Datasheet > NW34M25WA

NW34M25WA

更新时间： 2024-09-25 03:45:39

品牌	Logo	应用领域
日本电波 - NDK		振荡器晶体振荡器石英晶振
页数	文件大小	规格书
1页	83K
描述
Frequency Controlled Crystal Oscillator (FCXO)

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数据手册

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NW34M25WA 数据手册

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Frequency Timing and Translation Modules

Frequency Controlled Crystal Oscillator (FCXO)

Model Name NW34M25WA

Clock Generator Modules

Main Application

SONET, SDH, FTTH, Communications equipment

Features

l Dual reference inputs, LVPECL and CMOS outputs

l Simple hardware control for operational mode

l Automatic Free-run upon loss of input reference

l Lock acquisition time < 1 second

* Module markings may be changed without notice.

Specifications

Model

NW34M25WA

Item

Supply Voltage (V_CC

Current Consumption

Operating Temp. Range

Input Level

Input Reference Frequency

Output Levels

Output Frequencies (MHz)

Free-run accuracy (at 25°C)

Capture / pull-in range

+3.3 V DC 5ꢀ

)

200 mA typ

0 to +70°C

2-CMOS

19.44 MHz*

2(3) LVPECL and 1 CMOS

77.76 (LVPECL1, CMOS) and 155.52 (LVPECL0)*

−6

20ꢁ10 max.

−6

25 ꢁ10 min.

(*other frequencies are available)

List of Ordering Codes

Output frequencies (MHz)

Input reference

Ordering Code

frequency (MHz)

19.44

LVPECL 0

155.52

LVPECL 1

77.76

LVPECL 2

High-Z

CMOS

77.76

NW34M25WA-155.52M-NSA3436A

Dimensions

Control Functions

Control 1

Control 2

Mode of operation

Lock to Ref A

PAD No. Connection

Alarm Output

Ref A Input

DNC

Lock to Ref B

Forced Free-run

Outputs are Tri-stated

Ref B Input

OPT (LVPECL 2+)

OPT (LVPECL 2–)

VCC

25.4 0.3

GND

34.3 0.3

LVPECL 1+

LVPECL 1–

LVPECL 0+

LVPECL 0–

GND

VCC

CMOS Output

DNC

Control 1

Control 2

#10

#11

#12

#13

#14

#15

#16

#17

#18

#19

#20

4.8max

#1 #2 #3 #4 #5 #6 #7 #8 #9 #10

20.4 0.2

2.54 0.2

#20 #19 #18 #17 #16 #15 #14 #13 #12 #11

1.8 0.2

2.54 0.15

DNC : Do not connect

co34_080205_NW34M25WA_e1

中文翻译

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