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參數資料
| 型號： | VF70A-2FREQ |
| 廠商： | VALPEY FISHER CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 0.25 MHz - 100 MHz, TTL OUTPUT |
| 文件頁數： | 1/1頁 |
| 文件大小： | 23K |
| 代理商： | VF70A-2FREQ |
VF70
HCMOS/TTL Compatible Half Size
Crystal Clock Oscillators
FEATURES
Tristate Output Available
Low Cost
Industrial and Military
Temperature Available
Wide Frequency Range
Very Low Phase Jitter
VF70
60.000MHZ
BO1H
0.495" MAX
(12,6mm)
0.495" MAX
(12,6mm)
0.300"
(7,6mm)
0.300"
(7,6mm)
0.238" MAX
(6,05mm)
.160" MIN
(4,06mm)
#1
#8
#5
#4
GLASS STANDOFFS
0.0180"
± 0.002"
(4,57mm
± 0,051mm)
Creating a Part Number
VF70
INPUT VOLTAGE
Code
Specification
L
3.3 Volt
±5%
5.0 Volt
±5% (std.)
OUTPUT
Code
Specification
T
Tristate
Non-tristate
DUTY CYCLE
Code
Specification
H
±5%
±10% (std.)
FREQUENCY STABILITY
Code
Specification
S
±20
ppm
A
±25
ppm
B
±50
ppm
±100 ppm (std.)
C
±500 ppm
OPERATIONAL TEMP. RANGE
Code
Specification
0
°C to +70°C (std.)
1
-40
°C to +85°C
2
-55
°C to +125°C*
*Not always available
Example: VF70BL-1.8432MHz: Frequency Stability
±50ppm, Duty Cycle ±10%,
Input Voltage 3.3 Volt
±5%, Operating Temperature -40°C to +85°C, Output
Non-Tristate, Lead Configuration Straight, Frequency 1.8432MHz.
FREQ.
LEAD CONFIGURATION
Code
Specification
GR
Gull Wing
G
Gull Wing
Through Hole (std.)
8 5
1 4
8 5
1 4
All dimensions are typical unless otherwise specified.
Parameter
Symb
Condition
Min
Typ
Max
Unit
Note
Input Break
Vcc
–0.5
7.0
V
Down Voltage
Storage Temp.
Ts
–55
+125
°C
Frequency
F
0.25
100
MHz
Frequency
F/F
Overall conditions
±100
ppm
1
Stability
including:
calibration, temp.,
aging 10 yrs,
shock, vibration
Input Voltage
Vcc
4.75
5.00
5.25
V
Std.
3.15
3.30
3.45
LV Opt.
Input Current
Icc
No load
60
mA
2
Load
Duty Cycle
@1.4V
40
50
60
%
3
Rise/Fall Time
Tr/Tf
6
ns
f>60MHz
Logic “1” Level
Voh
MAX Load
2.4
V
Logic “0” Level
Vol
MAX Load
0.4
V
Start–up Time
Ts
2
10
ms
Phase Jitter
1
σ
1
ps
fj>1KHz
Tristate Function
Enable/
Te/Td
100
ns
4
Disable Time
Operating
Temperature Range
0°C to +70°C (–40°C to +85°C, and –55°C to +125°C available)
Mechanical Shock
Per MIL–STD–202, Method 213, Cond. E
Thermal Shock
Per MIL–STD–883, Method 1011, Cond. A
Vibration
Per MIL–STD–883, Method 2007, Cond. A
Soldering Conditions
260°C, for 10s, Max.
Hermetic Seal
Leak rate less than 5 x 10–8 atm.cc/s of helium
Pin Out
Pin #1–NC or Tristate Control
Pin #4–Ground, Case
Pin #5–Output
Pin #8–Vcc
10 TTL gates
Absolute
Max.
Ratings
Electrical
Environmental and
Mechanical
Notes:
1. Standard frequency stability (±20, ±25, ±50, others available).
2. Current is load and frequency dependent.
3. ±5%, duty cycle available.
4. Tristate available.
All specifications are subject to change without notice.
Input HIGH (>2.5V) or floating: ACTIVE
Input LOW (<0.5V): INFINITE IMPEDANCE
Electrical
Connections
XO
VF70
75 South Street, Hopkinton, MA 01748
800-982-5737
508-435-6831
Fax: 508-435-5289 www.valpeyfisher.com
60
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