CYPRESS CY2412SC-3T

CY2412
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
• Large ± 150-ppm range, better linearity
• 8-pin SOIC package
• Enables application compatibility
Part Number
Outputs
Input Frequency Range
Output Frequencies
CY2412-1
3
13.5-MHz pullable crystal input per
Cypress specification
Two 27 MHz outputs, one 54 MHz (3.3V) Linear
CY2412-3
3
13.5-MHz pullable crystal input per
Cypress specification
27 MHz, 13.5 MHz, 54 MHz (3.3V)
Logic Block Diagram
VCXO Profile
Pin Configuration
CY2412-1,-3
8-pin SOIC
CLKC
13.5 XIN
XOUT
OSC
Q
Φ
OUTPUT
DIVIDERS
VCO
CLKB
CLKA
P
VCXO
Linear
PLL
VDD
Cypress Semiconductor Corporation
Document #: 38-07227 Rev. *D
•
XIN
1
8
XOUT
VDD
VCXO
2
7
3
6
CLKC
CLKB
VSS
4
5
CLKA
VSS
3901 North First Street
•
San Jose, CA 95134
•
408-943-2600
Revised December 13, 2004
CY2412
Pin Summary
Pin Name
Pin Number
Pin Description
XIN
1
Reference Crystal Input
VDD
2
Voltage Supply
VCXO
3
Input Analog Control for VCXO
VSS
4
Ground
CLKA
5
54-MHz clock output
CLKB
6
13.5-MHz clock output
CLKC
7
27-MHz clock output
XOUT[2]
8
Reference Crystal Output
Pullable Crystal Specifications[1]
Parameter
Description
Condition
Min.
Typ.
–
13.5
–
–
Max. Unit
FNOM
Nominal crystal frequency
CLNOM
Nominal load capacitance
R1
Equivalent series resistance (ESR)
R3/R1
Ratio of third overtone mode ESR to funda- Ratio used because typical R1
mental mode ESR
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
–
250
C1
Crystal motional capacitance
14.4
18
21.6
Parallel resonance, fundamental mode, AT cut
Fundamental mode
–
MHz
14
–
pF
–
25
Ω
3
–
–
–
0.5
2.0
mW
300
–
–
ppm
–
–
–
–
–150 ppm
7
pF
pF
Note:
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.
Document #: 38-07227 Rev. *D
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CY2412
Absolute Maximum Conditions
Parameter
Description
Min.
Max.
Unit
VDD
Supply Voltage
–0.5
7.0
V
TS
Storage Temperature[3]
–65
125
°C
TJ
Junction Temperature
–
125
°C
Digital Inputs
VSS – 0.3
VDD + 0.3
V
Digital Outputs referred to VDD
VSS – 0.3
VDD + 0.3
Electrostatic Discharge
V
2
kV
Recommended Operating Conditions
Parameter
Description
VDD
Operating Voltage
TA
Ambient Temperature
CLOAD
Max. Load Capacitance
fREF
Reference Frequency
tPU
Power-up time for all VDDs to reach
minimum specified voltage (power
ramps must be monotonic)
Min.
Typ.
Max.
Unit
3.14
3.3
3.47
V
0
70
°C
15
pF
13.5
MHz
0.05
500
ms
DC Electrical Characteristics
Parameter
Description
Test Conditions
Min.
Typ.
Max.
Unit
IOH
Output High Current
VOH = VDD – 0.5, VDD = 3.3V
12
24
mA
IOL
Output Low Current
VOL = 0.5, VDD = 3.3V
12
24
mA
CIN
Input Capacitance
IIZ
Input Leakage Current
f∆XO
VCXO pullability range
VVCXO
VCXO input range
fVBW
VCXO input bandwidth
IDD
Supply Current
7
pF
µA
5
+150
ppm
0
VDD
V
DC to 200
Sum of Core and Output Current
kHz
35
mA
AC Electrical Characteristics
Parameter[4]
Min.
Typ.
Max.
Unit
DC
Output Duty Cycle
Description
Duty Cycle is defined in Figure 1, 50% of VDD
Test Conditions
45
50
55
%
ER
Rising Edge Rate
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
t10
PLL Lock Time
100
200
ps
3
ms
Notes:
2. Float XOUT if XIN is externally driven.
3. Rated for ten years.
4. Not 100% tested.
Document #: 38-07227 Rev. *D
Page 3 of 6
CY2412
t1
t2
CLK
50%
50%
Figure 1. Duty Cycle Definition; DC = t2/t1
t3
t4
80%
CLK
20%
Figure 2. Rise and Fall Time Definitions: ER = 0.6 x VDD / t3 , EF = 0.6 x VDD / t4
Test Circuit
VDD
CLK out
0.1 µF
CLOAD
OUTPUTS
GND
Ordering Information
Ordering Code
Package Type
Operating Range
Operating Voltage
CY2412SC-1
8-pin SOIC
Commercial
3.3V
CY2412SC-1T
8-pin SOIC–Tape and Reel
Commercial
3.3V
CY2412SC-3
8-pin SOIC
Commercial
3.3V
CY2412SC-3T
8-pin SOIC–Tape and Reel
Commercial
3.3V
CY2412SXC-1
8-pin SOIC
Commercial
3.3V
CY2412SXC-1T
8-pin SOIC–Tape and Reel
Commercial
3.3V
CY2412SXC-3
8-pin SOIC
Commercial
3.3V
CY2412SXC-3T
8-pin SOIC–Tape and Reel
Commercial
3.3V
Lead-free
Document #: 38-07227 Rev. *D
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CY2412
Package Diagram
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]
51-85066-*C
0.0138[0.350]
0.0192[0.487]
All products and company names mentioned in this document may be the trademarks of their respective holders.
Document #: 38-07227 Rev. *D
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© 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 product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be
used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress 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
products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges.
CY2412
Document History Page
Document Title: CY2412 MPEG Clock Generator with VCXO
Document Number: 38-07227
REV.
ECN NO.
Orig. of
Issue Date Change
Description of Change
**
110492
10/28/01
SZV
Change from Spec number: 38-00898 to 38-07227
*A
112457
03/14/02
CKN
Added CY2412-2 to data sheet
*B
116961
08/06/02
CKN
Removed CY2412-2 from the datasheet. Added CY2412-3 to data sheet
*C
121879
12/14/02
RBI
Power-up requirements added to Operating Conditions Information
*D
299735
See ECN
RGL
Added lead-free for CY2412-1 and CY2412-3 devices
Document #: 38-07227 Rev. *D
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