DFAS2-LHZ5MHZCS3 [CTS]
HCMOS/TTL Output Clock Oscillator, 5MHz Nom, MINIATURE PACKAGE-4;
| 型号： | DFAS2-LHZ5MHZCS3 |
| 厂家： | 
CTS |
| 描述： | HCMOS/TTL Output Clock Oscillator, 5MHz Nom, MINIATURE PACKAGE-4 |
| 文件： | 总1页 (文件大小：54K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
S T R AT U M I I I M I N I AT U R E S U R F AC E M O U N T T C X O
D F A S 2 - K H Z ( 5 V ) & D F A S 2 - L H Z ( 3 . 3 V )
7.2±0.2
KEY FEATURES
5.08
5 to 52 MHz
Stratum III compliant over -40 to 85°C up to
20 Mhz
0.9
Sonet Minimum Clock compliant over
-40 to 85°C up to 52 MHz
APPLICATIONS
5.08
Stratum III & SMC
4
1
3
2
Function
E/D
GND
Output
Vcc
DFA S2
PC board footprint
1
2
3
4
1.4
TYPE
DFA S2-KHZ
DFA S2-LHZ
Frequency Range
5 to 20 MHz, (BSM & ESM up to 52 MHz)
Standard Frequencies
12.8, 16.384, 19.44, 20, 34.368, 38.88 & 44.736 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 %
HCMOS 15 pF or 2 TTL
45/55...55/45 %
duty cycle @ 50% level
rise/fall times (10 to 90 %)
high/low levels or output amplitude
start-up
≤ 5 ns
≤ 5 ns
≥ 4.5 V/ ≤ 0.5 V
≥ 2.8 V/ ≤ 0.3 V
≤ 10 ms @ 4.75 V
≤ 10 ms @ 3.15 V
tri-state control on pin 1
high or open = enable, low = high Z
high or open = enable, low = high Z
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
≤ ± 3.5
≤ ± 0.1
over
over
≤ ± 0.37
≤ ± 0.04
≤ ± 0.8
15 years 15 years
Telcordia GR-253 CORE SMC or ITU-T G.813 option 2
≤ ± 10
over
20 years 20 years
≤ ± 20
over
0 to 70°C BSM
all types
≤ ± 0.3
≤ ± 4.6
≤ ± 0.5
≤ ± 1
-40 to 85°C ESM
DEFINITIONS
24 hours drift
GR-1244-CORE, GR-253-CORE or G.813
24 hours holdover mode
Over full temperature range and Vcc ± 0.5 %
ORDERING CODE
type + option code + frequency + model code
Example
DFA S2-LHZ 19.44 MHz BS3
Not all combinations of temperature ranges and stabilities are available. Please consult factory for details.
These products and their specifications are subject to change without notice.
DFA_S2_SIII
16.04.2011 / PIK
Fully compliant to RoHS Directive 2002/95/EC
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