CSO-018T Model
Clock Oscillator
5X7 mm SMD, 3.3V, HCMOS
Frequency Range:
1.544MHz to 125MHz
Frequency Stability:
Temperature Range:
Operating:
±25ppm to ±100ppm
0°C to 70°C
(Option M) -20°C to 70°C
(Option X)
Storage:
-40°C to 85°C
Designed to meet today's
requirements for economical
3.3V applications. Available
on 16mm tape and reel in
quantities of 1K.
-55°C to 120°C
Input Voltage:
Input Current:
Output:
3.3V ± 0.3V
45mA Max
HCMOS
Symmetry:
40/60% Max @ 50% Vdd
45/55% Max @ 50% Vdd
10ns Max @ 20/% to 80% Vdd
"0" = 10% Vdd Max
"1" = 90% Vdd Min
15pF Max
(Option Y)
Rise/Fall Time:
Logic:
Load:
Aging:
<3ppm 1st/yr, 1ppm every year thereafter
SUGGESTED PAD LAYOUT
Dimensions inches (mm)
.040 ±.003
(1.02 ±.08)
All dimensions are Max unless otherwise specified.
.071 SQ
(1.80)
.283 Max
(7.20)
#1
#4
#2
#3
.165
(4.19)
.045 ±.008
(1.14 ±.20)
P/N
.204 Max
.075 Max
(1.80)
(5.02)
Freq DC
.200 ±.005
(5.08 ±.13)
.200
Denotes pad 1
(5.08)
0.01uF Bypass Capacitor Recommended
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
Critical Temperature
3°C/Sec Max.
Crystek Part Number Guide
CSO-018T X Y- 25 - 49.152
Zone
Ramp-Down
6°C/Sec.
260°C
217°C
200°C
#1
#2
#3 #4
#5
#6
#1 Crystek Clock Osc.
#2 Model
Stability Indicator
150°C
#3 Temp. Range: Blank= 0/70°C, M= -20/70°C, X= -40/85°C
#4 Symmetry: Blank=(40/60), Y=(45/55)
#5 Stability: (see Table 1)
Blank (std)
± 100ppm
25
50
±
±
25ppm
50ppm
#6 Frequency in MHz: 3 or 6 decimal places
Preheat
90 Secs. Max.
Table 1
180 Secs. Max.
8 Minutes Max.
Example:
CSO-018TXY-25-25.000
CSO-018T-50-19.660800
= 3.3V Tristate, -40/85°C, 45/55, 25ppm, 25.000 MHz
260°C for
=
3.3V Tristate, 0/70, 40/60, 50ppm, 19.660800 MHz
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
Tri-State Function
OUT
mA
M
Function pin 1
Output pin
pin 3
pin 4
O/P Load
Vdd
OUT
GND
incl Probe Cl
Open
"1" level 2.4V Min
"0" level 0.4V Max
Active
Active
High Z
PWR
OSC.
Bypass
Cap.
pin 1
VM
Supply
pin 2
High Impedance
GND or "LOW"
Oscillation
OPEN or "HIGH"
TD-021001 Rev. C
7
Specifications subject to change without notice.