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

Preliminar y In f o r m atio n

Number

Name

I/O

Configuration

Description

1VIN

Input

Frequency control input.

2

F_SEL

Input

Frequency select:

3GND

Ground

Power supply ground connection.

4

5

FOUT

nFOUT

Output

No internal terminator

Clock output pair. Differential LVPECL.

6VCC

Power

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).

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

V

V

O

Outputs

V

V

CC

Power Supply Voltage

4.6

V

T

S

Storage Temperature

Table 3: Absolute Maximum Ratings

Symbol Parameter

Min

Typ

Max

Unit

V

CC

Positive Supply Voltage

2.97

3.3

3.63

V

T

A

Ambient Operating Temperature

25

Table 4: Recommended Conditions of Operation