CYPRESS CY26114

CY26114
One-PLL Clock Generator
Features
Benefits
• Integrated phase-locked loop
Internal PLL with up to 333 MHz internal operation
• Low skew, low jitter, high accuracy outputs
Meets critical timing requirements in complex system designs
• 3.3V Operation with 2.5 V Output Option
Enables application compatibility
Part Number
Outputs
Input Frequency
Output Frequency Range
CY26114
4
25MHz Crystal Input
2 copies of 100MHz, 1 copy of 50MHz,
1 copy 25/33/50/66MHz (frequency selectable)
Logic Block Diagram
XIN
Q
OSC.
Pin Configurations
Φ
VCO
XOUT
OUTPUT
MULTIPLEXER
AND
DIVIDERS
P
100MHz
16-pin TSSOP
100MHz
PLL
50MHz
25/33/50/66MHz
(frequency selectable)
FS0
FS1
VDDL
VDD
AVDD
AVSS
VSS
VSSL
XIN
VDD
1
16
XOUT
2
15
AVDD
FS0
3
14
CLK4
CLK3
4
13
VSS
AVSS
5
12
N/C
VSSL
6
11
VDDL
LCLK1
LCLK2
7
10
8
9
FS1
N/C
CLK4 Frequency Select Options
FS1
FS0
CLK 4
Units
0
0
25
MHz
0
1
33
MHz
1
0
50
MHz
1
1
66
MHz
Cypress Semiconductor Corporation
Document #: 38-07098 Rev. *A
•
3901 North First Street
•
San Jose
•
CA 95134 • 408-943-2600
Revised December 14, 2002
CY26114
Pin Definitions
Name
Pin Number
Description
XIN
1
Reference Crystal Input
VDD
2
Voltage Supply
AVDD
3
Analog Voltage Supply
FS0
4
Frequency Select 0
AVSS
5
Analog Ground
VSSL
6
LCLK Ground
LCLK1
7
100-MHz output clock at VDDL Level
LCLK2
8
100-MHz output clock at VDDL Level
N/C
9
No Connect
FS1
10
Frequency Select 1
VDDL
11
LCLK Voltage Supply (2.5V or 3.3V)
N/C
12
No Connect
VSS
13
Ground
CLK3
14
50-MHz output clock
CLK4
15
25/33/50/66-MHz clock output (frequency selectable)
XOUT
16
Reference Crystal Output
Absolute Maximum Conditions
Parameter
Description
Min.
Max.
Unit
VDD
Supply Voltage
–0.5
7.0
V
VDDL
I/O Supply Voltage
7.0
V
TJ
Junction Temperature
125
°C
Digital Inputs
AVSS – 0.3
AVDD + 0.3
V
Digital Outputs referred to VDD
VSS – 0.3
VDD + 0.3
V
Digital Outputs referred to VDDL
VSS – 0.3
VDDL +0.3
Electro-Static Discharge
2
V
kV
Recommended Operating Conditions
Parameter
Description
Min.
Typ.
VDD
VDDL
Operating Voltage
3.0
Operating Voltage
2.375
TA
Ambient Temperature
0
CLOAD
Max. Load Capacitance
fREF
Reference Frequency
tPU
Power-up time for all VDD's to
reach minimum specified voltage
(power ramps must be
monotonic)
Max.
Unit
3.3
3.6
V
2.5
2.625
V
70
°C
15
pF
25
0.05
MHz
500
ms
Note:
1. Float XOUT if XIN is externally driven.
Document #: 38-07098 Rev. *A
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CY26114
DC Electrical Characteristics
Parameter[2]
Name
Description
Min.
Typ.
Max.
Unit
IOH
Output High Current
VOH = VDD – 0.5, VDD/VDDL = 3.3V
12
24
mA
IOL
Output Low Current
VOL = 0.5, VDD/VDDL = 3.3V
12
24
mA
IOH
Output High Current
VOH = VDDL – 0.5, VDDL=2.5V
8
16
mA
IOL
Output Low Current
VOL = 0.5, VDDL = 2.5V
8
16
mA
VIH
Input High Voltage
CMOS levels, 70% of VDD
VIL
Input Low Voltage
CMOS levels, 30% of VDD
0.7
VDD
IVDD
Supply Current
AVDD/VDD Current
25
mA
IVDDL
Supply Current
VDDL Current (VDDL = 3.6V)
20
mA
IVDDL
Supply Current
VDDL Current (VDDL = 2.625V)
15
mA
0.3
VDD
AC Electrical Characteristics
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
%
t3
Rising Edge Rate
Output Clock Rise Time, 20% – 80% of
VDD/VDDL = 3.3V
0.8
1.4
V/ns
t3
Rising Edge Rate
Output Clock Rise Time, 20% – 80% of
VDDL = 2.5V
0.6
1.2
V/ns
t4
Falling Edge Rate
Output Clock Fall Time, 80% – 20% of
VDD/VDDL = 3.3V
0.8
1.4
V/ns
t4
Falling Edge Rate
Output Clock Fall Time, 80% – 20% of
VDDL = 2.5V
0.6
1.2
V/ns
t5
Skew
Delay between related outputs at rising edge
250
t9
Clock Jitter
Peak to Peak period jitter
200
ps
t10
PLL Lock Time
3
ms
ps
t1
t2
CLK
50%
50%
Figure 1. Duty Cycle Definitions: DC = t2/t1.
t3
t4
80%
CLK
20%
Figure 2. Rise Time and Fall Time Definitions.
Note:
2. Not 100% tested.
Document #: 38-07098 Rev. *A
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CY26114
Test Circuit
VDD
CLK out
0.1 µF
OUTPUTS
CLOAD
AVDD
0.1 µF
GND
Ordering Information
Ordering Code
Package Name
Package Type
Operating Range
Operating Voltage
CY26114ZC
Z16
16-Pin TSSOP
Commercial
3.3V
Document #: 38-07098 Rev. *A
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© Cypress Semiconductor Corporation, 2001. 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.
CY26114
Document Title: CY26114 One-PLL Clock Generator
Document Number: 38-07098
REV.
ECN NO.
Issue Date
Orig. of Change
Description of Change
**
107333
08/28/01
CKN
New Data Sheet
*A
121867
12/14/02
RBI
Power up requirements added to Operating Conditions Information
Document #: 38-07098 Rev. *A
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