參數(shù)資料
型號: DFN4-KH40.000MHZXH100
廠商: CTS CORP
元件分類: XO, clock
英文描述: CRYSTAL OSCILLATOR, CLOCK, 40 MHz, HCMOS OUTPUT
封裝: DIL-8/4
文件頁數(shù): 1/4頁
文件大?。?/td> 113K
代理商: DFN4-KH40.000MHZXH100
TYPE
DFN 14-KB, 4-KB & 4-KH
REVISION
02
CHECKED
NE
DATE
10.10.2002
PAGE
33
T T L & H C M O S P R E C I S I O N O S C I L L A T O R S
D F N 1 4 - K B , D F N 4 - K B & D F N 4 - K H
KEY FEATURES
1 to 70 MHz
± 15 ppm overall stability available
Encapsulated crystal
APPLICATIONS
Sonet/SDH/Avionics/High rel. clocks
Function
DFN 14
DFN 4
NC/Enable
1
GND
7
4
Output
8
5
Vcc
14
8
TYPE
DFN 14-KB
DFN 4-KB
DFN 4-KH
Frequency Range
1 to 70 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
5 V ± 5 %
supply current (no load)
≤ 25 MHz
≤ 20 mA
> 25 MHz
≤ 50 mA
output load
HCMOS 15 pF or 10 TTL
HCMOS 50 pF up to
25 MHz, 15 pF above
duty cycle
40/60...60/40 % @ 50% level or 1.4 V
40/60...60/40 % @ 50%
level
rise/fall times
0.4 to 2.4 V
≤ 3.5 ns
10 to 90%
≤ 5 ns 1 to 70 MHz
≤ 7 ns up to 25 MHz
≤ 3 ns > 25 MHz
high/low levels
≥ 4.5 V/ ≤ 0.5 V
start up
≤ 10 ms @ 4.75 V
FREQUENCY STABILITY
stability [ ppm ] and temperature code
types
temperature range
stability
code
stability
code
stability
code
0 to 70°C
≤ ± 15
XB15
≤ ± 25
XB25
≤ ± 50
XB50
-40 to 85°C
≤ ± 25
XE25
≤ ± 50
XE50
≤ ± 75
XE75
all types
-55 to 125°C
≤ ± 50
XH50
≤ ± 75
XH75
≤ ± 100
XH100
XH codes only available as DFN 14/4-KB type for F ≤ 50 MHz
remarks
includes calibration at 25°C, temperature, ageing, Vcc and load changes 1
st year
OPTIONS
CODE
tight symmetry (f ≤ 50 MHz)
R
45/55...55/45 %
tri-state output on pin 1
Z
high or open = enable, low = high Z (DFN 4-KH up to 50 MHz only)
ORDERING CODE
type + option code + frequency + temperature code
Example
DFN 4-KBZ 50.000 MHz XB15
1
2
.7
±
0
.1
12.7±0.1
6
±
0
.1
7
.6
2
7.62
PIN 1
0.45
6
.3
0
.8
5
±
0
.1
1
2
.7
±
0
.1
20.3±0.1
H
±
0
.1
7
.6
2
15.24
PIN 1
0.45
6
.3
0
.7
5
±
0
.1
H = 5.10 mm
DFN 14
DFN 4
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