Datasheet > SM7644DS-FREQ1-30

SM7644DS-FREQ1-30

更新时间： 2024-11-24 05:51:03

品牌	Logo	应用领域
PLETRONICS		/
页数	文件大小	规格书
1页	41K
描述
CMOS Output Clock Oscillator, 70MHz Min, 79.999MHz Max

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SM7644DS-FREQ1-30 数据手册

Pl tronics, Inc.

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

Manufacturer of High Quality Frequency Control Products

SM7645D Series

4 Pad Leadless Surface Mount Clock Oscillator

CMOS with Enable/ Disable, 3rd Overtone Crystal Used

Low Jitter

–

70.00 MHz 170.00 MHz

Consult factory for higher frequencies

Standard Specifications

Overall Frequency Stability

SM7645D: ± 50 PPM, SM7644D: ± 25 PPM, SM7620D: ± 20 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)

5.0, 3.3, and 2.5 volts available, .01 µF bypass cap recommended, consult factory for 1.8 volts

40/60 to 60/40% is standard, but 45/55% at 50% of Vcc is also available (see Waveform 1)

Logic Levels

Jitter

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

1 pS RMS maximum, from 12 kHz to 20 MHz from carrier

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. Rise and Fall Time

Tr & Tf (nS) w/ 15pF load

Max. Supply Current

Icc (mA) w/ 15pF load

Frequency Range

(MHz)

2.5V, 3.3V

5.0V

2.5V

3.5

2.5

1.5

3.3V, 5.0V

–

70.000 79.999

3.0

1.5

1.0

–

80.000 110.000

–

110.001 119.999

–

120.000 170.000

Part Numbering Guide

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

SM76 45 D Y - 70.0M - 30 - XXX (Internal Code or blank)

Packaging

Tray or

24mm tape

16mm pitch

Non-Std Output Load

Blank = 15 pF max, 30 = 30 pF max

Model

Frequency in MHz

Frequency Stability

45 = ± 50 PPM

44 = ± 25 PPM

20 = ± 20 PPM

Special Specifications (choose all that apply)

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

E: Extended Operating Temperature Range (- 40 to +85 C)

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

V: Supply Voltage of 3.3 volts ± 10%

W: Supply Voltage of 2.5 volts ± 5%

X: Supply Voltage of 1.8 volts ± 5% (Consult factory)

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:

not to scale

inches (mm)

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)

TOP VIEW

0.040 (1.02) 0.040 (1.02)

PIN SIGNAL

E/D

GND

OUT

Vcc

7XYWKZ

FREQ M

PLE SPEC

0.055 0 .145

(1.4) (3.68)

0.059

(1.50)

0.324 (8.23)

0.105 (2.66)

MAX

Mar 2004

0.200 (5.08)

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

TBD

Pl tronics, Inc.

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