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DFAS4-LHZ19.440MHZBS3 PDF预览

DFAS4-LHZ19.440MHZBS3

更新时间: 2024-10-01 14:41:47
品牌 Logo 应用领域
西迪斯 - CTS 机械振荡器
页数 文件大小 规格书
1页 53K
描述
HCMOS/TTL Output Clock Oscillator, 19.44MHz Nom, SURFACE MOUNT PACKAGE-5

DFAS4-LHZ19.440MHZBS3 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:ObsoleteReach Compliance Code:compliant
风险等级:5.84其他特性:TRI-STATE ENABLE/DISABLE FUNCTION
老化:3 PPM/15 YEAR最长下降时间:5 ns
频率调整-机械:NO频率稳定性:4.6%
安装特点:SURFACE MOUNT标称工作频率:19.44 MHz
最高工作温度:70 °C最低工作温度:
振荡器类型:HCMOS/TTL输出负载:2 TTL, 15 pF
物理尺寸:25.4mm x 22.2mm x 7.4mm最长上升时间:5 ns
最大供电电压:3.465 V最小供电电压:3.135 V
标称供电电压:3.3 V表面贴装:YES
最大对称度:55/45 %Base Number Matches:1

DFAS4-LHZ19.440MHZBS3 数据手册

  
FREQUENCY CONTROL PRODUCTS  
S T R A T U M I I I S U R F A C E M O U N T T C X O  
D F A S 4 - K H Z ( 5 V ) & D F A S 4 - L H Z ( 3 . 3 V )  
2.  
KEY FEATURES  
5 to 20.000 MHz  
Stratum III compliant over -40 to 85°C up to  
20.000 Mhz  
APPLICATIONS  
Stratum III  
20.0  
20.0  
25.4±0.2  
22.2±0.5  
23.6  
Function  
NC  
E/D  
Vcc  
Output  
GND  
DFA S4  
1
2
3
4
5
1
2
3
5
4
PC board footprint  
4.0  
TYPE  
DFA S4-KHZ  
DFA S4-LHZ  
Frequency Range  
5 to 20 MHz  
Standard Frequencies  
12.8, 16.384, 19.44 & 20 MHz  
ELECTRICAL SPECIFICATIONS  
supply voltage  
5 V ± 5 %  
3.3 V ± 5 %  
supply current ( no load)  
20 mA  
10 mA  
output load  
HCMOS 15 pF or 2 TTL  
45/55...55/45 %  
5 ns  
4.5 V/ 0.5 V  
10 ms @ 4.75 V  
high or open = enable, low = high Z  
HCMOS 15 pF or 2 TTL  
45/55...55/45 %  
5 ns  
2.8 V/ 0.3 V  
10 ms @ 3.15 V  
high or open = enable, low = high Z  
duty cycle @ 50% level  
rise/fall times (10 to 90 %)  
high/low levels or output amplitude  
start-up  
tri-state control on pin 2  
FREQUENCY STABILITY  
detailed tolerances [ ppm ]  
temperature  
range  
model  
code  
stability versus:  
temperature Vcc ± 5 %  
overall  
stability  
Holdover  
stability  
24 hrs  
drift  
calibration  
@ 25°C  
type  
ageing  
Telcordia GR-1244 CORE Stratum III or ITU-T G.813 option 1  
0 to 50°C AS3  
0 to 70°C BS3  
-20 to 70°C CS3  
-40 to 85°C ES3  
± 3  
± 4.6  
all types  
± 0.28  
± 0.01  
over  
over  
± 0.37  
± 0.04  
± 0.8  
15 years 15 years  
DEFINITIONS  
24 hours drift  
GR-1244-CORE, GR-253-CORE or G.813  
24 hours holdover mode  
Over full temperature range and Vcc ± 5 %  
ORDERING CODE  
type + option code + frequency + model code  
Example  
DFA S4-LHZ 20.000 MHz ES3  
TYPE  
DFA S4 STRATUM III  
REVISION  
00  
CHECKED  
NE  
DATE  
17.01.2006  
PAGE  
xx  

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