Model 636
HCMOS/TTL CLOCK OSCILLATOR
FEATURES
•
•
•
•
•
•
•
•
•
•
Standard 5.0x3.2mm Surface Mount Footprint
HCMOS/TTL Compatible
Fundamental and 3
rd
Overtone Crystals
Frequency Range 1.0 – 125 MHz
Frequency Stability, ±50 ppm Standard
(±25 ppm and ±20 ppm available)
+1.8Vdc, +2.5Vdc, +3.3Vdc or +5.0Vdc
Operation
Operating Temperature to –40°C to +85°C
Output Enable Standard
Tape & Reel Packaging
RoHS/Green Compliant (6/6)
DESCRIPTION
The Model 636 is a ceramic packaged Clock
oscillator offering reduced size and enhanced
stability. The small size means it is perfect for
any application. The enhanced stability means it
is the perfect choice for today’s communications
applications that require tight frequency control.
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
(-20°C to +70°C only)
25 ppm
50 ppm (standard)
100 ppm
(-40°C to +85°C only)
M
FREQUENCY IN MHz
M - indicates MHz and decimal point.
Frequency is recorded with minimum 5
significant digits to the right of the "M".
OPERATING TEMPERATURE RANGE
C = -20°C to +70°C (standard)
I = -40°C to +85°C
Example Part Number: 636L3C032M76800
Document No. 008-0250-0
Page 1 - 4
Rev. E
٠ ٠ ٠
CTS Electronic Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠ ٠ ٠
٠ ٠ ٠
www.ctscorp.com
٠ ٠ ٠
5.0x3.2mm Low Cost
HCMOS/TTL Clock Oscillator
Model 636
ELECTRICAL CHARACTERISTICS
Absolute Maximums
PARAMETER
Maximum Supply Voltage
Storage Temperature
Frequency Range
Frequency Stability
(See Note 1 and Ordering Information)
SYMBOL
V
CC
T
STG
f
O
∆f/f
O
∆f/f
O
T
A
± 10 %
V
CC
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Aging
Operating Temperature
Commercial
Industrial
Supply Voltage
Model 636M
Model 636N
Model 636L
Model 636S
Supply Current
Model 636M
MAX
7.0
125
125
20,25,50
or 100
3
70
85
1.98
2.75
3.63
5.50
5
15
20
7
15
25
7
20
30
10
30
40
15
30
15
50
30
15
-
10%V
CC
-2, -4,
-8, -16
+2, +4,
+8, +16
55
10
6
3
8
5
2
10
UNIT
V
°C
MHz
± ppm
± ppm/yr
°C
V
Model 636N
I
CC
Model 636L
Model 636S
1.0 MHz to 20 MHz
20.1 MHz to 50 MHz
50.1 MHz to 125 MHz
1.0 MHz to 20 MHz
20.1 MHz to 50 MHz
50.1 MHz to 125 MHz
1.0 MHz to 20 MHz
20.1 MHz to 50 MHz
50.1 MHz to 125 MHz
1.0 MHz to 20 MHz
20.1 MHz to 50 MHz
50.1 MHz to 125 MHz
1.0 MHz to 125 MHz
1.0 MHz to 50 MHz
50.1 MHz to 125 MHz
1.0 MHz to 50 MHz
50.1 MHz to 80 MHz
80.1 MHz to 125 MHz
CMOS Load
CMOS Load
V
OH
= 90%V
CC
V
OL
= 10%V
CC
@ 50% Level
@ 10% - 90% Levels
1.0 MHz to 20 MHz
20.1 MHz to 50 MHz
50.1 MHz to 125 MHz
1.0 MHz to 20 MHz
20.1 MHz to 50 MHz
50.1 MHz to 125 MHz
Application of V
CC
Output Load
Model 636M
Model 636N & 636L
Electrical and Waveform Parameters
Model 636S
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
mA
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
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
-
-
-
-
-
-
-
-
-
-
-
-
8
4
2.5
6
3
15
-
V
mA
%
T
R
, T
F
Model 636S
T
S
ns
Start Up Time
Enable Function
Enable Input Voltage
Model 636M
Model 636N
Model 636L
Model 636S
Disable Input Voltage
Model 636M,N,L
Model 636S
Enable Time (M,N,L,S)
Standby Current
Period Jitter, Pk-Pk
Period Jitter, RMS
Phase Jitter, RMS
ms
V
IH
Pin
Pin
Pin
Pin
Pin
Pin
Pin
Pin
1
1
1
1
1
1
1
1
Logic
Logic
Logic
Logic
Logic
Logic
Logic
Logic
'1',
'1',
'1',
'1',
Output Enabled
Output Enabled
Output Enabled
Output Enabled
1.26
1.75
2.0
4.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
<2
-
-
-
-
0.5
0.8
10
10
100
25
-
V
V
IL
T
PLZ
I
ST
-
-
-
'0', Output Disabled
'0', Output Disabled
'1'
'0', Output Disabled
-
-
Bandwidth 12 kHz - 20 MHz
ms
uA
ps
Notes:
1. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and aging.
Document No. 008-0250-0
Page 2 - 4
Rev. E
٠ ٠ ٠
CTS Electronic Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠٠٠
5.0x3.2mm Low Cost
HCMOS/TTL Clock Oscillator
CMOS/TTL OUTPUT WAVEFORM
Tr
Tf
Model 636
TEST CIRCUIT, CMOS LOAD
V
OH
90%, 80%, 2.4V
+
mA
-
4
3
D.U.T.
C
L
2
Including probe
capacitance.
50%, 1.5V
+
POWER
SUPPLY
+
VM
-
.01uF
-
10%, 20%, 0.5V
UPTIME (t)
PERIOD (T)
1
V
OL
Enable Input
DUTY CYCLE = t/T x 100 (%)
D.U.T. PIN ASSIGNMENTS
ENABLE TRUTH TABLE
PIN 1
Logic ‘1’
Open
Logic ‘0’
PIN 3
Output
Output
High Imp.
PIN
1
2
3
4
SYMBOL
EOH
GND
Output
V
CC
DESCRIPTION
Enable Input
Circuit & Package Ground
RF Output
Supply Voltage
MECHANICAL SPECIFICATIONS
PACKAGE DRAWING
MARKING INFORMATION
1. ** - Manufacturing Site Code.
2. YWW – Date code, Y – year, WW – week.
3. XXXMXXXX - Frequency marked with 4 significant
digits after the ‘M’.
(1.0)
0.039
(3.2 ±0.2)
0.126 ±0.008
(2.2)
0.087
3
4
(5.0 ±0.2)
0.197 ±0.008
PIN 1 IDENTIFIER
(1.2)
0.047
CTS ** YWW
●
XXXMXXXX
2
1
NOTES
1. Termination pads (e4), barrier-plating is nickel (Ni)
with gold (Au) flash plate.
2. Reflow conditions per JEDEC J-STD-020.
(2.54)
0.100
(1.3)
MAX
0.047
Key:
(mm)
Inch
SUGGESTED SOLDER PAD GEOMETRY
.055 [1.40]
C
BYPASS
4
.047 [1.20]
3
.087 [2.20]
1
.100 [2.54]
2
Key:
[mm]
Inch
C
BYPASS
should be
≥
0.01 uF.
Document No. 008-0250-0
Page 3 - 4
Rev. E
٠ ٠ ٠
CTS Electronic Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠٠٠
5.0x3.2mm Low Cost
HCMOS/TTL Clock Oscillator
Model 636
TAPE AND REEL INFORMATION
DIMENSIONS IN MILLIMETERS
17.5
Ø13
4.0
8.0
Ø1.50
1.75
1.50
1.30
2.0
120°
5.60
5.20
16.0
Ø60
Ø180
3.70
3.50
DIRECTION OF FEED
Ø23
Device quantity is 3,000 pieces per 180mm reel.
ENVIRONMENTAL SPECIFICATIONS
Temperature Cycle:
Mechanical Shock:
Sinusoidal Vibration:
Gross Leak:
Fine Leak:
Resistance to Solder Heat:
High Temperature Operating Bias:
Frequency Aging:
Moisture Sensitivity Level:
400 cycles from –55°C to +125°C, 10 minute dwell at each temperature, 1
minute transfer time between temperatures.
1,500g’s, 0.5mS duration, ½ sinewave, 3 shocks each direction along 3
mutually perpendicular planes (18 total shocks).
0.06 inches double amplitude, 10 to 55 Hz and 20g’s, 55 to 2,000 Hz, 3 cycles
each in 3 mutually perpendicular planes (9 times total).
No leak shall appear while immersed in an FC40 or equivalent liquid at
+125°C for 20 seconds.
Mass spectrometer leak rates less than 2x10
-8
ATM cc/sec air equivalent.
Product must survive 3 reflows of +260°C peak, 10 seconds maximum.
2,000 hours at +125°C, maximum bias, disregarding frequency shift.
1,000 hours at +85°C, full bias, less than ±5 ppm shift.
Level 1 per JEDEC J-STD-020.
QUALITY AND RELIABILITY
Quality systems meet or exceed the requirements of ISO 9000:2000 standards.
Document No. 008-0250-0
Page 4 - 4
Rev. E
٠ ٠ ٠
CTS Electronic Components, Inc.
٠
171 Covington Drive
٠
Bloomingdale, IL 60108
٠٠٠
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