57SMO Datasheet, PDF (1/1 Pages) Wolfgang Knap – Low Voltage Positive Emitter Coupled Logic Oscillators

Low Voltage Positive Emitter Coupled Logic Oscillators
57SMO (+2.5V or +3.3V FIXED LVPECL MODELS)
STANDARD SMD CLOCK OSCILLATORS
57SMO
Actual Size
57SMO
7.0±0.2
#6 #5 #4
#1 #2 #3
1.14 1.14 0.26
1.4 1.4 1.4
#1 #2 #3
#6 #5 #4
2.54 2.54
5.08
PIN
CONNECTION
1
"L"
OPEN or "H"
2
N.C.
3
GND
4
Z
OUTPUT
5
Z
C-OUTPUT
6
VDD
Z : high impedance
OUTPUT WAVEFORM(1)
Termination : 50Њimpedance matching
t
T
TR
TF
VOH
80% VPP
VPP
50% VPP
20% VPP
VOL
Symmetry=t/TÊ·100(%)
VDD-2V
OUTPUT WAVEFORM(2)
Termination : high impedance probes
t
T
TR
TF
VOH
80% VPP
VPP
50% VPP
20% VPP
VOL
Symmetry=t/TÊ·100(%)
GND
TEST CIRCUIT(1)
VDD1 0.1ЖF 0.01ЖF
VDD2 0.1ЖF 0.01ЖF
A
#6 #4
VDD _#5
OUTPUT
OUTPUT
TRI-
STATE
#2 GND
#1 N.C. #3
E/D
SW
50Њ

T.P.
T.P.
50Њ

Termination : 50Њimpedance matching
VDD VDD1 VDD2
+3.3V +2.0V -1.3V
+2.5V +2.0V -0.5V
90
STANDARD SPECIFICATIONS
LVPECL
Item
Specifications
Generic part number
57SMO^˞1
Frequency range
40.000 MHz to 300.000 MHz
Frequency stability
57SMO(A) : ʶ100 ppm
(0˚C to ʴ70˚C)
57SMO(B) : ʶ50 ppm
57SMO(C) : ʶ30 ppm
over all conditions
57SMO(D) : ʶ25 ppm
Operating Conditions
Operating temperature
0˚C to ʴ70˚C(Standard)
-40˚C to ʴ85˚C (W)
Input voltage (VDD)
ʴ2.5V DC ʶ5%
ʴ3.3V DC ʶ5%
Stand-by control voltage (Pin#1)
VIH : 70%VDD min.
VIL : 30%VDD max.^˞2
Absolute Max. Ratings
Supply voltage
-0.5V to Ê´5.0V DC
Storage temperature
-50˚C to ʴ125˚C
Input current (Pin #1 = Open or VIH)
90 mA max.
Stand-by current^˞2 (Pin #1 = VIL)
30ЖA max.
Output (0˚C to ʴ70˚C)
Symmetry (at crossing point)
40% to 60%
45% to 55%
Rise and fall times
1 ns max. (20% to 80% of amplitude)
"0" level
VOL : Ê´1.195V max.
VOL : Ê´1.745V max.
"1" level
VOH : Ê´1.415V min.
VOH : Ê´2.215V min.
Load
50Њinto VDD -2V
Disable delay time
200 ns max.
Enable delay time
10 ms max.
Startup time
10 ms max.
RMS jitter (12 kHz to 20 MHz band)
1 ps max.
Aging
ʶ5 ppm max. at ʴ25˚C ʶ3˚C for first year
Reflow condition
ʴ250˚C ʶ10˚C for 10 seconds
ʴ170˚C ʶ10˚C for 1 to 2 minutes (preheating)
(˞1) Final exact part number to be determined with frequency, frequency stability, operating temperature and input voltage.
e.g. 57SMO(3.3VB)W 155.520 MHz.
(˞2) Internal crystal oscillation to be halted (Pin #1=VIL).
PACKAGE DATA
Item
Package
Lid
Base
Sealing
Terminal
Terminal plating
RoHS
57SMO
Metal
Ceramic
Seam
Tungsten (metalized)
Gold / Nickel
(surface) / (under)
Compliant (Pb-free)
TEST CIRCUIT(2)
R1
R2
A
T.P.
VDD
0.1ЖF
T.P.
#6 #4
VDD _#5
OUTPUT
TRI-
STATE
OUTPUT
#2 GND
#1 N.C. #3
E/D
R3
R4
SW
Termination : high impedance probes
VDD
R1
R2
R3
R4
+3.3V 130Њ
130Њ
82Њ
82Њ

+2.5V 270Њ
270Њ
62Њ
62Њ

Note : R3 & R4 to change for the use of low impedance probes
SOLDERING PATTERN
1.6 0.94 1.6 0.94 1.6
2.54 2.54
5.08
0.01ЖF
Ỗ
0.1ЖF
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
7.5 5.5 16.0 7.5 8.0 2.0 0.3 2.2 245 1000pcs