Datasheet > DFAS4-LHZFREQAS3

DFAS4-LHZFREQAS3

更新时间： 2024-11-16 09:16:11

品牌	Logo	应用领域
西迪斯 - CTS		/
页数	文件大小	规格书
1页	53K
描述
HCMOS/TTL Output Clock Oscillator, 5MHz Min, 20MHz Max, SURFACE MOUNT PACKAGE-5

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数据手册

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DFAS4-LHZFREQAS3 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 )

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

25.4±0.2

22.2±0.5

23.6

Function

E/D

Vcc

Output

GND

DFA S4

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

≤ ± 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

CHECKED

DATE

17.01.2006

PAGE

中文翻译

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