CRYSTEK

C25xx Model
5×7 mm SMD, 2.5V, LVCMOS
1.544 MHz to 70 MHz
±20ppm to ±100ppm
Frequency Range:
Frequency Stability:
Temperature Range:
Operating:
(Option)
Storage:
Input Voltage:
Input Current:
Output:
Symmetry:
Rise/Fall Time:
Logic:
Designed to meet today's
requirements for 2.5V
applications. The C25xx
Series
utilizes
only
fundamental
and
3rd
overtone crystal designs.
No multiplier is used
thereby reducing output
jitter. Available on 16mm
tape and reel in quantities
of 1K.
-10°C to 70°C
-40°C to 85°C
-55°C to 120°C
2.5V ± 0.125V
35mA Max
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
<3ppm 1st/yr, <1ppm every year thereafter
Load:
Jitter RMS: 12kHz~20MHz
Aging:
Dimensions inches (mm)
SUGGESTED PAD LAYOUT
All dimensions are Max unless otherwise specified.
0.055 Typ.
(1.40 Typ.)
0.283
(7.20)
P/N XXXX
Frequency
XX
0.071
(1.80)
0.204
(5.02)
0.071 SQ
(1.80)
#1
#2
#4
#3
0.045 ±0.008
(1.14 ±0.20)
0.165
(4.19)
0.200 ±0.005
(5.08 ±0.13)
Denotes pad 1
XXXX=Date Code XX=Lot Code
0.200
(5.08)
0.01uF Bypass Capacitor Recommended
RECOMMENDED REFLOW SOLDERING PROFILE
TEMPERATURE
Ramp-Up
3°C/Sec Max.
Critical Temperature
Zone
Ramp-Down
6°C/Sec.
260°C
Crystek Part Number Guide
217°C
Example: C2592-44.736MHz
Example: CE2592-44.736MHz
200°C
150°C
Temperature
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
260°C for
10 Secs. Max.
-10/70°C
-40/85°C
C2590
C2592
C2591
C2598
CE2590
CE2592
CE2591
NA
Frequency Stability
+/- 100ppm
+/- 50ppm
+/- 25ppm
+/- 20ppm
NOTE: Reflow Profile with 240°C peak also acceptable.
TEST CIRCUIT
Tri-State Function
mA
M
OUT
pin 4
pin 3
Vdd
PWR
Supply
VM
Bypass
Cap.
OSC.
E/D
pin 1
High Impedance
GND or "LOW"
O/P Load
incl Probe Cl
OUT
GND
pin 2
Oscillation
OPEN or "HIGH"
CRYSTEK
CORPORATION
Function pin 1
Output pin
Open
"1" level 2.2V Min
"0" level 0.4V Max
Active
Active
High Z
Specifications subject to change without notice.
TD-02062 Rev.H
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
Fax: 239-561-1025 • www.crystek.com