CYPRESS CY241V08A-11

CY241V08A-11
MPEG Clock Generator with VCXO
Features
•
•
•
•
Benefits
Integrated phase-locked loop (PLL)
Low-jitter, high-accuracy outputs
VCXO with analog adjust
3.3V operation
• Highest-performance PLL tailored for multimedia applications
• Meets critical timing requirements in complex system
designs
• Application compatibility for a wide variety of designs
Table 1. Frequency Table
Part Number
CY241V08A-11
Outputs
1
Input Frequency Range
Output
Frequencies
VCXO Control
Curve
13.5-MHz pullable crystal input One copy of 54 MHz linear
per Cypress specification
Other Features
Pinout-compatible with
CY2411
Block Diagram
13.5 XIN
PLL
OSC
OUTPUT
DIVIDER
XOUT
VCXO
VDD
54 MHz
VSS
Pin Configuration
CY241V08A-11
8-pin SOIC
XIN
1
8
XOUT
VDD
VCXO
2
7
VSS
3
6
54MHz
VSS
4
5
VDD
Cypress Semiconductor Corporation
Document #: 38-07654 Rev. *A
•
3901 North First Street
•
San Jose, CA 95134
•
408-943-2600
Revised April 22, 2004
CY241V08A-11
Pin Descriptions
Name
Pin Number
Description
XIN
1
Reference crystal input.
VDD
2,5
Voltage supply.
VCXO
3
Input analog control for VCXO.
VSS
4,7
Ground.
54MHz
6
54MHz clock output.
XOUT
8
Reference crystal output.
Document #: 38-07654 Rev. *A
Page 2 of 6
CY241V08A-11
Absolute Maximum Conditions
Data Retention @ Tj = 125°C................................> 10 years
Supply Voltage (VDD) ........................................–0.5 to +7.0V
DC Input Voltage...................................... –0.5V to VDD + 0.5
Storage Temperature (Non-condensing)..... –55°C to +125°C
Junction Temperature ................................ –40°C to +125°C
Package Power Dissipation...................................... 350 mW
ESD (Human Body Model) MIL-STD-883................. > 2000V
(Above which the useful life may be impaired. For user guidelines, not tested.)
Pullable Crystal Specifications[1]
Parameter
Description
Comments
Min.
Parallel resonance, fundamental mode, AT cut
–
13.5
–
–
FNOM
Nominal crystal frequency
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
No external series resistor assumed
Typ. Max. Unit
–
MHz
14
–
pF
–
25
Ω
3
–
–
–
DL
Crystal drive level
150
–
–
µW
F3SEPHI
Third overtone separation from 3*FNOM High side
300
–
–
ppm
F3SEPLO
Third overtone separation from 3*FNOM Low side
–
–
C0
Crystal shunt capacitance
–
–
C0/C1
Ratio of shunt to motional capacitance
180
–
250
–
C1
Crystal motional capacitance
14.4
18
21.6
fF
–150 ppm
7
pF
Recommended Operating Conditions
Parameter
Description
VDD
Operating Voltage
Min.
Typ.
Max.
Unit
3.135
3.3
3.465
V
TA
Ambient Temperature
0
–
70
°C
CLOAD
Max. Load Capacitance
–
–
15
pF
tPU
Power-up time for all VDD pins to reach minimum specified voltage
(power ramps must be monotonic)
0.05
–
500
ms
DC Electrical Specifications
Parameter
Name
Description
Min.
Typ.
Max.
Unit
IOH
Output HIGH Current
VOH = VDD – 0.5V, VDD = 3.3V
12
24
–
mA
IOL
Output LOW Current
VOL = 0.5V, VDD = 3.3V
12
24
–
mA
CIN
Input Capacitance
Except XIN, XOUT pins
–
–
7
pF
VVCXO
VCXO Input Range
0
–
VDD
V
f∆XO
[2]
IVDD
VCXO Pullability Range
Low Side
–
–
–115
ppm
High Side
115
–
–
ppm
–
30
35
mA
Supply Current
AC Electrical Specifications (VDD =
Parameter[3]
Name
3.3V)[3]
Min.
Typ.
Max.
Unit
DC
Output Duty Cycle
Duty Cycle is defined in Figure 1, 50% of VDD
Description
45
50
55
%
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
Peak-to-peak period jitter
–
–
100
ps
t10
PLL Lock Time
–
–
3
ms
Notes:
1. Crystals that meet this specification include: Ecliptek ECX-5788-13.500M,Siward XTL001050A-13.5-14-400, Raltron A-13.500-14-CL,PDI
HA13500XFSA14XC.
2. –115/+115 ppm assumes 2.5pF of additional board level load capacitance. This range will be shifted down with more board capacitance or shifted up with less
board capacitance.
3. Not 100% tested.
Document #: 38-07654 Rev. *A
Page 3 of 6
CY241V08A-11
Test and Measurement Set-up
VDD
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
t4
t3
V
DD
80% of V DD
20% of V DD
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
Features
CY241V08ASC-11
S8
8-pin SOIC
Commercial
3.3V
Linear VCXO control curve
CY241V08ASC-11T
S8
8-pin SOIC – Tape and Reel Commercial
3.3V
Linear VCXO control curve
Document #: 38-07654 Rev. *A
Page 4 of 6
CY241V08A-11
Package Drawing and Dimensions
8 Lead (150 Mil) SOIC S08
8-lead (150-Mil) SOIC S8
PIN 1 ID
4
1
1. DIMENSIONS IN INCHES[MM] MIN.
MAX.
2. PIN 1 ID IS OPTIONAL,
ROUND ON SINGLE LEADFRAME
RECTANGULAR ON MATRIX LEADFRAME
0.150[3.810]
0.157[3.987]
3. REFERENCE JEDEC MS-012
0.230[5.842]
0.244[6.197]
4. PACKAGE WEIGHT 0.07gms
PART #
S08.15 STANDARD PKG.
5
SZ08.15 LEAD FREE PKG.
8
0.189[4.800]
0.196[4.978]
0.010[0.254]
0.016[0.406]
SEATING PLANE
X 45°
0.061[1.549]
0.068[1.727]
0.004[0.102]
0.050[1.270]
BSC
0.004[0.102]
0.0098[0.249]
0°~8°
0.016[0.406]
0.035[0.889]
0.0075[0.190]
0.0098[0.249]
0.0138[0.350]
0.0192[0.487]
51-85066-*C
All product or company names mentioned in this document may be the trademarks of their respective holders.
Document #: 38-07654 Rev. *A
Page 5 of 6
© Cypress Semiconductor Corporation, 2004. 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.
CY241V08A-11
Document History Page
Document Title: CY241V08A-11 MPEG Clock Generator with VCXO
Document Number: 38-07654
REV.
ECN NO.
Issue
Date
Orig. of
Change
**
214071
See ECN
RGL
New Data Sheet
*A
220461
See ECN
RGL
Minor Change: To post on web
Document #: 38-07654 Rev. *A
Description of Change
Page 6 of 6