Datasheet > DFA14-CH38.88MHZBSM

DFA14-CH38.88MHZBSM

更新时间： 2024-11-07 08:57:03

品牌	Logo	应用领域
西迪斯 - CTS		/
页数	文件大小	规格书
1页	51K
描述
HCMOS Output Clock Oscillator, 38.88MHz Nom

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数据手册

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DFA14-CH38.88MHZBSM 数据手册

FREQUENCY CONTROL PRODUCTS

D I L 1 4 S T R A T U M I I I T C X O

D F A 1 4 - C H ( 5 V ) & D F A 1 4 - C L H ( 3 . 3 V )

KEY FEATURES

20.3±0.1

15.24

5 to 52 MHz

PIN 1

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

38.88 Mhz

Sonet Minimum Clock compliant over

-40 to 85°C up to 52 MHz

APPLICATIONS

Stratum III & SMC

H = 8.50 mm

0.45

Function

N/C

DFA 14

GND

Output

Vcc

TYPE

DFA 14-CH

DFA 14-CLH

Frequency Range

5 to 20 MHz, soon to 38.88 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 %

≤ 5 ns

HCMOS 15 pF or 2 TTL

45/55...55/45 %

≤ 5 ns

duty cycle @ 50% level

rise/fall times (10 to 90 %)

high/low levels or output amplitude

≥ 4.5 V/ ≤ 0.5 V

≥ 2.8 V/ ≤ 0.3 V

start-up

≤ 10 ms @ 4.75 V

≤ 10 ms @ 3.15 V

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

≤ ± 3

≤ ± 4.6

all types

≤ ± 0.28

≤ ± 3.5

≤ ± 0.3

over

≤ ± 0.37

≤ ± 0.04

≤ ± 0.8

-20 to 70°C* CS3

-40 to 85°C* ES3

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 14-CLH 19.44 MHz ESM

* Preliminary, please consult factory for details

TYPE

DFA 14 SIII

REVISION

CHECKED

DATE

06.09.2005

PAGE

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