ETC CY24204

CY24204
MediaClock™
DTV, STB Clock Generator
Features
•
•
•
•
Benefits
Integrated phase-locked loop (PLL)
Low jitter, high-accuracy outputs
VCXO with Analog Adjust
3.3V operation
• Internal PLL with up to 400MHz internal operation
• Meets critical timing requirements in complex system
designs
• Large ±150ppm range, better linearity
• Enables application compatibility
Part Number
Outputs
Input Frequency
Output Frequency Range
CY24204-1
3
27-MHz Crystal Input
One copy of 27-MHz reference clock output, two copies of
27/27.027/74.250/74.175 MHz (frequency selectable)
CY24204-2
4
27-MHz Crystal Input
Two copies of 27-MHz reference clock output, two copies of
27/27.027/74.250/74.175 MHz (frequency selectable)
CY24204-3
4
27-MHz Crystal Input
Two copies of 27-MHz reference clock output, two copies of
27/27.027/74.250/74.17582418 MHz (frequency selectable)
CY24204-4
4
27-MHz Crystal Input
Two copies of 27-MHz reference clock output, two copies of
27/27.027/74.250/74.17582418 MHz (frequency selectable,
Increased VCXO pull range)
CY24204-5
4
27-MHz Crystal Input
Two copies of 27-MHz reference clock output, two copies of
27/27.027/74.250/74.17582418 MHz (frequency selectable,
Increased output drive strength)
Pin Configurations
Block Diagram
16-pin TSSOP
OSC.
Q
Φ
VCO
VCXO
OUTPUT
MULTIPLEXER
AND
DIVIDERS
P
CLK1
CLK2
PLL
REFCLK1
REFCLK2
(-2,-3,-4,-5)
FS0
XIN
1
16
XOUT
VDD
2
15
13
OE
FS1
VSS
12
CLK1
AVDD
3
VCXO
4
AVSS
5
VSSL
6
NC
REFCLK1
24204-1
XIN
XOUT
14
11
VDDL
7
10
FS0
8
9
CLK2
16-pin TSSOP
FS1
OE
VDD
Cypress Semiconductor Corporation
Document #: 38-07450 Rev. *A
AVDD
•
AVSS
VSS
VSSL
3901 North First Street
•
1
16
XOUT
2
15
13
OE
FS1
VSS
12
CLK1
AVDD
3
VCXO
4
AVSS
5
VSSL
6
REFCLK2
7
REFCLK1
8
24204-2,3,4,5
VDDL
XIN
VDD
14
11
VDDL
10
FS0
9
CLK2
San Jose, CA 95134
•
408-943-2600
Revised September 8, 2003
CY24204
Frequency Select Options
OE
FS1
FS0
CLK1/CLK2 (-1,-2)[1]
CLK1/CLK2 (-3,-4,-5)[1]
REFCLK 1/2
Unit
0
0
0
off
off
27
MHz
0
0
1
off
off
27
MHz
0
1
0
off
off
27
MHz
0
1
1
off
off
27
MHz
1
0
0
27
27
27
MHz
1
0
1
27.027
27.027
27
MHz
1
1
0
74.250
74.250
27
MHz
1
1
1
74.175
74.17582418
27
MHz
Pin Description
Name
Pin Number
Description
XIN
1
Reference Crystal Input.
VDD
2
Voltage Supply.
AVDD
3
Analog Voltage Supply.
VCXO
4
Input Analog Control for VCXO.
AVSS
5
Analog Ground.
VSSL
6
CLK Ground.
N/C (-1)
7
No Connect.
REFCLK2 (-2,-3,-4,-5)
7
Reference Clock Output.
REFCLK1
8
Reference Clock Output.
CLK1 (-1, -2)
9
27-/27.027-/74.250-/74.175-MHz Clock Output (Frequency Selectable).
CLK1 (-3,-4,-5)
9
27-/27.027-/74.250-/74.17582418-MHz Clock Output (Frequency Selectable).
FS0
10
Frequency Select 0, Weak Internal Pull-up.
VDDL
11
CLK Voltage Supply.
CLK2 (-1, -2)
12
27-/27.027-/74.250-/74.175-MHz Clock Output (Frequency Selectable).
CLK2 (-3,-4,-5)
12
27-/27.027-/74.250-/74.17582418-MHz Clock Output (Frequency Selectable).
VSS
13
Ground.
FS1
14
Frequency Select 1, Weak Internal Pull-up.
OE
15
Output Enable, Weak Internal Pull-up.
XOUT
16
Reference Crystal Output.
Note:
1. “off” = output is driven high.
Document #: 38-07450 Rev. *A
Page 2 of 6
CY24204
Data Retention @ Tj=125°C..................................> 10 years
Absolute Maximum Conditions
Package Power Dissipation...................................... 350 mW
Supply Voltage (VDD, AVDDL, VDDL)..................–0.5 to +7.0V
ESD (Human Body Model) MIL-STD-883.................... 2000V
DC Input Voltage...................................... –0.5V to VDD + 0.5
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature (Non-Condensing) .... –55°C to +125°C
Junction Temperature ................................ –40°C to +125°C
Pullable Crystal Specifications
Parameter
Description
Comments
Min.
FNOM
Nominal crystal frequency
Parallel resonance, fundamental mode, AT
cut
CLNOM
Nominal load capacitance
R1
Equivalent series resistance (ESR)
Fundamental mode
R3/R1
Ratio of third overtone mode ESR to
fundamental mode ESR
Ratio used because typical R1 values are
much less than the maximum spec
DL
Crystal drive level
No external series resistor assumed
F3SEPHI
Third overtone separation from 3*FNOM High side
F3SEPLO
Third overtone separation from 3*FNOM Low side
C0
Crystal shunt capacitance
C0/C1
Ratio of shunt to motional capacitance
180
C1
Crystal motional capacitance
14.4
Typ.
Max.
Unit
27.0
MHz
14
pF
25
Ω
2
mW
3
0.5
300
ppm
–150
ppm
7
pF
250
18
21.6
fF
Recommended Operating Conditions
Parameter
Description
VDD/AVDDL/VDDL
Operating Voltage
TA
Ambient Temperature
CLOAD
Max. Load Capacitance
tPU
Power-up time for all VDD‘s to reach minimum specified
voltage (power ramps must be monotonic)
Min.
Typ.
Max.
Unit
3.135
3.3
3.465
V
0
0.05
70
°C
15
pF
500
ms
DC Electrical Specifications
Parameter[2]
Min.
Typ.
IOH1
Output High Current for
-1,-2,-3,-4
Name
VOH = VDD – 0.5, VDD/VDDL = 3.3V
Description
12
24
Max.
Unit
mA
IOL1
Output Low Current for
-1,-2,-3,-4
VOL = 0.5, VDD/VDDL = 3.3V
12
24
mA
IOH2
Output High Current for -5 VOH = VDD – 0.5, VDD/VDDL = 3.3V
18
26
mA
IOL2
Output Low Current for -5 VOL = 0.5, VDD/VDDL = 3.3V
18
26
VIH
Input High Voltage
CMOS levels, 70% of VDD
0.7
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 (VDDL = 3.47V)
20
mA
CIN
Input Capacitance
7
pF
f∆XO
VCXO pullability range
Nominal pullability for -1,-2,-3,-5
f∆XO
VCXO pullability range
Extended pullability for -4
VVCXO
VCXO input range
RUP
Pull-up resistor on inputs VDD = 3.14 to 3.47V, measured at VIN = 0V
mA
VDD
±150
ppm
±200
0
100
ppm
VDD
V
150
kΩ
Note:
2. Not 100% tested.
Document #: 38-07450 Rev. *A
Page 3 of 6
CY24204
AC Electrical Specifications
Parameter[2]
Description
Min.
Typ.
Max.
Unit
DC
Output Duty Cycle
Name
Duty Cycle is defined in Figure 1; t1/t2, 50% of VDD
45
50
55
%
ER1
Rising Edge Rate for
-1,-2,-3,-4
Output Clock Edge Rate, Measured from 20% to
80% of VDD, CLOAD = 15 pF See Figure 2.
0.8
1.4
V/ns
EF1
Falling Edge Rate for
-1,-2,-3,-4
Output Clock Edge Rate, Measured from 80% to
20% of VDD, CLOAD = 15 pF See Figure 2.
0.8
1.4
V/ns
ER2
Rising Edge Rate for -5
Output Clock Edge Rate, Measured from 20% to
80% of VDD, CLOAD = 15 pF See Figure 2.
1.0
1.8
V/ns
EF2
Falling Edge Rate for -5
Output Clock Edge Rate, Measured from 80% to
20% of VDD, CLOAD = 15 pF See Figure 2.
1.0
1.8
V/ns
t9
Clock Jitter
CLK1, CLK2 Peak-Peak period jitter
t10
PLL Lock Time
120
ps
3
ms
Test and Measurement Set-up
VDDs
Outputs
0.1 µF
CLOAD
DUT
GND
Voltage and Timing Definitions
t1
t2
VDD
50% of VDD
Clock
Output
0V
Figure 1. Duty Cycle Definition
t3
t4
V
DD
80% of V DD
Clock
Output
20% of V DD
0V
Figure 2. ER = (0.6 x VDD) /t3, EF = (0.6 x VDD) /t4
Document #: 38-07450 Rev. *A
Page 4 of 6
CY24204
Ordering Information
Ordering Code
Package Name
Package Type
Operating Range
Operating Voltage
CY24204ZC-1
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-1T
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-2
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-2T
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-3
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-3T
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-4
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-4T
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-5
Z16
16-Pin TSSOP
Commercial
3.3V
CY24204ZC-5T
Z16
16-Pin TSSOP
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. All product and company names mentioned in this document may be the
trademarks of their respective holders.
Document #: 38-07450 Rev. *A
Page 5 of 6
© 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.
CY24204
Document History Page
Document Title: CY24204 MediaClock™ DTV, STB Clock Generator
Document Number: 38-07450
REV.
ECN NO.
Issue Date
Orig. of
Change
**
123842
04/10/03
CKN
*A
128775
09/0803
IJA
Document #: 38-07450 Rev. *A
Description of Change
New Data Sheet
Added -4 and -5 parts
Page 6 of 6