Preliminary

ABMX0127

27MHz XO IC with Audio Clock (for Set Top Boxes & MPEG Video)

30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 2

PIN DESCRIPTIONS

Name

Pin #

Type

Description

XIN

1

I

pF) or clock input.

VDD

2

P

Power supply.

GND

3

P

Ground.

27MHz

4

O

27MHz reference output.

ACLK

5

O

Audio clock output (see selection table on page 1).

S1

6

I

Digital control input to select audio frequency.

60k

Ω internal pull-up.

S0

7

I

Digital control input to select audio frequency.

60k

Ω internal pull-up.

XOUT

8

I

Crystal output.

Notes: I – input pin; P – power supply/ground pin.

ELECTRICAL SPECIFICATIONS

1. Absolute Maximum Ratings

PARAMETERS

SYMBOL

MIN.

MAX.

UNITS

Supply Voltage

4.6

V

Input Voltage, dc

-0.5

V

Output Voltage, dc

-0.5

V

Storage Temperature

-65

150

°C

Ambient Operating Temperature*

-40

85

°C

Junction Temperature

125

°C

Lead Temperature (soldering, 10s)

260

°C

ESD Protection, Human Body Model

2

kV

Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the

device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other

conditions above the operational limits noted in this specification is not implied.

* Note: Operating Temperature is guaranteed by design for all parts (COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only.

2. Crystal Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Crystal Resonator Frequency

Parallel Fundamental Mode

27

MHz

Crystal Loading Rating

15

pF

Recommended ESR

AT cut

30

Ω