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参数资料
| 型号： | STKGCA-8.192 |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | XO, clock |
| 英文描述： | VCXO, CLOCK, 8.192 MHz, CMOS/TTL OUTPUT |
| 文件页数： | 2/6页 |
| 文件大小： | 158K |
| 代理商： | STKGCA-8.192 |
S-Type Voltage Controlled Crystal Oscillator
Vectron International 166 Glover Avenue, Norwalk CT 06856-5160
Tel:1-88-VECTRON-1
e-mail:
vectron@vectron.com
Performance Characteristics
Table 1. Electrical Performance
Parameter
Symbo
l
Min
Typical
Maximum
Units
Supply Voltage
1 (+5 or +3.3 V)
VDD
0.9*VDD
1.1*VDD
V
Supply Current
IDD
10mA +0.25mA/MHz
mA
Output Logic Levels
Output Logic High
2
Output Logic Low
2
VOH
VOL
0.8*VDD
0.1VDD
V
Transition Times
Rise Time
2
Fall Time
2
tR
tF
5
ns
Symmetry or Duty Cycle
3
SYM
45/55
%
Nominal Output Frequency Options
fO
1.024
65.536
MHz
Test Conditions for APR (+5V option)
VC
0.5
4.5
V
Test Conditions for APR (+3.3V option)
VC
0.3
3.0
V
Absolute Pull Range (ordering option)
APR
50,80 or 100
ppm
Gain Transfer
Positive
Operating temperature (ordering option)
0/70 or –40/85
°C
Control Voltage Leakage Current
IVCXO
±1
uA
Control Voltage Bandwidth (-3dB)
BW
10
KHz
1. A 0.01uF capacitor should be located as close to the supply as possible (to ground) and a 0.1uF is also recommended.
2. Figure 1 defines these parameters. Figure 2 illustrates the equivalent five gate TTL load and operating conditions under which
these parameters are tested and specified.
3. Symmetry is defined as (ON TIME/PERIOD with Vs=-1.4 V for TTL and Vs=2.5 V for CMOS, 5 volt operation, and Vs=1.65V for
3.3 Volt operation. TTL/CMOS pin should be grounded for frequencies <12MHz.
Figure 2. Output Waveform
Figure 3. Output Test Conditions (25
±±±±5°C)
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional
operation is not implied at these or any other conditions in excess of conditions represented in the
operational sections of this data sheet. Exposure to absolute maximum ratings for extended periods may
adversely affect device reliability.
Table 2. Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Power Supply
VDD
7Vdc
Storage Temperature
Tstorage
-55/125
°C
Voltage Control Range
VC
0 to VDD
V
80
%
50%
20
%
TF
TR
Period
On Tim e
+
-
+
-
I
C
V
C
4
3
.1
F
.01
F
15pF
25
6
1
I
DD
650
V
DD
1.8k
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