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C18XX Datasheet, PDF (1/1 Pages) Crystek Corporation – 5X7 mm SMD, 1.8V, LVCMOS Clock Oscillator
C18xx Model
5X7 mm SMD, 1.8V, LVCMOS
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Frequency Range:
Frequency Stability:
Temperature Range:
Operating:
(Option M)
Storage:
Input Voltage:
Input Current:
Output:
Symmetry:
Rise/Fall Time:
Logic:
Load:
Jitter RMS: 12KHz~20MHz
1MHz to 100MHz
±20ppm to ±100ppm
0°C to 70°C
-20°C to 70°C
-55°C to 120°C
1.8V ± 0.2V
30mA Max @ 15pF
LVCMOS
45/55% Max @ 50% Vdd
1ns Typ, 3.5ns Max
"0" = 10% Vdd Max
"1" = 90% Vdd Min
15pF Max
0.5ps Typ, 1ps Max
Clock Oscillator
Designed to meet today's
requirements for low
voltage applications. The
power saving sleep
function of the C18xx turns
the oscillator circuit off for
maximum efficiency.
Available on 16mm tape
and reel in quantities of 1K.
Aging:
<3ppm 1st/yr, 1ppm every year thereafter
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
.283 Max
(7.20)
P/N DC
Freq
.204 Max
(5.02)
Denotes pad 1
.055 Typ.
(1.40 Typ.)
#1
#2
.075 Max
(1.80)
#4
#3
.200 ±.005
(5.08 ±.13)
RECOMMENDED REFLOW SOLDERING PROFILE
260°C
217°C
Ramp-Up
3°C/Sec Max.
Critical Temperature
Zone
Ramp-Down
6°C/Sec.
200°C
150°C
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
PWR
Supply
mA
M
VM
pin 4
pin 3
Vdd
OUT
Bypass
Cap.
pin 1
OSC.
GND
pin 2
OUT
O/P Load
incl Probe Cl
.045 ±.008
(1.14 ±.20)
SUGGESTED PAD LAYOUT
.071 SQ
(1.80)
.165
(4.19)
.200
(5.08)
0.01uF Bypass Capacitor Recommended
Crystek Part Number Guide
Example: C1892-44.736MHZ
Example: CM1892-44.736MHZ
Temperature
0/ 70°C
-20/ 70°C
C1890
C1892
C1891
C1898
CM1890
CM1892
CM1891
NA
Frequency Stability
-40/ 85°C
CE1890 +/- 100ppm
CE1892 +/- 50ppm
CE1891 +/- 25ppm
NA +/- 20ppm
Tri-State Function
Function pin 1
Output pin
Open
"1" level 0.7V Min
"0" level 0.3V Max
Active
Active
High Z
High Impedance
GND or "LOW"
Oscillation
OPEN or "HIGH"
Specifications subject to change without notice. TD-02061 Rev.H