ETC CG6233AS

CG6233AS
MPEG Clock Generator with VCXO
Features
Benefits
• Integrated phase-locked loop (PLL)
• Highest-performance PLL tailored for multimedia applications
• Low-jitter, high-accuracy outputs
• Meets critical timing requirements in complex system
designs
• VCXO with analog adjust
• 3.3V operation
• Application compatibility for a wide variety of designs
• Lower drive strength settings
• Electromagnetic interference (EMI) reduction for standards
compliance
Frequency Table
Part
Number
Outputs
CG6233AS
1
Input Frequency Range
Output
Frequencies
VCXO Control
Curve
13.5-MHz pullable crystal input One copy of 27 MHz linear
per Cypress specification
Other Features
Pinout compatible with MK3727
Block Diagram
13.5 XIN
OSC
PLL
OUTPUT
DIVIDER
XOUT
VCXO
VDD
27 MHz
VSS
Pin Configuration
CG6233AS
8-pin SOIC
XIN
1
8
XOUT
VDD
VCXO
2
7
NC or VSS
3
6
NC or VDD
VSS
4
5
27 MHz
Cypress Semiconductor Corporation
Document #: 38-07625 Rev. *A
•
3901 North First Street
•
San Jose, CA 95134
•
408-943-2600
Revised January 15, 2004
CG6233AS
Pin Description
Name
Pin Number
Description
XIN
1
Reference crystal input
VDD
2
Voltage supply
VCXO
3
Input analog control for VCXO
VSS
4
Ground
27 MHz
5
27-MHz clock output
NC/VDD
6
No connect or voltage supply
NC/VSS
7
No connect or ground
XOUT
8
Reference crystal output
Document #: 38-07625 Rev. *A
Page 2 of 6
CG6233AS
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.
Typ.
Max.
Unit
Parallel resonance, fundamental mode,
AT cut
–
13.5
–
MHz
Nominal load capacitance
–
14
–
pF
FNOM
Nominal crystal frequency
CLNOM
R1
Equivalent series resistance (ESR) Fundamental mode
–
–
25
Ω
R3/R1
Ratio of third overtone mode ESR Ratio used because typical R1 values
to fundamental mode ESR
are much less than the maximum spec
3
–
–
–
DL
Crystal drive level
No external series resistor assumed
–
–
150
µW
F3SEPHI
Third overtone separation from
3*FNOM
High side
300
–
–
ppm
F3SEPLO
Third overtone separation from
3*FNOM
Low side
–
–
–150
ppm
C0
Crystal shunt capacitance
–
–
7
pF
C0/C1
Ratio of shunt to motional capacitance
180
–
250
–
C1
Crystal motional capacitance
14.4
18
21.6
fF
Min.
Typ.
Max.
Unit
3.135
3.3
3.465
V
0
–
70
°C
Recommended Operating Conditions
Parameter
Description
VDD
Operating Voltage
TA
Ambient Temperature
CLOAD
Max. Load Capacitance
tPU
Power-up time for all VDD pins to reach minimum specified voltage
(power ramps must be monotonic)
–
–
15
pF
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
Supply Current
–75/175
–
–
ppm
–
30
35
mA
AC Electrical Specifications (VDD = 3.3V) [3]
Parameter[3]
Name
Description
Min.
Typ.
Max.
Unit
DC
Output Duty Cycle
Duty Cycle is defined in Figure 1, 50% of VDD
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
Notes:
1. Crystals that meet this specification includes: Ecliptek ECX-5788-13.500M,Siward XTL001050A-13.5-14-400, Raltron A-13.500-14-CL,PDI HA13500XFSA14XC.
2. –75/+175 ppm assumes 2.5pF of additional board level load capacitance. This range will be shifted down with less board capacitance or shifted up with more
board capacitance.
3. Not 100% tested.
Document #: 38-07625 Rev. *A
Page 3 of 6
CG6233AS
AC Electrical Specifications (VDD = 3.3V) (continued)[3]
Parameter[3]
Description
Min.
Typ.
Max.
Unit
EF
Falling Edge Rate
Name
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
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
t3
t4
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
CG6233AS
S8
8-pin SOIC
Commercial
3.3V
Linear VCXO control curve
CG6233AST
S8
8-pin SOIC - Tape and Reel Commercial
3.3V
Linear VCXO control curve
Document #: 38-07625 Rev. *A
Page 4 of 6
CG6233AS
Package Drawing and Dimensions
8-lead (150-Mil) SOIC S8
8 Lead (150 Mil) SOIC - S08
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 #: 38-07625 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.
CG6233AS
Document History Page
Document Title: CG6233AS MPEG Clock Generator with VCXO
Document Number: 38-07625
Issue Date
Orig. of
Change
REV.
ECN NO.
**
131683
01/09/04
RGL
New Data Sheet
*A
132863
01/15/04
RGL
Minor Change: Post to external website
Document #: 38-07625 Rev. *A
Description of Change
Page 6 of 6