VT73227

2001-04-02

Page

2

MDST-0006-03

Vaishali Semiconductor

1300 White Oaks Road, Ste. 200

Campbell

CA 95008

Ph. 408.377.6060

Fax 408.377.6063

Figure 2. Pin Configuration

Table 1. Pin Description

Name

Pin #

Type

Description

X1

1

Xi

Crystal connection. Connect to a 27 MHz pullable crystal

VDD1

2

P

VIN

3

I

Voltage input to VCXO. Zero to 3.3V signal controls the frequency of the VCXO.

GND2

4

P

Connect to ground.

CLK

5

O

Clock output

VDD2

6

P

GND1

7

P

Connect to ground.

X2

8

Xi

Crystal connection. Connect to a 27 MHz pullable crystal.

Legend: I = Input

O = Output

P = Power supply connection

Xi = Crystal connections.

Table 2. Absolute Maximum Ratings

Parameter

Conditions

Min

Typ

Max

Units

Referenced to GND

7

V

Inputs and Clock Outputs

Referenced to GND

-0.5

VDD+0.5

V

Soldering Temperature

Max of 10 seconds

260

°C

Storage temperature

-65

150

°C

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These

ratings are stress specifications only and correct functional operation of the device at these or any other conditions

above those listed in the operational sections of the specifications is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect product reliability.

Table 3. Operating Conditions

Parameter

Conditions

Min

Typ

Max

Units

3.15

3.3

3.45

V

2.5

V

0.4

V

Operating Temperature

0

70

°C

Input crystal accuracy

±30

ppm

0

3.3

V

X1

X2

VDD1

VDD2

VIN

GND2

GND1

CLK

VT73227

8 pin (150 mil) SOIC

2

3

4

5

6

7

8

1