Preliminary Data Sheet #: SG049

Page 2 of 12

Rev: P01

Date: 11/11/03

Operating Specifications

Table 2

Parameter

Specifications

Notes

Voltage

3.3V ±5%

1.0

Current

100 mA Typical

Oscillator Output Frequencies

20.48 MHz

Temperature Range

0 to 70°C

Input Frequency Ref 1 and Ref 2

10 kHz

2.0

Input Jitter Tolerance

≥ 1µs Typical

(Jitter Frequencies > 10 Hz)

Jitter Bandwidth

< 10 Hz

Typical Acquisition Time Data

Acquisition from a cold power-up:

Phase lock settled:

30 - 60s

Alarm time:

<1.0s Typical

Acquisition from Free Run:

Phase lock settled:

30 - 60s

Alarm time:

<1.0s Typical

Frequency lock with a 20PPM reference frequency step: Typically 0.5s.

Phase lock during a switch between equal frequency references: Typically 0.5s, no alarm should be issued

Capture/Pull-In Range

± 25 ppm Minimum

Output Duty Cycle

40/60 % Min/Max @ 50% Level

Output Rise and Fall Time

3 nS @ 20% to 80% output level

Output Load

30 pF

Alarm

LOR/LOL Status Signal Output

Free Run Accuracy

±20 ppm

Package

Fr4 SM 0.78” x 0.83” x 0.350” (Maximum)

MTIE @ Synchronization Rearrangement

GR-253-CORE, 1999 R5-136

3.0, 4.0

Absolute Maximum Rating

Table 1

Symbol

Parameter

Minimum

Nominal

Maximum

Units

Notes

V

CC

Power Supply Voltage

-0.5

-

+4.0

Volts

V

I

Input Voltage

-0.5

-

+5.5

Volts

T

S

Storage Temperature

-65.0

-

+150.0

°C

Input and Output Characteristics

Table 3

Symbol

Parameter

Minimum

Nominal

Maximum

Units

Notes

V

IH

High level input voltage

2.0

-

5.5

V

V

IL

Low level input voltage

0

-

0.8

V

T

IO

I/O to output valid

-

-

10

nS

C

OUT

Output capacitance

-

-

10

pF

V

HO

High level output voltage loh = -4mA

2.40

-

-

-

Vcc Min

V

IO

Low Level output voltage lo1 = 8mA

-

-

0.4

-

Vcc Max

T

IR

Input reference signal pulse width

30

-

-

nS