B
eckElec
519 West Lone Cactus, Suite 404 Phoenix, AZ 85027
PH:
6
23
-
4
3
5
-6
555
VL3
& VL4 5 mm x 7 mm Squarewave VCXOs
P/N VL
3
-
K
16.384 MHz
K
= ±50 ppm 0 to +70°C
3 =
+3.3 Vdc
4
= +5.0 Vdc
FEATURES
+3.3 Vdc or +5.0 Vdc
±100 PPM min. Pull Range
Tri-State on Pad 2
Low profile
1.6 mm/.063 inch tall
Hermetically sealed
APPLICATIONS
ADSL
Modems
PCMCIA
Modems
STD FREQUENCY OPTIONS 2 to 40 MHz
:
8.832 MHz
27.000 MHz
17.664 MHz
32.768 MHz
20.000 MHz
35.328 MHz (ADSL)
25.000
MHz
STABILTY vs. TEMPERATURE OPTIONS
1
:
K
±50 ppm 0 to +70°C
L
±50 ppm -40 to +85°C
1) Includes load, supply
and 1st year aging
variations.
Stability is relative to VC set to nominal frequency.
Tri-state
enables with no connection or at +2.0 Vdc
Minimum on Pad 2. Disable by 0 to 0.8 Vdc max.
TUNING/LINEARITY
VL3
±90 ppm Minimum
2
1.65 Vdc ±1.5V 10% linearity
VL4
±150 ppm Minimum 2.50 Vdc ±2.0V 10% linearity
2) ±100 PPM minimum total at center VC
AGING:
3 ppm/year Max after 1st year
LOAD:
HCMOS 30 pF max
LOGIC "0":
0.4 Vdc max. sinking 3.2 mA
LOGIC "1":
90% Vdd min. souring 0.8 mA
INPUT CURRENT: <25 mA 3.3 Vdc (VL1)
<40 mA 5.0 Vdc (VL2)
Tr and Tf
<6 ns maximum
START-UP: <4 ms typical
PAD 1 = VC
PAD 4 = Output
PAD 2 = Tri-State
PAD 5 = NC
PAD 3 = Ground
PAD 6 = B+
B
eckElec PH: 62
3
-
4
3
5
-6
555
FAX: 623-435-0013 www.beckelec.com e-mail:
sales
@
beckelec.com
Specification dated 08/09/00 all specifications subject to change without notice
BeckElec
VL1-KM1T
35M328
EXTERNAL
.01 uF between
B+ and Ground