ETC CY24206

PRELIMINARY
CY24206
MediaClock™ DTV, STB Clock Generator
Features
Benefits
• Integrated phase-locked loop
Internal PLL with up to 400-MHz internal operation
• Low-jitter, high-accuracy outputs
Meets critical timing requirements in complex system designs
• 3.3V operation
Enables application compatibility
Part Number
Outputs
Input Frequency
CY24206-1
3
27 MHz
1 copy 27-MHz reference clock output
1 copy of 81-/81.081-/74.175-/74.250-MHz (frequency selectable)
1 copy of 27-/27.027-/24.725-/24.75-MHz (frequency selectable)
Output Frequency Range
CY24206-2
4
27 MHz
1 copy 27-MHz reference clock output
1 copy of 81-/81.081-/74.175-/74.250-MHz (frequency selectable)
1 copy of 27-/27.027-/24.725-/24.75-MHz (frequency selectable)
1 copy of 27-/27.027-/74.175-/74.25-MHz (frequency selectable)
CY24206-3
4
27 MHz
1 copy 27-MHz reference clock output
1 copy of 81-/81.081-/74.17582-/74.250-MHz (frequency selectable)
1 copy of 27-/27.027-/24.725-/24.75-MHz (frequency selectable)
1 copy of 27-/27.027-/74.175-/74.25-MHz (frequency selectable)
CY24206-4
4
27 MHz
1 copy 27-MHz reference clock output
1 copy of 81-/81.081-/74.17582-/74.250-MHz (frequency selectable)
1 copy of 27-/27.027-/24.725-/24.75-MHz (frequency selectable)
1 copy of 27-/27.027-/74.175-/74.25-MHz (frequency selectable)
Logic Block Diagram
XIN
OSC.
Q
Φ
VCO
XOUT
OUTPUT
MULTIPLEXER
AND
DIVIDERS
P
CLK1
CLK2
PLL
REFCLK
FS0
CLK3 (-2, -3,-4)
FS1
FS2
OE
VDDL
Pin Configurations
CY24206-1
16-pin TSSOP
VDD
AVDD
AVSS
VSS
VSSL
CY24206-2,3,4
16-pin TSSOP
XIN
VDD
1
16
XOUT
16
XOUT
15
2
15
AVDD
3
14
AVDD
3
14
OE
4
13
FS2
FS1
VSS
XIN
VDD
1
2
OE
4
13
FS2
FS1
VSS
AVSS
5
12
N/C
AVSS
5
12
CLK3
VSSL
6
11
VDDL
VSSL
6
11
VDDL
CLK1
CLK2
7
10
CLK1
CLK2
10
9
FS0
REFCLK
7
8
8
9
FS0
REFCLK
Cypress Semiconductor Corporation
Document #: 38-07451 Rev. *A
•
3901 North First Street
•
San Jose, CA 95134
•
408-943-2600
Revised February 27, 2003
CY24206
PRELIMINARY
Frequency Select Options
FS2
FS1
FS0
CLK1 (-1,-2)
CLK1 (-3,-4)
CLK2
CLK3 (-2, -3,-4)
REFCLK
Units
0
0
0
81
81
27 (CLK1/3)
27 (CLK1/3)
27
MHz
0
0
1
81.081
81.081
27.027 (CLK1/3)
27.027 (CLK1/3)
27
MHz
0
1
0
74.175
74.17582
24.725 (CLK1/3)
74.17582 (CLK1)
27
MHz
0
1
1
74.250
74.25
24.75 (CLK1/3)
74.25 (CLK1)
27
MHz
1
0
0
81
81
27
27 (CLK1/3)
27
MHz
1
0
1
81.081
81.081
27
27.027 (CLK1/3)
27
MHz
1
1
0
74.175
74.1758
27
74.175 (CLK1)
27
MHz
1
1
1
74.250
74.25
27
74.25 (CLK1)
27
MHz
Pin Description
Name
Pin Number
Description
XIN
1
Reference Crystal Input.
VDD
2
Voltage Supply.
AVDD
3
Analog Voltage Supply.
OE
4
Output Enable, weak internal pull-up. 0 = outputs off, 1 = outputs on.
AVSS
5
Analog Ground.
VSSL
6
VDDL Ground.
CLK1 (-1,-2)
7
81-/81.081-/74.175-/74.250-MHz Clock Output (frequency selectable).
CLK1 (-3,-4)
7
81-/81.081-/74.17582-/74.25-MHz Clock Output (frequency selectable).
CLK2
8
27-/27.027-/24.725-/24.75-MHz Clock Output (frequency selectable).
REFCLK
9
Reference Clock Output.
FS0
10
Frequency Select 0, weak internal pull-up.
VDDL
11
Voltage Supply.
N/C (-1)
12
No Connect.
CLK3 (-2,-3,-4)
12
27-/27.027-/74.175-/74.25-MHz Clock Output (frequency selectable).
VSS
13
Ground.
FS1
14
Frequency Select 1, weak internal pull-up.
FS2
15
Frequency Select 2, weak internal pull-up.
XOUT
16
Reference Crystal Output.
Absolute Maximum Conditions
Parameter
Description
Min.
Max.
Unit
–0.5
7.0
V
VDD
Supply Voltage
VDDL
I/O Supply Voltage
7.0
V
TJ
Junction Temperature
125
°C
Digital Inputs
AVSS – 0.3
Electro-Static Discharge
AVDD + 0.3
2
V
kV
Recommended Operating Conditions
Parameter
Description
VDD/AVDDL/VDDL
Operating Voltage
TA
Ambient Temperature
CLOAD
Max. Load Capacitance
fREF
Reference Frequency
Document #: 38-07451 Rev. *A
Min.
Typ.
Max.
Unit
3.135
3.3
3.465
V
0
27
70
°C
15
pF
MHz
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CY24206
PRELIMINARY
DC Electrical Specifications
Parameter[1]
Name
Description
Min.
Typ.
Max.
Unit
IOH
Output High Current
VOH = VDD – 0.5, VDD/VDDL = 3.3V
12
24
mA
IOL
Output Low Current
VOL = 0.5, VDD/VDDL = 3.3V
12
24
mA
IIH
Input High Current
VIH = VDD
–
5
10
µA
IIL
Input Low Current
VIL = 0V
–
–
50
µA
VIH
Input High Voltage
CMOS levels, 70% of VDD
VIL
Input Low Voltage
CMOS levels, 30% of VDD
0.3
VDD
IVDD
Supply Current
AVDD/VDD Current
25
mA
IVDDL
Supply Current
VDDL Current
20
mA
RUP
Pull-up resistor on Inputs
VDD = 3.14 to 3.47V, measured VIN = 0V
100
150
kΩ
Min.
Typ.
Max.
Unit
55
%
0.7
VDD
AC Electrical Specifications
Parameter[1]
Name
Description
DC
Output Duty Cycle
Duty Cycle is defined in Figure 1; t1/t2, 50% of
VDD
45
50
ER
Rising Edge Rate
Output Clock Edge Rate, Measured from 20% to
80% of VDD, CLOAD = 15 pF. See Figure 2.
0.8
1.4
V/ns
EF
Falling Edge Rate
Output Clock Edge Rate, Measured from 80% to
20% of VDD, CLOAD = 15 pF. See Figure 2.
0.8
1.4
V/ns
t9
Clock Jitter
CLK1, CLK2 Peak-Peak period jitter
t10
PLL Lock Time
200
ps
3
ms
Test and Measurement Set-up
VDDs
Outputs
0.1 µF
DUT
CLOAD
GND
Voltage and Timing Definitions
t1
t2
VDD
50% of VDD
Clock
Output
0V
Figure 1. Duty Cycle Definitions
Note:
1. Not 100% tested.
Document #: 38-07451 Rev. *A
Page 3 of 5
CY24206
PRELIMINARY
t4
t3
V
DD
80% of V DD
20% of VDD
Clock
Output
0V
Figure 2. ER = (0.6 x VDD) /t3, EF = (0.6 x VDD) /t4
Ordering Information
Ordering Code
Package Name
Package Type
Operating Range
Operating Voltage
CY24206ZC-1
Z16
16-Pin TSSOP
Commercial
3.3V
CY24206ZC-1T
Z16
16-Pin TSSOP – Tape and Reel Commercial
3.3V
CY24206ZC-2
Z16
16-Pin TSSOP
Commercial
3.3V
CY24206ZC-2T
Z16
16-Pin TSSOP – Tape and Reel Commercial
3.3V
CY24206ZC-3
Z16
16-Pin TSSOP
Commercial
3.3V
CY24206ZC-3T
Z16
16-Pin TSSOP – Tape and Reel Commercial
3.3V
CY24206ZC-4
Z16
16-Pin TSSOP
Commercial
3.3V
CY24206ZC-4T
Z16
16-Pin TSSOP – Tape and Reel Commercial
3.3V
Package Drawing and Dimensions
16-Lead Thin Shrunk Small Outline Package (4.40 MM Body) Z16
51-85091-**
MediaClock is a trademark of Cypress Semiconductor Corporation. All product and company names mentioned in this document
may be the trademarks of their respective holders.
Document #: 38-07451 Rev. *A
Page 4 of 5
© Cypress Semiconductor Corporation, 2003. 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.
CY24206
PRELIMINARY
Document History Page
Document Title: CY24206 MediaClock™ DTV, STB Clock Generator
Document Number: 38-07451
REV.
ECN NO.
Issue Date
Orig. of
Change
**
120901
12/10/02
CKN
New Data Sheet
*A
123046
03/03/03
CKN
Added –4 to data sheet
Document #: 38-07451 Rev. *A
Description of Change
Page 5 of 5