CY24210-4 [CYPRESS]

Clock Generator, PDSO8,;


型号：	CY24210-4
厂家：	CYPRESS
描述：	Clock Generator, PDSO8, 光电二极管
文件：	总5页 (文件大小：85K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

CY24210

100-MHz Clock Generator with Spread Spectrum

Features

Benefits

• Integrated phase-locked loop (PLL)

• Low-jitter, high-accuracy outputs

• Spread Spectrum

High-performance PLL tailored for multimedia applications

Meets critical timing requirements in complex system designs

Spread Spectrum outputs for EMI reduction

Enables application compatibility

• 3.3V operation

Part Number Outputs

CY24210

Input Frequency Range

Output Frequencies

14.31818 MHz

Two copies of 100 MHz, 14.31818 MHz

Logic Block Diagram

REF

XIN

OSC

CLK2

CLK1

OUTPUT

DIVIDERS

SPREAD

SPECTRUM

XOUT

VCO

PLL

SSON

VSS

VDD

Spread Spectrum Profiles

Pin Configurations

Part Numbers

CY24210SC-3

CY24210SC-4

CY24210SC-5

CY24210SC-6

CY24210SC-7

Center Spread Percentage

+ 1.875%

CY24210

8-pin SOIC

+ 1.375%

+ 2.375%

XOUT

XIN

CLK1

CLK2

VDD

SSON

VSS

+ 2.875%

+ 3.375%

REF

Pin Description

Pin Name

X_IN

Pin Number

Description

Reference Crystal Input

Voltage Supply

V_DD

SSON

V_SS

Spread Spectrum Control for CLK1, CLK2, 0 = SS off, 1 = SS on, Internal Pull-up Resistor

Ground

REF

Buffered Reference Clock Output

CLK2

CLK1

100-MHz Clock Output with Spread Spectrum

Reference Crystal Output

[1]

X_OUT

Note:

1. Float X_OUTif X_INis externally driven.

Cypress Semiconductor Corporation

•

3901 North First Street

•

San Jose

•

CA 95134

•

408-943-2600

Document #: 38-07361 Rev. **

Revised March 27, 2002

CY24210

Absolute Maximum Conditions

Parameter

Description

Min.

–0.5

–65

Max.

7.0

Unit

Supply Voltage

T_S

T_J

Storage Temperature^[2]

Junction Temperature

Digital Inputs

125

°C

125

V_SS– 0.3

VDD + 0.3

Digital Outputs referred to V_DD

Electrostatic Discharge

Recommended Operating Conditions

Parameter

VDD

Description

Min.

3.14

Typ.

Max.

Unit

Operating Voltage

3.3

3.47

T_A

Ambient Temperature

Max. Load Capacitance

Reference Frequency

°C

C_LOAD

f_REF

14.31818

MHz

DC Electrical Characteristics

Parameter

I_OH

Description

Conditions

Min.

Typ.

Max.

Unit

µA

Output High Current

Output Low Current

Input High Current

Input Low Current

Input High Voltage

Input Low Voltage

Input Capacitance

Supply Current

V_OH= V_DD– 0.5, V_DD= 3.3 V

V_OL= 0.5, V_DD= 3.3 V

V_IH= V_DD

I_OL

I_IH

I_IL

V_IL= 0V

µA

V_IH

CMOS levels, 70% of V_DD

CMOS levels, 30% of V_DD

0.7

V_DD

V_IL

0.3

C_IN

I_DD

Sum of Core and Output Current

150

kΩ

R_UP

Pull-up Resistor on Input Pin

100

AC Electrical Characteristics

Parameter^[3]

Description

Output Duty Cycle

Conditions

Min.

Typ.

Max.

Unit

t₃

Duty Cycle is Defined in Figure 1, 50% of V_DD

1.4

Rising Edge Slew Rate Output Clock Rise Time, 20%–80% of V_DD

Falling Edge Slew Rate Output Clock Fall Time, 80%–20% of V_DD

Output to Output skew CLK1 + CLK2 Equally Loaded

0.8

V/ns

t₄

t₅

200

300

t₉

Clock Jitter

Peak to Peak Period Jitter with Spread Off

t₁₀

PLL Lock Time

Note:

2. Rated for 10 years.

3. Not 100% tested.

Document #: 38-07361 Rev. **

Page 2 of 5

CY24210

Test Circuit

V_DD

CLK

0.1 µF

C_LOAD

OUTPUTS

GND

50%

CLK

Figure 1. Duty Cycle Definition; DC = t2/t1

80%

20%

CLK

Figure 2. Rise and Fall Time Definitions

Ordering Information

Ordering Code

CY24210-3

Package Name

Package Type

8-pin SOIC

Operating Range

Commercial

Operating Voltage

3.3V

CY24210-4

8-pin SOIC

Commercial

3.3V

CY24210-5

Commercial

CY24210-6

Commercial

CY24210-7

Commercial

Document #: 38-07361 Rev. **

Page 3 of 5

CY24210

Package Diagram

8-lead (150-Mil) SOIC S8

51-85066-A

All product and company names mentioned in this document may be the trademarks of their respective holders.

Document #: 38-07361 Rev. **

Page 4 of 5

of any circuitry other than circuitry embodied in a Cypress Semiconductor product. Nor does it convey or imply any license under patent or other rights. Cypress Semiconductor does not authorize

its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress

Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges.

CY24210

Document Title: CY24210 100-MHz Clock Generator with Spread Spectrum

Document Number: 38-07361

Issue

Date

Orig. of

Change

REV.

ECN NO.

Description of Change

112458

04/04/02

CKN

New Data Sheet

Document #: 38-07361 Rev. **

Page 5 of 5

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