Datasheet > DFAS1-KHZ20.000ES3

DFAS1-KHZ20.000ES3

更新时间： 2024-11-15 08:17:47

品牌	Logo	应用领域
西迪斯 - CTS		/
页数	文件大小	规格书
1页	41K
描述
Oscillator,

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中文翻译

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数据手册

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DFAS1-KHZ20.000ES3 数据手册

FREQUENCY CONTROL PRODUCTS

S T R A T U M I I I M I N I A TU R E S U R F AC E M O U N T TC X O

D F A S 1 - K H Z ( 5 V ) & D F A S 1 - L H Z ( 3 . 3 V )

14.8 0.3

KEY FEATURES

5.08

5 to 52 MHz

Stratum III compliant over -40 to 85°C up to

20 MHz

1.0

Sonet Minimum Clock compliant over

-40 to 85°C up to 52 MHz

APPLICATIONS

Stratum III & SMC

5.08

Function

E / D

GND

Output

DFA S1

PC board footprint

1.27

Vcc

TYPE

DFA S1-KHZ

DFA S1-LHZ

5 to 20 MHz

20.1,to 52 MHz*

12.8, 16.384, 19.44, 20, 34.368*, 38.88* & 44.736* MHz

Frequency Range

Standard Frequencies

ELECTRICAL SPECIFICATIONS

supply voltage

supply current ( no load)

output load

duty cycle @ 50% level

rise/fall times (10 to 90 %)

high/low levels or output amplitude

start-up

5 V 5 %

≤ 20 mA

HCMOS 15 pF or 2 TTL

45/55...55/45 %

≤ 5 ns

3.3 V 5 %

≤ 10 mA

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

≥ 2.8 V/ ≤ 0.3 V

≤ 10 ms @ 3.15 V

high or open = enable, low = high Z

tri-state control on pin 2

FREQUENCY STABILITY

temperature

range

detailed tolerances [ ppm ]

Holdover

stability

model

code

stability versus:

temperature Vcc 5 %

overall

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 AS1001

-20 to 70°C* CS3

-40 to 85°C* ES3

≤

4.6

over

15 years 15 years

all types

≤

0.28

3.5

≤

0.1

over

≤

0.37

≤

0.04

≤

0.8

Telcordia GR-253 CORE SMC or ITU-T G.813 option 2

10 20

over over

20 years 20 years

≤

0 to 70°C BSM

all types

≤

0.3

≤

4.6

≤

0.5

≤

-40 to 85°C ESM

DEFINITIONS

24 hours drift

24 hours holdover mode

GR-1244-CORE, GR-253-CORE or G.813

Over full temperature range and Vcc 0.5 %

ORDERING CODE

Example

type + option code + frequency + model code

DFA S1-LHZ 19.44 MHz AS3

*All temperature range and stability combinations are not available. Please consult factory for available combinations.

TYPE

DFA S1 STRATUM III

REVISION

CHECKED

DATE

08.04.2008

PAGE

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