DFN4-KB43.700MHZXE75 [CTS]
HCMOS/TTL Output Clock Oscillator, 43.7MHz Nom;
| 型号： | DFN4-KB43.700MHZXE75 |
| 厂家： | 
CTS |
| 描述： | HCMOS/TTL Output Clock Oscillator, 43.7MHz Nom |
| 文件： | 总1页 (文件大小：82K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FREQUENCY CONTROL PRODUCTS
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
DFN 14
DFN 4
KEY FEATURES
1 to 70 MHz
20.3±0.1
12.7±0.1
7.62
15.24
PIN 1
PIN 1
± 15 ppm overall stability available
Encapsulated crystal
APPLICATIONS
Sonet/SDH/Avionics/High rel. clocks
Function
NC/Enable
GND
DFN 14
DFN 4
1
7
1
4
5
8
0.45
0.45
Output
Vcc
8
14
H = 5.10 mm
TYPE
DFN 14-KB
DFN 4-KB
DFN 4-KH
Frequency Range
1 to 70 MHz
1 to 70 MHz
1 to 70 MHz
ELECTRICAL SPECIFICATIONS
supply voltage
5 V ± 5 %
5 V ± 5 %
supply current (no load)
output load
≤ 25 MHz
≤ 20 mA
≤ 50 mA
≤ 20 mA
≤ 50 mA
> 25 MHz
HCMOS 15 pF or 10 TTL
HCMOS 50 pF up to
25 MHz, 15 pF above
40/60...60/40 % @ 50%
level
duty cycle
40/60...60/40 % @ 50% level or 1.4 V
rise/fall times
0.4 to 2.4 V
10 to 90%
≤ 3.5 ns
≤ 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
≥ 4.5 V/ ≤ 0.5 V
start up
≤ 10 ms @ 4.75 V
≤ 10 ms @ 4.75 V
FREQUENCY STABILITY
stability [ ppm ] and temperature code
types
temperature range
0 to 70°C
stability
≤ ± 15
≤ ± 25
≤ ± 50
code
XB15
XE25
XH50
stability
≤ ± 25
≤ ± 50
≤ ± 75
code
XB25
XE50
XH75
stability
≤ ± 50
code
XB50
XE75
XH100
all types
-40 to 85°C
≤ ± 75
≤ ± 100
-55 to 125°C
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 1st year
CODE
R
Z
OPTIONS
45/55...55/45 %
tight symmetry (f ≤ 50 MHz)
tri-state output on pin 1
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
TYPE
DFN 14-KB, 4-KB & 4-KH
REVISION
02
CHECKED
NE
DATE
10.10.2002
PAGE
22
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