SM1144CS-FREQ1-30 [PLETRONICS]

CMOS Output Clock Oscillator, 1MHz Min, 7.999MHz Max;


型号：	SM1144CS-FREQ1-30
厂家：	PLETRONICS, INC.
描述：	CMOS Output Clock Oscillator, 1MHz Min, 7.999MHz Max 机械振荡器
文件：	总1页 (文件大小：42K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Pl tronics, Inc.

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

Manufacturer of High Quality Frequency Control Products

SM1145C CMOS Series

CMOS with Enable/ Disable

4 Lead Surface Mount Plastic Clock Oscillator

–

1.000 MHz 60.000 MHz

Solder Pad Compatible to our SM11 Series, Epson SG615 & SG8002J

Standard Specifications

Overall Frequency Stability

SM1145C: ± 50 PPM, SM1144C: ± 25 PPM over Operating Temperature Range

Operating Temperature Range 0 to +70 C is standard, extended range not available

Supply Voltage (Vcc)

Symmetry (Duty Cycle)

Logic Levels

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

40/60 to 60/40% is standard, but 45/55% at 50% of Vcc is also available (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”.

Max. Supply Current

Icc (mA) w/ 15pF load

Rise and Fall Time

Frequency Range

(MHz)

Tr & Tf (nS) w/ 15pF load

3.3V

5.0V

Typical

5.5

Maximum

6.5

–

1.000

7.999

–

8.000 23.999

5.5

4.5

2.5

6.5

5.5

3.5

–

24.000 29.999

–

30.000 50.000

–

50.001 60.000

Part Numbering Guide

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

SM11 45 C V - 50.0M - 30 - XXX (Internal Code or blank)

Packaging

Tube or

24mm tape

12mm pitch

Non-Std Output Load

Blank = 15 pF max, 30 = 30 pF max

Frequency in MHz

Model

Frequency Stability

Special Specifications (choose all that apply)

45 = ± 50 PPM

44 = ± 25 PPM

Y: Std Specs (5.0V ± 10%, 0 to +70 C, 40/60% Symmetry)

S: 45/55% Symmetry at 50% of Vcc

V: Supply Voltage of 3.3 volts ± 10%

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

Mechanical: inches (mm)

not to scale

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.

0.200 (5.08)

.185 (4.7) MAX

.551 (14.0) MAX

PIN SIGNAL

0.01m F

bypass

capacitor

E/D

GND

OUT

Vcc

.200 (5.08)

0.055 0.145

(1.4) (3.68)

Jun 2004

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

Pl tronics, Inc.