VT73127

Preliminary

2001-08-06

Page

2

MDST-0012-02

www.vaishali.com

Vaishali Semiconductor

747 Camden Avenue, Suite C

Campbell

CA 95008

Ph. 408.377.6060

Fax 408.377.6063

Figure 2. Pad Configuration

Table 1. Pad Description

Name

Pad

Type

Description

X1

1

Xi

Crystal connection. Connect to a 27 MHz pullable crystal

VDD1

2

P

VIN

3

I

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

GND

4

P

Connect to ground.

CLK

5

O

Clock output

OE

6

I

Active HIGH output enable. When LOW, the output is held in a tri-state condition

VDD2

7

P

GND

8

P

Connect to ground.

X2

9

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

3.0

3.3

3.6

V

2.5

V

0.4

V

Operating Temperature

0

70

°C

Input crystal accuracy

±30

ppm

GND

VIN

VDD1

X1

X2

VDD2

GND

VT73127/D

OE

CLK

1

2

3

4

5

7

8

9

6