K1144B Series
5V Crystal Clock Oscillators
! Applications: Local Reference Clock
!
!
!
!
4-pin Package, Compatible with 14-pin DIL
1.75 to 35.0MHz Frequency Range
CMOS/TTL Compatible Output
Tri-State Option Available
13,2 mm Max.
20,8 mm Max.
144B
Max.
mm
MHZ
K1
.000
TE CODE
7,49
18
DA
TI
C
Tighter Stabilities Available
!
Extended Temperature Version Available
PIN 1
ELECTRICAL SPECIFICATIONS
MODEL
K1144BME
K1144BH/E
K1144BT/E
K1144BX/E
Frequency Range (MHz)
Frequency Stability (ppm)
1.75 to 35.0
Overall
Inclusive of calibration, temperature, voltage, load, shock,vibration, aging
0°C to 70°C
Temperature Range (°C)
Operating
Storage
Supply Voltage (V)
±20
±16
±14
±20
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
+5.0 ±10%
-30°C to +70°C
Voltage Stability (ppm)
±3
o
Supply Current (mA)
Output TTL/CMOS
<50 @ 25 C, <60 over temperature
“0” Level (V
)
0.5V max @ I
= 16mA
= -24mA
OL
OL
“1” Level (V
)
2.5V min @ I
OH
OH
Load
Load Stability (ppm) (Typical)
& T (ns)
10TTL Gates; CMOS Compatible
±2; C = 15pF
L
T
<5
R
F
Symmetry (%) (CMOS/TTL)
45/55 <12MHz, 40/60 13 to 35MHz
Jitter (Typical)
Start up Time (ms)
5ps RMS @ 40MHz
<10
PART NUMBERING GUIDE (Use this chart for ordering)
Model Characteristics
K1144BM/E
K1144BH/E
K1144BT/E
K1144BX/E
±5
±4
±8
±4
±6
Calibration (ppm)
±15
o
o
±11
-30 C to 70 C
vs. Temperature (ppm)
o
o
o
o
o
o
(incl. Cal & Temp.)
0 C to 70 C
±0.5
0 C to 60 C
±0.5
0 C to 60 C
±0.5
±0.5
±0.5
±0.5
±0.5
±2.0
±20
vs. Voltage (ppm)
vs. Load (ppm)
vs. Shock (ppm)
vs. Vibration (ppm)
1 Year Aging (ppm)
Total Stability
±0.5
±0.5
±0.5
±2.0
±0.5
±0.5
±0.5
±2.0
±0.5
±0.5
±0.5
±2.0
±20
±16
±14
Tri-State Option on E Models
2553 N. Edgington Street, Franklin Park, IL 60131 " Phone: 847.451.1000 " Fax: 847.451.7585
800-888-1499 or www.champtech.com
1