SC3040B 데이터 시트보기 (PDF) - RF Monolithics, Inc
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SC3040B Datasheet PDF : 2 Pages
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400.0 MHz Differential Sine-Wave Clock
Electrical Connections
Terminal Connection
1
8
Number
2
7
1
VCC
3
6
2
Ground
3
NC or Ground
4
5
4
Q Output
5
Q Output
6
Ground
7
TOP VIEW
8
ENABLE
LID
Ground
Case Design
All pads consist of 30 microinches (min) electroless gold on 50 micro-
inches (min) electroless nickel over base metal. The metallic center pad
was designed for mechanical support. Grounding of this pad is optional.
Lid symbolization, including terminal 1 locator dot, are in contrasting ink.
Symbolization varies by model number. For purposes of illustration, only
terminal 1 dot is shown.
B
A
C
D
E
N (X8)
M
L
K
F (X8)
G (X3)
H (X2)
J
Footprint
Actual size footprint:
Typical Printed Circuit Board Land Pattern
A typical land pattern for a circuit board is shown below. Grounding of the
metallic center pad is recommended.
Typically 0.01" to 0.05" or 0.25 mm to
1.25 mm (8 Places)
.
Typical Test Circuit
(The optimum value of this dimension is
dependent on the PCB assembly process
employed.)
Vcc
4.7 µH
0.1 µF
Sine-Wave
Signal Generator
Vcc
Clock
Under Test
ENABLE
50 Ω
Q
50 Ω
Q
Tektronix
CSA 803
Digitizing
Oscilloscope
*
Ch 1
Trigger
*
Ch 2
50 Ω
*Power Splitter, Mini-Circuits ZFSC2-4
Dimensions
A
B
C
D
E
F
G
H
J
K
L
M
N
Millimeters
Min
Max
13.46
13.97
9.14
9.66
2.05 Nominal
3.56 Nominal
2.24 Nominal
1.27 Nominal
2.54 Nominal
3.05 Nominal
1.93 Nominal
5.54 Nominal
4.32 Nominal
4.83 Nominal
0.50 Nominal
Inches
Min
Max
0.530
0.550
0.360
0.380
0.081 Nominal
0.141 Nominal
0.088 Nominal
0.050 Nominal
0.100 Nominal
0.120 Nominal
0.076 Nominal
0.218 Nominal
0.170 Nominal
0.190 Nominal
0.020 Nominal
Timing Definitions
Propagation Delay:
50%
ENABLE
50%
Q or Q Output
Amplitude
Envelope
90%
10%
t
PD
Symmetry:
50%
t
PD
Q or Q Output
50%
50%
Symmetry as
% of Period
Symmetry as
% of Period
Period
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: info@rfm.com
http://www.rfm.com
SC3040B-062702
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