ETC CY2410

CY2410
MPEG Clock Generator with VCXO
Features
• Application compatibility for a wide variety of designs
• Enables design compatibility
• Integrated phase-locked loop (PLL)
• Advanced Features
• Low-jitter, high-accuracy outputs
• Serial programming interface (CY2410-3 only)
• VCXO with analog adjust
• Lower drive strength settings (CY2410-4, -6)
• 3.3V operation
• Matches nonlinear MK3727A VCXO control curve (-5, -6)
• Compatible with MK3727 (–1, –4, –5, –6, –7)
• Matches nonlinear MK3727C VCXO control curve (-7)
Benefits
Benefits
• Highest-performance PLL tailored for multimedia applications
• Digital VCXO control
• Meets critical timing requirements in complex system
designs
• Electromagnetic interference (EMI) reduction for standards
compliance
• Large ±150-ppm range, better linearity
• Second source for existing designs
Part
Number
Outputs
Output
Frequencies
CY2410–1
1
13.5-MHz pullable crystal input per 1 copy of 27 MHz linear
Cypress specification
Compatible with MK3727
CY2410–3
1
13.5-MHz pullable crystal input per 1 copy of 27 MHz linear
Cypress specification
Serial programming interface
CY2410–4
1
13.5-MHz pullable crystal input per 1 copy of 27 MHz linear
Cypress specification
Same as CY2410–1 except
lower drive strength settings
CY2410–5
1
13.5-MHz pullable crystal input per 1 copy of 27 MHz nonlinear
Cypress specification
Matches MK3727A nonlinear
VCXO Control Curve
CY2410–6
1
13.5-MHz pullable crystal input per 1 copy of 27 MHz nonlinear
Cypress specification
Same as CY2410–5 except
lower drive strength
CY2410–7
1
13.5-MHz pullable crystal input per 1 copy of 27 MHz nonlinear
Cypress specification
Matches MK3727C nonlinear
VCXO control curve
Input Frequency Range
CY2410–1,–4,–5,–6,–7 Logic Block Diagram
VCXO Control
Curve
CY2410–3 Logic Block Diagram
13.5 XIN
OSC
Q
XOUT
OSC
Q
OUTPUT
DIVIDERS
Φ
VCO
VCO
27 MHz
27 MHz
P
PLL
P
VCXO
OUTPUT
DIVIDERS
Φ
XOUT
13.5 XIN
Other Features
PLL
SCLK
VDD
VSS
SDAT
Digital VCXO
Serial
Programming
Interface
VDD
VSS
Pin Configurations
CY2410–3
CY2410–1,–4,–5,–6,–7
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 #: 38-07317 Rev. *D
•
3901 North First Street
8-pin SOIC
XIN
1
8
XOUT
VDD
SDAT
2
7
3
6
NC or VSS
27 MHz
VSS
4
5
SCLK
•
San Jose, CA 95134
•
408-943-2600
Revised December 11, 2003
CY2410
Pin Descriptions for CY2410–1, –4, –5, –6, –7
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[1]
8
Reference crystal output
Pin Description for CY2410–3
Name
Pin Number
Description
XIN
1
Reference crystal input
VDD
2
Voltage supply
SDAT
3
Serial data input for DCXO control
VSS
4
Ground
SCLK
5
Serial clock input for DCXO control
27 MHz
6
27-MHz clock output
NC/VSS
7
No Connect or ground
[1]
8
Reference crystal output
XOUT
Pullable Crystal Specifications[2]
Parameter
Description
Condition
Parallel resonance, fundamental mode, AT cut
Min.
Typ.
Max.
Unit
–
13.5
–
MHz
–
14
–
pF
–
–
25
Ω
3
–
–
0.5
2.0
mW
–
–
ppm
–
–150
ppm
pF
FNOM
Nominal crystal frequency
CLNOM
Nominal load capacitance
R1
Equivalent series resistance (ESR)
R3/R1
Ratio of third overtone mode ESR to fundamen- Ratio used because typical
tal mode ESR
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
300
F3SEPLO
Third overtone separation from 3*FNOM
Low side
–
Fundamental mode
C0
Crystal shunt capacitance
–
–
7
C0/C1
Ratio of shunt to motional capacitance
180
–
250
C1
Crystal motional capacitance
14.4
18
21.6
pF
Notes:
1. Float XOUT if XIN is externally driven.
2. 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 #: 38-07317 Rev. *D
Page 2 of 7
CY2410
Serial Programmable Interface Protocol
The CY2410-3 utilizes a two-wire-interface SDAT and SCLK
that operates up to 400 kbits/sec in Read or Write mode. The
basic Write serial format is as follows: start bit; 7-bit device
address (DA); R/W bit; slave clock acknowledge (ACK); 8-bit
memory address (MA); ACK; 8-bit data; ACK; 8-bit data in
MA+1 if desired; ACK; 8-bit data in MA+2; ACK; etc. until stop
bit, as illustrated in Figure 1.
1-bit
1-bit Slave
R/W = 0 ACK
SDA Write
7-bit
Device
Address
1-bit
Slave
ACK
1-bit
Slave
ACK
8-bit
8-bit
Register Register
Data
Address
Start Signal
Data Valid
SDAT
tDH
SCLK
tSU
CLKHIGH
VIH
CLKLOW
VIL
Stop Signal
Transition
to next bit
Figure 2. Data Valid and Data Transition Periods
Figure 1. Data Frame Architecture
Data Valid
Data is valid when the clock is HIGH, and may only be transitioned when the clock is low as illustrated in Figure 2.
SDAT
SCLK
Data Frame
Every new data frame is indicated by a start and stop
sequence, as illustrated in Figure 3.
Start Sequence
A start frame is indicated by SDAT going LOW when SCLK is
HIGH. Every time a start signal is given, the next 8-bit data
must be the device address (7 bits) and a R/W bit (0 for Write),
followed by register address (8 bits) and register data (8 bits).
See Figure 3.
Transition
to next bit
START
Figure 3. Start and Stop Frame
t1
t2
CLK
50%
50%
Stop Sequence
A stop frame is indicated by SDAT going HIGH when SCLK is
HIGH. A stop frame frees the bus for writing to another part on
the same bus or writing to another random register
address. See Figure 3.
Figure 4. Duty Cycle Definition; DC = t2/t1
Device Address
t4
t3
Acknowledge Pulse
During Write mode, the CY2410-3 will respond with an ACK
pulse after every 8 bits. This is accomplished by pulling the
SDAT line LOW during the next clock cycle after the eighth bit
is shifted in.
STOP
80%
CLK
20%
Figure 5. Rise and Fall Time Definitions: ER = 0.6 x
VDD / t3, EF = 0.6 x VDD / t4
The 7-bit device address is 1101001.
Register Address
The 8-bit address for the VCXO register is 00010011.
Register Data
The register data can be any value between 00H–FFH. As you
increase the value, the capacitance on the XIN and XOUT pins
will increase, thereby decreasing the xtal frequency.
Document #: 38-07317 Rev. *D
Page 3 of 7
CY2410
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
V
Electrostatic Discharge
2000
V
Recommended Operating Conditions
Parameter
Description
Min.
Typ.
Max.
Unit
3.135
3.3
3.465
V
0
–
70
°C
VDD
Operating Voltage
TA
Ambient Temperature
CLOAD
Max. Load Capacitance
–
–
15
pF
fREF
Reference Frequency
–
13.5
–
MHz
tPU
Power up time for VDD to reach minimum specified voltage
(power ramp must be monotonic)
0.05
–
500
ms
DC Electrical Specifications
Parameter
Name
Description
Min.
Typ.
Max.
Unit
IOH
Output HIGH Current –1,3,5,7
VOH = VDD – 0.5, VDD = 3.3V
12
24
–
mA
IOL
Output LOW Current –1,3,5,7
VOL = 0.5, VDD = 3.3V
12
24
–
mA
IOH
Output HIGH Current –4,6
VOH = VDD – 0.5, VDD = 3.3V
6
18
–
mA
IOL
Output LOW Current –4,6
VOL = 0.5, VDD = 3.3V
6
18
–
mA
CIN
Input Capacitance
–
–
7
pF
IIZ
Input Leakage Current
–
5
–
µA
f∆XO
VCXO pullability range:–1,–3,–4,–5,–6
+150
–
–
ppm
VCXO pullability range:–7
+115
–
–
ppm
VVCXO
VCXO input range
0
–
VDD
V
IVDD
Supply Current
–
30
35
mA
AC Electrical Specifications (VDD = 3.3V)[4]
Parameter[4]
Min.
Typ.
Max.
Unit
DC
Output Duty Cycle
Name
Duty Cycle is defined in Figure 4, 50% of VDD
Description
45
50
55
%
EROR
Rising Edge Rate –1, –3, –5, –7 Output Clock Edge Rate, Measured from 20%
to 80% of VDD, CLOAD = 15 pF See Figure 5.
0.8
1.4
–
V/ns
EROF
Falling Edge Rate –1, –3, –5, –7 Output Clock Edge Rate, Measured from 80%
to 20% of VDD, CLOAD = 15 pF See Figure 5.
0.8
1.4
–
V/ns
EROR
Rising Edge Rate –4, –6
Output Clock Edge Rate, Measured from 20%
to 80% of VDD, CLOAD = 15 pF See Figure 5.
0.7
1.1
–
V/ns
EROF
Falling Edge Rate –4, –6
Output Clock Edge Rate, Measured from 80%
to 20% of VDD, CLOAD = 15 pF See Figure 5.
0.7
1.1
–
V/ns
t9
Clock Jitter –1, –3, –5, –7
Peak-to-peak period jitter
–
140
–
ps
t9
Clock Jitter –4, –6
Peak-to-peak period jitter
–
150
–
ps
t10
PLL Lock Time
–
–
3
ms
Notes:
3. Rated for ten years.
4. Not 100% tested.
Document #: 38-07317 Rev. *D
Page 4 of 7
CY2410
Serial Programming Interface Timing Specifications
Parameter
fSCL
Description
Min.
Frequency of SCLK
Max.
Unit
400
kHz
Start mode time from SDAT LOW to SCLK LOW
0.6
µS
CLKLOW
SCLK LOW period
1.3
µS
CLKHIGH
SCLK HIGH period
0.6
µS
tSU
Data transition to SCLK HIGH
100
ns
tDH
Data hold (SCLK LOW to data transition)
0
ns
Rise time of SCLK and SDAT
300
ns
Fall time of SCLK and SDAT
300
ns
Stop mode time from SCLK HIGH to SDA HIGH
0.6
µs
Stop mode to start mode
1.3
µs
Test and Measurement Set-up
VDD
CLK out
0.1 µF
OUTPUTS
CLOAD
GND
Ordering Information
Ordering Code
Package Type
Operating
Range
Operating
Voltage
Features
CY2410SC–1
8-pin SOIC
Commercial
3.3V
Linear VCXO control curve
CY2410SC–1T
8-pin SOIC - Tape and Reel
Commercial
3.3V
Linear VCXO control curve
CY2410SC–3
8-pin SOIC
Commercial
3.3V
Digital VCXO control
CY2410SC–3T
8-pin SOIC - Tape and Reel
Commercial
3.3V
Digital VCXO control
CY2410SC–4
8-pin SOIC
Commercial
3.3V
Lower drive strength (reduced EMI)
CY2410SC–4T
8-pin SOIC - Tape and Reel
Commercial
3.3V
Lower drive strength (reduced EMI)
CY2410SC–5
8-pin SOIC
Commercial
3.3V
Matches nonlinear MK3727A VCXO control
curve
CY2410SC–5T
8-pin SOIC - Tape and Reel
Commercial
3.3V
Matches nonlinear MK3727A VCXO control
curve
CY2410SC–6
8-pin SOIC
Commercial
3.3V
Lower drive strength version of CY2410–5
CY2410SC–6T
8-pin SOIC - Tape and Reel
Commercial
3.3V
Lower drive strength version of CY2410–5
CY2410SC–7
8-pin SOIC
Commercial
3.3V
Matches MK3727C nonlinear VCXO control
curve
CY2410SC–7T
8-pin SOIC - Tape and Reel
Commercial
3.3V
Matches MK3727C nonlinear VCXO control
curve
Document #: 38-07317 Rev. *D
Page 5 of 7
CY2410
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 and company names mentioned in this document are the trademarks of their respective holders.
Document #: 38-07317 Rev. *D
Page 6 of 7
© 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.
CY2410
Document History Page
Document Title: CY2410 MPEG Clock Generator with VCXO
Document Number: 38-07317
REV.
ECN NO.
Issue Date
Orig. of
Change
Description of Change
**
111553
02/12/02
CKN
New Data Sheet
*A
114937
09/24/02
CKN
Added -6 to data sheet, Advance Information to Final
*B
121418
12/06/02
CKN
Updated the Pullable Crystal Specifications table on page 2
*C
126905
06/17/03
RGL
Added -7 part to data sheet
Added new parameter on the Pullable Crystal table
Power-up requirements added to the operating conditions
*D
131100
01/20/03
RGL
Added VCXO –7 pullability range in the DC Specs with min. value of ±115ppm
Document #: 38-07317 Rev. *D
Page 7 of 7