Datasheet > SM4444TS-40.0M

SM4444TS-40.0M

更新时间： 2024-11-21 20:10:35

品牌	Logo	应用领域
PLETRONICS		机械振荡器
页数	文件大小	规格书
1页	81K
描述
CMOS Output Clock Oscillator, 40MHz Max

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中文翻译

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技术参数
数据手册

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SM4444TS-40.0M 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.71	其他特性：	TRAY
最长下降时间：	5 ns	频率调整-机械：	NO
安装特点：	SURFACE MOUNT	最大工作频率：	40 MHz
最高工作温度：	70 °C	最低工作温度：
振荡器类型：	CMOS	输出负载：	15 pF
物理尺寸：	3.2mm x 2.5mm x 1mm	最长上升时间：	5 ns
标称供电电压：	3.3 V	表面贴装：	YES
最大对称度：	45/55 %	Base Number Matches：	1

SM4444TS-40.0M 数据手册

Pl tronics, Inc.

19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA

Manufacturer of High Quality Frequency Control Products

PRELIMINARY SPEC

SM4445T Series

4 Pad 3.2 x 2.5mm Leadless Surface Mount Ceramic Clock Oscillator

CMOS with Enable/ Disable

Fundamental or 3rd Overtone Crystal Used

Contact Factory for Developed Frequencies

Standard Specifications

Overall Frequency Stability

SM4445T: ± 50 PPM, SM4444T: ± 25 PPM over Operating Temp. Range

Operating Temperature Range 0 to +70 C is standard, but can be extended to 40 to +85°C for certain frequencies

Supply Voltage (Vcc)

Symmetry (Duty Cycle)

Logic Levels

2.5 volts and 3.3 volts available, .01 μF bypass cap recommended

45/55% at 50% of Vcc (see Waveform 1)

Logic “1” 90% of Vcc MIN; Logic “0” 10% of Vcc MAX

Output Load

Enable/Disable Option (E/D)

Standard load is 15 pF (typ. 1 ASIC) maximum, see Test Circuit 2 (consult factory for heavier loads)

Output enabled when Pin #1 is open or at Logic “1”; Output disabled when Pin #1 is at Logic “0”.

Rise and Fall Time (Tr & Tf)

Input Current (Icc)

Stand-by Current

5 ns maximum

10 mA maximum

50 uA maximum

Part Numbering Guide

Portions of the part number that appear after the frequency may not be marked on part (C of C provided)

SM44 45 T E V - 40.0M - XX (Internal Code or blank)

Packaging

Tray or

8mm tape

4mm pitch

Model

Frequency in MHz

Frequency Stability

Supply Voltage (Vcc)

V: 3.3 volts ±10%

W: 2.5 volts ± 10%

44 = ± 25 PPM

45 = ± 50 PPM

Optional Operating Temperature Range

NOTE: SM44xxTSV and SM44xxTV denote the same specs.

‘S’ means 45/55% symmetry which is the standard.

E: - 40 to +85° C

Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.

Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load

Solder Pads

Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.

Mechanical: inches (mm)

not to scale

.03 (0.8)

For Best Performance,

Do NOT allow any traces other

than ground under oscillators

(Even in buried layers)

GND

OUT

.039 (1.0)

.051 (1.3)

0.01mF

bypass capacitor

E/D

Vcc

.098 (2.5 ± 0.1)

.039 (1.0)

MAX

.043 (1.1)

.036 (0.9)

Mar 2006

(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com

Pl tronics, Inc.

中文翻译

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与SM4444TS-40.0M相关器件

型号	品牌	获取价格	描述	数据表
SM4444TV	PLETRONICS	获取价格	SM44T Series 3.3 V CMOS Clock Oscillators
SM4444TV-0.8M	PLETRONICS	获取价格	CMOS Output Clock Oscillator, 0.8MHz Min, 180MHz Max, 0.8MHz Nom, ROHS COMPLIANT, CERAMIC,
SM4444TV-180.0M	PLETRONICS	获取价格	CMOS Output Clock Oscillator, 0.8MHz Min, 180MHz Max, 180MHz Nom, ROHS COMPLIANT, CERAMIC,
SM4444TV-75.0M	PLETRONICS	获取价格	CMOS Output Clock Oscillator, 75MHz Nom, ROHS COMPLIANT, CERAMIC, LCC-4
SM4444TV-75.0M-T250	PLETRONICS	获取价格	CMOS Output Clock Oscillator, 75MHz Nom, ROHS COMPLIANT, CERAMIC, LCC-4
SM4444TW	PLETRONICS	获取价格	SM44T Series 2.5 V CMOS Clock Oscillators
SM4444TW-180.0M-T500	PLETRONICS	获取价格	CMOS Output Clock Oscillator, 180MHz Nom, ROHS COMPLIANT, CERAMIC, LCC-4
SM4444TW-75.0M	PLETRONICS	获取价格	CMOS Output Clock Oscillator, 75MHz Nom, ROHS COMPLIANT, CERAMIC, LCC-4
SM4444TW-FREQ-T1K	PLETRONICS	获取价格	CMOS Output Clock Oscillator, 0.8MHz Min, 180MHz Max, ROHS COMPLIANT, CERAMIC, LCC-4
SM4444TW-FREQ-T250	PLETRONICS	获取价格	CMOS Output Clock Oscillator, 0.8MHz Min, 180MHz Max, ROHS COMPLIANT, CERAMIC, LCC-4

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