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SiT9367

220 MHz to 725 MHz Ultra-low Jitter Differential Oscillator

Description

The

SiT9367

is a 220.000001 MHz to 725 MHz differential

MEMS XO engineered for low-jitter applications. Utilizing

SiTime’s unique DualMEMS

temperature sensing and

TurboCompensation

technology, the SiT9367 delivers

exceptional dynamic performance by providing resistance

to airflow, thermal gradients, shock and vibration. This

device also integrates multiple on-chip regulators to filter

power supply noise, eliminating the need for a dedicated

external LDO.

The SiT9367 can be factory programmed for any

combination of frequency, stability, voltage, and output

signaling. Programmability enables designers to optimize

clock configurations while eliminating long lead times and

customization costs associated with quartz devices

where each frequency is custom built.

The wide frequency range and programmability makes

this device ideal for telecom, networking, and industrial

applications that require a variety of frequencies and

operate in noisy environments.

Refer to

Manufacturing Notes

for proper reflow profile,

tape and reel dimension, and other manufacturing

related information.

Features

◼

Any frequency between 220.000001 MHz and 725 MHz,

accurate to 6 decimal places.

For HCSL output signaling, maximum frequency is

500 MHz.

Contact SiTime

for higher frequency options.

(For additional frequencies, refer to

SiT9366

and

SiT9365

datasheets)

LVPECL, Low-swing LVPECL, LVDS and HCSL output

signaling

0.1ps RMS phase jitter (random) for Ethernet applications

Frequency stability as low ±10 ppm

Wide temperature range from -40°C to 105°C

Contact SiTime

for higher temperature range options

Industry-standard packages: 3.2 x 2.5 mm

, 7.0 x 5.0 mm

and 5.0 x 3.2 mm

package

◼

Applications

◼

100 Gbps Ethernet, SONET, SATA, SAS,

Fibre Channel

Telecom, networking, instrumentation, storage, servers

Block Diagram

Package Pinout

OE/NC

GND

VDD

OUT-

OUT+

Figure 1. SiT9367 Block Diagram

Figure 2. Pin Assignments (Top view)

(Refer to

Table 6

for Pin Descriptions)

Rev 1.71

15 July 2021

www.sitime.com

SiT9367

220 MHz to 725 MHz Ultra-low Jitter Differential Oscillator

Ordering Information

SiT9367AC - 1B2-33E322.265625T

Part Family

“SiT9367”

Packaging

“T”, “Y”, “D” or “E”

Refer to table below for packing method

[1]

Leave Blank for Bulk

Revision Letter

“A” is the revision of Silicon

Frequency

Temperature Range

“C”: Extended Commercial, -20 to 70°C

“I”: Industrial, -40 to 85°C

“B”: -40 to 95°C

“E”: Extended Industrial, -40 to 105°C

220.00001 to 725 MHz for LVDS and

LVPECL output drivers

[2]

220.00001 to 500 MHz for HCSL driver

Feature Pin

“N”: No Connect

“E”: Output Enable

Signalling Type

“1”: LVPECL

“2”: LVDS

“4”: HCSL

“5”: Low-swing LVPECL

Voltage Supply

“25”: 2.5 V ±10%

“28”: 2.8 V ±10%

“30”: 3.0 V ±10%

“33”: 3.3 V ±10%

Package Size

“B”: 3.2 x 2.5 mm

“C”: 5.0 x 3.2 mm with center pad

“E”: 7.0 x 5.0 mm with center pad

Frequency Stability

“F”:

“1”:

“2”:

“3”:

±10 ppm

±20 ppm

±25 ppm

±50 ppm

Notes:

1. Bulk is available for sampling only.

Contact SiTime

for higher frequency HCSL options.

Table 1. Ordering Codes for Supported Tape & Reel Packing Method

Device Size

(mm x mm)

7.0 x 5.0

5.0 x 3.2

3.2 x 2.5

8 mm T&R

(3ku)

—

8 mm T&R

(1ku)

—

12 mm T&R

(3ku)

—

12 mm T&R

(1ku)

—

16 mm T&R

(3ku)

16 mm T&R

(1ku)

Rev 1.71

Page 2 of 16

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SiT9367

220 MHz to 725 MHz Ultra-low Jitter Differential Oscillator

TABLE OF CONTENTS

Description ................................................................................................................................................................................... 1

Features ....................................................................................................................................................................................... 1

Applications .................................................................................................................................................................................. 1

Block Diagram .............................................................................................................................................................................. 1

Package Pinout ............................................................................................................................................................................ 1

Ordering Information .................................................................................................................................................................... 2

Electrical Characteristics .............................................................................................................................................................. 4

Waveform Diagrams..................................................................................................................................................................... 9

Timing Diagrams ........................................................................................................................................................................ 10

Termination Diagrams ................................................................................................................................................................ 11

LVPECL and Low-swing LVPECL ....................................................................................................................................... 11

LVDS................................................................................................................................................................................... 12

HCSL .................................................................................................................................................................................. 12

Dimensions and Patterns ― 3.2 x 2.5 mm

................................................................................................................................ 13

Dimensions and Patterns ― 5.0 x 3.2 mm

................................................................................................................................ 13

Dimensions and Patterns ― 7.0 x 5.0 mm

................................................................................................................................ 14

Additional Information................................................................................................................................................................. 15

Revision History ......................................................................................................................................................................... 16

Rev 1.71

Page 3 of 16

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SiT9367

220 MHz to 725 MHz Ultra-low Jitter Differential Oscillator

Electrical Characteristics

All Min and Max limits in the Electrical Characteristics tables are specified over temperature and rated operating voltage

with standard output termination shown in the termination diagrams. Typical values are at 25°C at nominal supply voltage.

Table 2. Electrical Characteristics – Common to LVPECL, Low-swing LVPECL, LVDS and HCSL

Parameter

Output Frequency Range

Frequency Stability

Symbol

F_stab

Min.

220.000001

-10

-20

-25

-50

First Year Aging

5 Year Aging

10 Year Aging

20 Year Aging

Operating Temperature Range

F_1y

F_5y

F_10y

F_20y

T_use

-0.7

-1.1

-1.3

-1.5

-20

-40

Supply Voltage

Vdd

2.97

2.70

2.52

2.25

Input Voltage High

Input Voltage Low

Input Pull-up Impedance

Duty Cycle

Startup Time

OE Enable/Disable Time

VIH

VIL

Z_in

T_start

T_oe

70%

–

Typ.

–

±0.4

±0.7

±0.8

±1.0

–

3.30

3.00

2.80

2.50

–

100

–

Max.

725

+10

+20

+25

+50

+0.7

+1.1

+1.3

+1.5

+70

+85

+95

+105

3.63

3.30

3.08

2.75

–

30%

3.0

3.8

Unit

MHz

ppm

°C

Vdd

kΩ

µs

Measured from the time Vdd reaches its rated minimum value.

f = 322.265625 MHz. Measured from the time OE pin reaches rated

VIH and VIL to the time clock pins reach 90% of swing and high-Z.

See

Figure 8

and

Figure 9

Pin 1, OE

Pin 1, OE logic high or logic low

Extended Industrial

At 85°C

Extended Commercial

Industrial

Condition

Accurate to 6 decimal places

Inclusive of initial tolerance, operating temperature, rated power

supply voltage and load variations

Frequency Range

Frequency Stability

Temperature Range

Supply Voltage

Input Characteristics

Output Characteristics

Startup and OE Timing

Rev 1.71

Page 4 of 16

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SiT9367

220 MHz to 725 MHz Ultra-low Jitter Differential Oscillator

Table 3. Electrical Characteristics – LVPECL Specific

Parameter

Current Consumption

OE Disable Supply Current

Output Disable Leakage Current

Maximum Output Current

Output High Voltage

Output Low Voltage

Output Differential Voltage Swing

Rise/Fall Time

Output High Voltage

Output Low Voltage

Output Differential Voltage

Swing

Rise/Fall Time

RMS Period

Jitter

[3]

Symbol

Idd

I_OE

I_leak

I_driver

VOH

VOL

V_Swing

Tr, Tf

VOH

VOL

V_Swing

Tr, Tf

T_jitt

T_phj

Min.

–

Vdd-1.15

Vdd-2.0

1.2

–

Typ.

–

0.15

–

1.6

225

Max.

–

Vdd-0.7

Vdd-1.5

2.0

330

Unit

A

Condition

Excluding Load Termination Current, Vdd = 3.3 V or 2.5 V

OE = Low

Maximum average current drawn from OUT+ or OUT-

See

Figure 4

See

Figure 4

See

Figure 5

20% to 80%, see

Figure 5

Current Consumption

Output Characteristics for LVPECL

Output Characteristics for Low-swing LVPECL

–

Vdd-1.2

Vdd-0.75

See

Figure 4

Vdd-1.8

0.4

–

225

1.0

0.220

Vdd-1.25

1.2

1.6

320

1.6

0.270

See

Figure 4

Output frequency 1 to 220 MHz, See

Figure 5

Output frequency greater than 220 MHz, See

Figure 5

20% to 80%. See

Figure 5

f = 100, 156.25 or 212.5 MHz, Vdd = 3.3 V or 2.5 V

f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,

all Vdd levels, includes spurs. Temperature ranges -20 to 70ºC and

-40 to 85ºC.

f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,

all Vdd levels, includes spurs. Temperature ranges -40 to 95ºC and

-40 to 105ºC

f = 322.265625 MHz, IEEE802.3-2005 10GbE jitter mask

integration bandwidth = 1.875 MHz to 20 MHz, Includes spurs, all

Vdd levels

f = 100, 156.25 or 212.5 MHz, Vdd = 3.3 V or 2.5 V

f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,

all Vdd levels, includes spurs. Temperature ranges -20 to 70ºC and

-40 to 85ºC.

f = 322.265625 MHz, Integration bandwidth = 12 kHz to 20 MHz,

all Vdd levels, includes spurs. Temperature ranges -40 to 95ºC and

-40 to 105ºC

f = 322.265625 MHz, IEEE802.3-2005 10GbE jitter mask

integration bandwidth = 1.875 MHz to 20 MHz, Includes spurs, all

Vdd levels

Jitter – 7.0 x 5.0 mm Package

RMS Phase Jitter (random)

–

0.220

0.300

–

0.1

–

Jitter – 5.0 x 3.2 and 3.2 x 2.5 mm Packages

RMS Period Jitter

[3]

RMS Phase Jitter (random)

T_jitt

T_phj

–

1.0

0.225

1.6

0.282

–

0.225

0.315

–

0.1

–

Notes:

3. Measured according to JESD65B.

Rev 1.71

Page 5 of 16

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