HCMOS/TTL Clock Oscillator
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Model 636
FEATURES
Standard 5.0mm x 3.2mm 4-Pad Surface Mount Package
HCMOS/TTL Compatible Output
Fundamental and 3
rd
Overtone Crystal Designs
Frequency Range 1 – 160 MHz
Frequency Stability ±50 ppm Standard, ±25 ppm and ±20 ppm Available
Operating Voltages +1.8Vdc, +2.5Vdc, +3.3Vdc or +5.0Vdc
Operating Temperature to -40°C to +85°C
Output Enable Standard
Tape & Reel Packaging Standard, EIA-418
RoHS/Green Compliant [6/6]
APPLICATIONS
Model 636 is ideal for applications; such as digital video, networking equipment,
broadband access, Ethernet/Gigabit Ethernet, microprocessors/DSP/FPGA, storage area networks,
computers and peripherals, cameras and other portable devices to name a few.
ORDERING INFORMATION
636
SUPPLY VOLTAGE
M = +1.8V
N = +2.5Vdc
L = +3.3Vdc
S = +5.0Vdc
FREQUENCY STABILITY
6
5
3
2
=
=
=
=
±
±
±
±
20 ppm
25 ppm
50 ppm [std]
100 ppm
2
1
M
FREQUENCY IN MHz
M - indicates MHz and decimal point.
3
OPERATING TEMPERATURE RANGE
C = -20°C to +70°C [standard]
I = -40°C to +85°C
1] Consult factory for 6I Stability/Temperature availability.
2] -40°C to +85°C Only.
3] Frequency is recorded with three leading significant digits before the ‘M’ and 5 significant digits after the ‘M’ (including zeros).
[Ex. 3.579545 MHz, code as 003M57954; 14.31818 MHz, code as 014M31818; 125 MHz, code as 125M00000]
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
PACKAGING INFORMATION
[Reference]
Factory may package reels in quantities of 1k pcs. or 3k pcs. Reel size is 180mm.
12mm tape width.
Document No. 008-0250-0
Page 1- 3
Rev. H
www.ctscorp.com
Model 636
5.0mm x 3.2mm Low Cost
HCMOS/TTL Clock Oscillator
ELECTRICAL CHARACTERISTICS
PARAMETER
Maximum Supply Voltage
Storage Temperature
Frequency Range
Frequency Stability
[See Note 1 and Ordering Information]
SYMBOL
V
CC
T
STG
f
O
Δf/f
O
Δf/f
O
T
A
CONDITIONS
-
-
-
-
-
-
MIN
-0.5
-55
1.0
-
-
-20
-40
1.62
2.25
2.97
4.50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP
-
-
-
-
-
25
1.8
2.5
3.3
5.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX
7.0
125
160
20,25, 50 or 100
3
70
85
1.98
2.75
3.63
5.50
8
15
25
35
35
10
20
30
40
40
16
25
40
50
50
25
50
60
80
15
30
15
50
30
15
-
10%V
CC
-2, -4, -8, -16
+2, +4, +8, +16
55
10
5
2.5
8
5
2
10
100
25
1
UNIT
V
°C
MHz
± ppm
± ppm/yr
°C
Aging
Operating Temperature
Commercial
Industrial
Supply Voltage
Model 636M
Model 636N
Model 636L
Model 636S
Supply Current
Model 636M
[+1.8V]
V
CC
± 10 %
V
Model 636N
[+2.5V]
I
CC
ELECTRICAL PARAMETERS
Model 636L
[+3.3V]
Model 636S
[+5.0]
C
L
= 15pF
1.0 MHz to 34.999 MHz
35 MHz to 60 MHz
60.001 MHz to 99.999 MHz
100 MHz to 106.250 MHz
106.251 MHz to 160 MHz
1.0 MHz to 34.999 MHz
35 MHz to 60 MHz
60.001 MHz to 99.999 MHz
100 MHz to 106.250 MHz
106.251 MHz to 160 MHz
1.0 MHz to 34.999 MHz
35 MHz to 60 MHz
60.001 MHz to 99.999 MHz
100 MHz to 106.250 MHz
106.251 MHz to 160 MHz
1.0 MHz to 34.999 MHz
35 MHz to 60 MHz
60.001 MHz to 99.999 MHz
100 MHz to 106.250 MHz
1.0 MHz to 160 MHz
1.0 MHz to 50 MHz
50.001 MHz to 160 MHz
1.0 MHz to 50 MHz
50.001 MHz to 80 MHz
80.001 MHz to 106.250 MHz
CMOS Load
CMOS Load
V
OH
= 90%V
CC
V
OL
= 10%V
CC
@ 50% Level
@ 10% - 90% Levels, C
L
= 15pF
1.0 MHz to 50 MHz
50.001 MHz to 125 MHz
mA
Output Load
Model 636M
Model 636N & 636L
Model 636S
C
L
pF
Output Voltage Levels
Logic '1' Level
Logic '0' Level
Output Current
Logic '1' Level (M,N,L,S)
Logic '0' Level (M,N,L,S)
Output Duty Cycle
Rise and Fall Time
Model 636M, 636N & 636L
V
OH
V
OL
I
OH
I
OL
SYM
90%V
CC
-
-
-
45
-
-
-
-
-
-
-
-
-
-
-
6
3
1.5
6
3
1.5
5
-
-
-
V
mA
%
T
R
, T
F
Model 636S
125.001 MHz to 160 MHz
1.0 MHz to 20 MHz
20.001 MHz to 50 MHz
50.001 MHz to 106.250 MHz
Application of V
CC
-
-
Bandwidth 12 kHz - 20 MHz
ns
-
Start Up Time
-
Period Jitter, Pk-Pk
-
Period Jitter, RMS
Phase Jitter, RMS
-
Notes:
1. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and aging.
T
S
-
-
-
ms
ps
Document No. 008-0250-0
Page 2 - 3
Rev. H
Model 636
5.0mm x 3.2mm Low Cost
HCMOS/TTL Clock Oscillator
ELECTRICAL CHARACTERISTICS
PARAMETER
Enable Function
Enable Input Voltage
Model 636M
Model 636N
Model 636L
Model 636S
Disable Input Voltage
Model 636M,636N,636L
Model 636S
Enable Time (M,N,L,S)
Standby Current
T
PLZ
I
ST
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
ELECTRICAL PARAMETERS
V
IH
Pin 1
Pin 1
Pin 1
Pin 1
Logic '1',
Logic '1',
Logic '1',
Logic '1',
Output
Output
Output
Output
Enabled
Enabled
Enabled
Enabled
1.26
1.75
2.0
4.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.3
0.8
10
10
V
V
IL
Pin 1 Logic '0', Output Disabled
Pin 1 Logic '0', Output Disabled
Pin 1 Logic '1'
Pin 1 Logic '0', Output Disabled
ms
µA
LVCMOS OUTPUT WAVEFORM
TEST CIRCUIT, CMOS LOAD
ENABLE TRUTH TABLE
PIN 1
Logic ‘1’
Open
Logic ‘0’
PIN 3
Output
Output
High Imp.
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
1. ** - Manufacturing Site Code.
2. YWW – Date code, Y – year, WW – week.
3. XXXMXXXX – Frequency is marked with only
leading significant digits before the ‘M’ and 4 digits
after the ‘M’ [including zeros].
Ex. XXMXXXX [62M5000]
XXXMXXXX [155M5200]
CTS**YWW
●
XXXMXXXX
NOTES
1. Termination pads [e4]. Barrier-plating is nickel [Ni]
with gold [Au] flash plate.
2. Reflow conditions per JEDEC J-STD-020, 260°C
maximum, 20 seconds.
3. MSL = 1.
D.U.T. PIN ASSIGNMENTS
PIN
SYMBOL
1
2
3
4
EOH
GND
Output
V
CC
SUGGESTED SOLDER PAD GEOMETRY
C
BYPASS
should be
≥
0.01 uF.
DESCRIPTION
Enable
Circuit & Package Ground
RF Output
Supply Voltage
Document No. 008-0250-0
Page 3 - 3
Rev. H
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