ETC CY24210

CY24210
100-MHz Clock Generator with Spread Spectrum
Features
Benefits
• Integrated phase-locked loop (PLL)
High-performance PLL tailored for multimedia applications
• Low-jitter, high-accuracy outputs
Meets critical timing requirements in complex system designs
• Spread Spectrum
Spread Spectrum outputs for EMI reduction
• 3.3V operation
Enables application compatibility
Part Number
Outputs
Input Frequency Range
CY24210
3
14.31818 MHz
Output Frequencies
Two copies of 100 MHz, 14.31818 MHz
Logic Block Diagram
REF
XIN
OSC
Q
XOUT
Φ
SPREAD
SPECTRUM
VCO
CLK2
OUTPUT
DIVIDERS
CLK1
P
PLL
SSON
VDD
VSS
Spread Spectrum Profiles
Pin Configuration
CY24210
8-pin SOIC
XIN
1
8
XOUT
VDD
SSON
2
7
3
6
CLK1
CLK2
VSS
4
5
REF
Cypress Semiconductor Corporation
Document #: 38-07361 Rev. *A
•
3901 North First Street
Part Numbers
Center Spread Percentage
CY24210SC-3
+ 1.875%
CY24210SC-4
+ 1.375%
CY24210SC-5
+ 2.375%
CY24210SC-6
+ 2.875%
CY24210SC-7
+ 3.375%
•
San Jose, CA 95134
•
408-943-2600
Revised December 5, 2002
CY24210
Pin Description
Pin Name
Pin Number
Description
XIN
1
Reference Crystal Input
VDD
2
Voltage Supply
SSON
3
Spread Spectrum Control for CLK1, CLK2, 0 = SS off, 1 = SS on, Internal Pull-up Resistor
VSS
4
Ground
REF
5
Buffered Reference Clock Output
CLK2
6
100-MHz Clock Output with Spread Spectrum
CLK1
7
100-MHz Clock Output with Spread Spectrum
8
Reference Crystal Output
XOUT
[1]
Absolute Maximum Conditions
Parameter
Description
Min.
Max.
Unit
V
Supply Voltage
–0.5
7.0
V
TS
Storage Temperature[2]
–65
125
°C
125
°C
Digital Inputs
VSS – 0.3
VDD + 0.3
V
Digital Outputs referred to VDD
VSS – 0.3
VDD + 0.3
Junction Temperature
TJ
Electrostatic Discharge
V
2
kV
Recommended Operating Conditions
Parameter
Description
VDD
Operating Voltage
TA
Ambient Temperature
CLOAD
Max. Load Capacitance
fREF
Reference Frequency
Min.
Typ.
Max.
3.14
3.3
3.47
V
70
°C
0
Unit
15
pF
14.31818
MHz
DC Electrical Specifications
Parameter
Description
Min.
Typ.
VOH = VDD – 0.5, VDD = 3.3 V
12
24
mA
Output Low Current
VOL = 0.5, VDD = 3.3 V
12
24
mA
Input High Current
VIH = VDD
5
µA
IIL
Input Low Current
VIL = 0V
VIH
Input High Voltage
CMOS levels, 70% of VDD
VIL
Input Low Voltage
CMOS levels, 30% of VDD
CIN
Input Capacitance
IOH
Output High Current
IOL
IIH
IDD
Supply Current
RUP
Pull-up Resistor on Input Pin
ZOUT
Output Impedance
Conditions
50
0.7
80
Unit
µA
VDD
Sum of Core and Output Current
CLK1, CLK2, REF outputs
Max.
100
18.4
0.3
VDD
7
pF
35
mA
150
kΩ
Ω
Notes:
1. Float XOUT if XIN is externally driven.
2. Rated for 10 years.
Document #: 38-07361 Rev. *A
Page 2 of 5
CY24210
AC Electrical Specifications
Parameter[3]
Description
Conditions
Min.
Typ.
Max.
Unit
DC
Output Duty Cycle
Duty Cycle is Defined in Figure 1, 50% of VDD
45
50
55
%
t3
Rising Edge Slew Rate
Output Clock Rise Time, 20%–80% of VDD
0.8
1.4
2
V/ns
t4
Falling Edge Slew Rate
Output Clock Fall Time, 80%–20% of VDD
0.8
1.4
2
V/ns
t5
Output to Output Skew
CLK1 + CLK2 Equally Loaded
200
ps
t9
Clock Jitter
Peak to Peak Period Jitter with Spread Off
300
ps
t10
PLL Lock Time
3
ms
Note:
3. Not 100% tested.
Test and Measurement Setup
VDD
CLK
0.1 µF
CLOAD
OUTPUTS
GND
Voltage and Timing Definitions
t1
t2
50%
50%
CLK
Figure 1. Duty Cycle Definition; DC = t2/t1
t3
t4
80%
CLK
20%
Figure 2. Rise and Fall Time Definitions
Document #: 38-07361 Rev. *A
Page 3 of 5
CY24210
Ordering Information
Ordering Code
Package Name
Package Type
Operating Range
Operating Voltage
CY24210SC-3
S8
8-pin SOIC
Commercial
3.3V
CY24210SC-3T
S8
8-pin SOIC - Tape and Reel
Commercial
3.3V
CY24210SC-4
S8
8-pin SOIC
Commercial
3.3V
CY24210SC-4T
S8
8-pin SOIC - Tape and Reel
Commercial
3.3V
CY24210SC-5
S8
8-pin SOIC
Commercial
3.3V
CY24210SC-5T
S8
8-pin SOIC - Tape and Reel
Commercial
3.3V
CY24210SC-6
S8
8-pin SOIC
Commercial
3.3V
CY24210SC-6T
S8
8-pin SOIC - Tape and Reel
Commercial
3.3V
CY24210SC-7
S8
8-pin SOIC
Commercial
3.3V
CY24210SC-7T
S8
8-pin SOIC - Tape and Reel
Commercial
3.3V
Package Drawing and Dimensions
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. *A
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© Cypress Semiconductor Corporation, 2002. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use
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 History Page
Document Title: CY24210 100-MHz Clock Generator with Spread Spectrum
Document Number: 38-07361
ECN NO.
Issue
Date
Orig. of
Change
**
112458
04/04/02
CKN
New Data Sheet
*A
120234
12/05/02
CKN
Pg. 2 added ZOUT row to the DC Electrical Specif. table. Pg. 3 added “SC”
and Tape and Reel to all the dash numbers in the Ordering Information table.
REV.
Document #: 38-07361 Rev. *A
Description of Change
Page 5 of 5