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M685 Datasheet(PDF) 2 Page - Integrated Circuit Systems

Part No. M685
Description  DUAL SAW, SELECTABLE FREQUENCY VCSO
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Maker  ICST [Integrated Circuit Systems]
Homepage  http://www.icst.com
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M685 Datasheet(HTML) 2 Page - Integrated Circuit Systems

   
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M685 Datasheet Rev 0.4
2 of 7
Revised 16Nov2004
I n te g r at ed Ci rcui t Systems , In c. ● N e tw o r ki ng & Co mmun ica t io ns ● ww w. icst.co m ● tel (5 08 ) 85 2-5 4 0 0
Integrated
Circuit
Systems, Inc.
M685
DUAL SAW, SELECTABLE FREQUENCY VCSO
Preliminar y In f o r m atio n
PIN DESCRIPTIONS
Number
Name
I/O
Configuration
Description
1VIN
Input
Frequency control input.
2
F_SEL
Input
Internal pull-down resistor1
Frequency select:
Logic 1 selects Frequency 2.
Logic 0 selects Frequency 1.
3GND
Ground
Power supply ground connection.
4
5
FOUT
nFOUT
Output
No internal terminator
Clock output pair. Differential LVPECL.
6VCC
Power
Power supply connection, connect to +3.3V.
Table 2: Pin Descriptions
Note 1: See “Frequency Select” in Table 5 (DC Characteristics for M685-01 on pg. 3) and Table 7 (DC Characteristics for M685-02 on pg. 4).
ABSOLUTE MAXIMUM RATINGS1
Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the
device. These ratings are stress specifications only. Functional operation of product at these conditions
or any conditions beyond those listed in Recommended Conditions of Operation, DC Characteristics, or
AC Characteristics is not implied. Exposure to absolute maximum rating conditions for extended periods
may affect product reliability.
Symbol Parameter
Rating
Unit
V
I
Inputs
-0.5 to V
CC +0.5
V
V
O
Outputs
-0.5 to V
CC +0.5
V
V
CC
Power Supply Voltage
4.6
V
T
S
Storage Temperature
-55 to +125
oC
Table 3: Absolute Maximum Ratings
RECOMMENDED CONDITIONS OF OPERATION
Symbol Parameter
Min
Typ
Max
Unit
V
CC
Positive Supply Voltage
2.97
3.3
3.63
V
T
A
Ambient Operating Temperature
-40
25
+85
oC
Table 4: Recommended Conditions of Operation


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