C25xx Model
5×7 mm SMD, 2.5V, LVCMOS
Frequency Range:
1.544 MHz to 70 MHz
Frequency Stability:
Temperature Range:
Operating:
±20ppm to ±100ppm
Designed to meet today's
requirements for 2.5V
applications. The C25xx
-10°C to 70°C
-40°C to 85°C
-55°C to 120°C
2.5V ± 0.125V
35mA Max
LVCMOS
(Option)
Storage:
Input Voltage:
Input Current:
Output:
Series
utilizes
and
only
fundamental
3rd
overtone crystal designs.
No multiplier is used
thereby reducing output
jitter. Available on 16mm
tape and reel in quantities
of 1K.
Symmetry:
Rise/Fall Time:
Logic:
45/55% Max @ 50% Vdd
1ns Typ, 3.5ns Max
"0" = 10% Vdd Max
"1" = 90% Vdd Min
15pF Max
Load:
Jitter RMS: 12kHz~20MHz
Aging:
0.5ps Typ, 1ps Max
<3ppm 1st/yr, <1ppm every year thereafter
Dimensions inches (mm)
SUGGESTED PAD LAYOUT
All dimensions are Max unless otherwise specified.
0.055 Typ.
(1.40 Typ.)
0.071 SQ
(1.80)
0.283
(7.20)
#1
#4
#2
#3
0.045 ±0.008
(1.14 ±0.20)
P/N XXXX
0.071
(1.80)
0.165
(4.19)
0.204
Frequency
(5.02)
XX
0.200 ±0.005
(5.08 ±0.13)
0.200
(5.08)
Denotes pad 1
XXXX=Date Code XX=Lot Code
0.01uF Bypass Capacitor Recommended
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
Critical Temperature
3°C/Sec Max.
Zone
260°C
Ramp-Down
Crystek Part Number Guide
6°C/Sec.
217°C
Example: C2592-44.736MHz
Example: CE2592-44.736MHz
200°C
150°C
Temperature
Frequency Stability
-10/70°C
-40/85°C
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
C2590
C2592
C2591
C2598
CE2590
CE2592
CE2591
NA
+/- 100ppm
+/- 50ppm
+/- 25ppm
+/- 20ppm
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
TEST CIRCUIT
Tri-State Function
mA
M
OUT
Function pin 1
Output pin
pin 4
pin 3
O/P Load
incl Probe Cl
Vdd
OUT
PWR
Supply
Bypass
Cap.
Open
"1" level 2.2V Min
"0" level 0.4V Max
Active
Active
High Z
VM
OSC.
E/D
GND
pin 1
pin 2
Specifications subject to change without notice.
TD-02062 Rev.H
High Impedance
GND or "LOW"
Oscillation
OPEN or "HIGH"
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
CRYSTEK
CORPORATION
Fax: 239-561-1025 • www.crystek.com
CRYSTEKMICROWAVE [ CRYSTEK CORPORATION ]