6.8 mA Typ.
3.5 mA Max.
2.5 μA Max.
1.1 μA Typ.
T_use = +105 ºC
T_use = +25 ºC
T_use = +105 ºC
T_use = +25 ºC
T_use = +105 ºC
T_use = +25 ºC
No load, f
O
= 20 MHz
No load, f
O
= 170 MHz
3.4 mA Max.
2.9 mA Typ.
6.7 mA Max.
5.7 mA Typ.
3.3 mA Max.
1.5 μA Max.
0.5 μA Typ.
OE = GND, f
O
= 170 MHz
ST = GND
¯¯
45 % ~ 55 %
V
OH
90 % V
CC
Min.
Output voltage
(DC characteristics)
V
OL
10 % V
CC
Max.
Output load condition
Input voltage
Default
Rise and Fall
time
Fast
Slow
Disable Time
Enable Time
Resume Time
Start-up time
Frequency aging
L_CMOS
15 pF Max.
70 % V
CC
Min.
30 % V
CC
Max.
3.0 ns Max.
6.0 ns Max.
3.0 ns Max.
10.0 ns Max.
50 % V
CC
Level
I
OH
/I
OL
Conditions
[mA]
Rise/Fall time
V
CC
*A
*B
*C
*D
-2.5 -3.5 -4.0 -5.0
Default (
f
O
> 40 MHz),
I
OH
Fast
I
OL
2.5 3.5 4.0 5.0
I
OH
-1.5 -2.0 -2.5 -3.0
Default (
f
O
≤ 40 MHz)
I
OL
1.5 2.0 2.5 3.0
I
OH
-1.0 -1.5 -2.0 -2.5
Slow
I
OL
1.0 1.5 2.0 2.5
*A: 1.62 V ~ 1.98 V, *B: 1.98 V ~ 2.20 V,
*C: 2.20 V ~ 2.80 V, *D: 2.70 V ~ 3.63 V
-
OE or ST
¯¯
f
O
> 40 MHz
f
O
≤ 40 MHz
20 % - 80 % V
CC,
f
O
= 0.67 MHz ~ 170 MHz L_CMOS = 15 pF
f
O
= 0.67 MHz ~ 20 MHz
Measured from the time OE or ST pin crosses 30 %
¯¯
V
CC
Measured from the time OE pin crosses 70 % V
CC
Measured from the time ST pin crosses 70 % V
CC
¯¯
Measured from the time V
CC
reaches its rated
minimum value, 1.62 V
+25 °C, 10 years
V
IH
V
IL
tr/tf
t_stp
t_sta
t_res
t_str
f_aging
1 μs Max.
1 μs Max.
3 ms Max.
3 ms Max.
This is included in frequency tolerance specification.
*1 Frequency tolerance includes initial frequency tolerance, temperature variation, supply voltage variation, reflow drift, load drift and aging (+25 ºC, 10 years).
Pin description
Pin
Name
OE
1
ST
¯¯
2
3
4
GND
OUT
V
CC
Input
Power
Output
Power
Standby
Ground
Clock output
Power supply
I/O type
Input
Output enable
High:
Low:
High:
Low:
Function
Specified frequency output from OUT pin
Out pin is low (weak pull down), only output driver is disabled.
Specified frequency output from OUT pin
Out pin is low (weak pull down),
Device goes to standby mode. Supply current reduces to the least as I_std.
Crystal oscillator
Product Name
SG-8018CG 170.000000MHz T J H P A
①
②
③
④⑤⑥⑦⑧
②Package type
CA: 7.0 mm x 5.0 mm
CB: 5.0 mm x 3.2 mm
④Supply voltage
T: 1.8 V ~ 3.3 V Typ.
⑤Frequency tolerance
J: 50 x 10
-6
⑥Operating temperature
H: -40 °C ~ +105 °C
⑦Function
P: Output Enable
S: Standby
⑧ Rise/Fall time
A: Default
B: Fast
C: Slow
①Model, ②Package type,
CE: 3.2 mm x 2.5 mm
③Frequency, ④Supply voltage,
CG: 2.5 mm x 2.0 mm
⑤Frequency tolerance, ⑥Operating temperature,
⑦Function, ⑧Rise/Fall time
External dimensions
SG-8018CG
(Unit: mm)
Footprint (Recommended)
SG-8018CG
(Unit: mm)
SG-8018CE
SG-8018CE
SG-8018CB
SG-8018CB
SG-8018CA
SG-8018CA
■Notes:
In order to achieve optimum jitter performance, the 0.1 μF capacitor between V
CC
and GND should be placed. It is also
recommended that the capacitors are placed on the device side of the PCB, as close to the device as possible and connected
together with short wiring pattern.
Crystal oscillator
Specification Graph（Typical supplemental specification. Unless otherwise specified T_use = 25
℃,
L_CMOS = 15pF）
Phase Jitter RMS
Phase Jitter RMS
（Integration
bandwidth 12 k－20 MHz）
（Integration
bandwidth 1.8 M－20 MHz）
80
50
70
Phase Jitter-RMS (ps)
Vcc = 3.3 V
Vcc = 2.5 V
Vcc = 1.8 V
Phase Jitter-RMS (ps)
40
Vcc = 3.3 V
Vcc = 2.5 V
Vcc = 1.8 V
60
30
50
20
40
10
30
0
0
20
40
60
80 100
fo (MHz)
120
140
160
180
0
20
40
60
80 100
fo (MHz)
120
140
160
180
Period Jitter RMS
40
Vcc = 1.8 V
Rise/Fall time = Default
Period Jitter RMS (ps)
40
Vcc = 2.5 V
40
Vcc = 3.3 V
Rise/Fall time = Default
Rise/Fall time = Fast
Rise/Fall time = Default
Period Jitter RMS (ps)
Rise/Fall time = Slow
Period Jitter RMS (ps)
30
Rise/Fall time = Fast
Rise/Fall time = Slow
30
Rise/Fall time = Fast
30
Rise/Fall time = Slow
20
20
20
10
10
10
0
0
0
20
40
60
80 100
fo (MHz)
120
140
160
180
0
0
20
40
60
80 100
fo (MHz)
120
140
160
180
0
20
40
60
80 100
fo (MHz)
120
140
160
180
Period Jitter Peak-Peak
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
0
0
20
40
60
Vcc = 3.3 V
1.8
Period Jitter Peak - Peak (ps)
Period Jitter Peak - Peak (ps)
Rise/Fall time = Fast
Rise/Fall time = Slow
Rise/Fall time = Fast
Rise/Fall time = Slow
Period Jitter Peak - Peak (ps)
Rise/Fall time = Default
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
0
0
20
40
60
Vcc = 3.3 V
2.5
Rise/Fall time = Default
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
0
0
20
40
60
Vcc = 3.3 V
Rise/Fall time = Default
Rise/Fall time = Fast
Rise/Fall time = Slow
80 100
fo (MHz)
120
140
160
180
80 100
fo (MHz)
120
140
160
180
80 100
fo (MHz)
120
140
160
180
Cycle-to-Cycle Jitter Peak-Peak
200
180
Cycle to Cycle Jitter Peak - Peak (ps)
Vcc = 1.8 V
Cycle to Cycle Jitter Peak - Peak (ps)
200
Vcc = 2.5 V
200
180
Vcc = 3.3 V
Rise/Fall time = Default
Rise/Fall time = Fast
Rise/Fall time = Slow
160
140
120
100
80
60
40
20
0
0
20
40
60
Rise/Fall time = Fast
Rise/Fall time = Slow
160
140
120
100
80
60
40
20
Cycle to Cycle Jitter Peak - Peak (ps)
180
Rise/Fall time = Default
180
Rise/Fall time = Default
Rise/Fall time = Fast
Rise/Fall time = Slow
160
140
120
100
80
60
40
20
0
0
20
40
60
80 100
fo (MHz)
120
140
160
180
0
80 100
fo (MHz)
120
140
160
180
0
20
40
60
80 100
fo (MHz)
120
140
160
■Notes:
DSP 与 ARM 处理器
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