DFAS4-KHZ16.384MHZAS3 datasheet, PDF

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DFAS4-KHZ16.384MHZAS3: DescriptionHCMOS/TTL Output Clock Oscillator, 16.384MHz Nom, SURFACE MOUNT PACKAGE-5; CategoryPassive components oscillator; File Size54KB，1 Pages; ManufacturerCTS; Environmental Compliance

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DFAS4-KHZ16.384MHZAS3 Overview

HCMOS/TTL Output Clock Oscillator, 16.384MHz Nom, SURFACE MOUNT PACKAGE-5

DFAS4-KHZ16.384MHZAS3 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Reach Compliance Code	compliant
Is Samacsys	N
Other features	TRI-STATE ENABLE/DISABLE FUNCTION
Ageing	3 PPM/15 YEAR
maximum descent time	5 ns
Frequency Adjustment - Mechanical	NO
frequency stability	4.6%
Installation features	SURFACE MOUNT
Nominal operating frequency	16.384 MHz
Maximum operating temperature	50 °C
Minimum operating temperature
Oscillator type	HCMOS/TTL
Output load	2 TTL, 15 pF
physical size	25.4mm x 22.2mm x 7.4mm
longest rise time	5 ns
Maximum supply voltage	5.25 V
Minimum supply voltage	4.75 V
Nominal supply voltage	5 V
surface mount	YES
maximum symmetry	55/45 %
Base Number Matches	1

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FREQUENCY CONTROL PRODUCTS

STRATUM III SURFACE MOUNT TCXO

DFA S4-KHZ (5 V) & DFA S4-LHZ (3.3 V)

2.5

KEY FEATURES

5 to 20.000 MHz

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

20.000 Mhz

APPLICATIONS

Stratum III

Function

E/D

Vcc

Output

GND

2.5

20.0

7.4±0.2

DFA S4

0.8

25.4±0.2

22.2±0.5

23.6

8.9

17.8

8.9

PC board footprint

3.0

4.0

TYPE

Frequency Range

Standard Frequencies

DFA S4-KHZ

DFA S4-LHZ

5 to 20 MHz

12.8, 16.384, 19.44 & 20 MHz

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

tri-state control on pin 2

5V ±5%

≤

20 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

3.3 V ± 5 %

≤

10 mA

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

FREQUENCY STABILITY

type

temperature

range

model

code

detailed tolerances [ ppm ]

stability versus:

temperature Vcc ± 5 %

ageing

overall

stability

Holdover

stability

24 hrs

drift

calibration

@ 25°C

Telcordia GR-1244 CORE Stratum III or ITU-T G.813 option 1

0 to 50°C AS3

all types

0 to 70°C BS3

-20 to 70°C CS3

-40 to 85°C ES3

≤

± 0.28

≤

± 0.01

≤

±3

over

15 years

≤

± 4.6

over

15 years

≤

± 0.37

≤

± 0.04

≤

± 0.8

DEFINITIONS

24 hours drift

24 hours holdover mode

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

Over full temperature range and Vcc ± 5 %

ORDERING CODE

Example

type + option code + frequency + model code

DFA S4-LHZ 20.000 MHz ES3

TYPE

DFA S4 STRATUM III

REVISION

CHECKED

DATE

17.01.2006

PAGE

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