19.6608-MHz Clock Generator
CY26118
PRELIMINARY
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
408-943-2600
Document #: 38-07274 Rev. *A
Revised December 14, 2001
025/0251
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
3.3V operation
Part Number
Outputs
Input Frequency Range
Output Frequencies
CY26118
1
15.0000 MHz
19.6608 MHz
Logic Block Diagram
Pin Configuration
15.0000 XIN
XOUT
19.6608 MHz
OUTPUT
DIVIDER
PLL
OSC
Q
P
VCO
VDD
AVSS
AVDD
VSS
8-pin SOIC
CY26118
1
2
3
4
XOUT
XIN
N/C
19.6608 MHz
AVSS
VSS
VDD
5
6
7
8
AVDD
CY26118
PRELIMINARY
Document #: 38-07274 Rev. *A
Page 2 of 5
Recommended
Operating Conditions
DC
Electrical Characteristics
Pin Summary
Name
Pin Number
Description
X
IN
1
15.000 MHz Reference Crystal Input
A
VDD
2
Analog Voltage Supply
N/C
3
No Connect
AV
SS
4
Analog Ground
V
DD
5
Output Voltage Supply
19.6608 MHz
6
19.6608-MHz clock output
V
SS
7
Output Ground
X
OUT
[1]
8
Reference Crystal Output
Absolute Maximum Conditions
Parameter
Description
Min.
Max.
Unit
V
DD
Supply Voltage
0.5
7.0
V
T
S
Storage Temperature
[2]
65
125
C
T
J
Junction Temperature
125
C
Digital Inputs
V
SS
0.3
V
DD
+ 0.3
V
Digital Outputs referred to V
DD
V
SS
0.3
V
DD
+ 0.3
V
Electro-Static Discharge
2000
V
Parameter
Description
Min.
Typ.
Max.
Unit
V
DD
Operating Voltage
3.0
3.3
3.6
V
T
A
Ambient Temperature
0
70
C
C
LOAD
Max Load Capacitance
15
pF
P
max
Max Output Power Dissipation,
8-pin package
150
C/W
f
REF
Reference Frequency
15.000
MHz
t
PU
Power-up time for all VDD's to
reach minimum specified voltage
(power ramps must be monotonic)
0.05
500
ms
Parameter
Name
Description
Min.
Typ.
Max.
Unit
I
OH
Output High Current
V
OH
= V
DD
0.5, V
DD
= 3.3V
12
24
mA
I
OL
Output Low Current
V
OL
= 0.5, V
DD
= 3.3V
12
24
mA
C
IN
Input Capacitance
7
pF
I
IZ
Input Leakage Current
5
mA
I
DD
Supply Current
Sum of Core and Output Current
20
mA
Notes:
1.
Float XOUT if XIN is externally driven.
2.
Rated for 10 years.
CY26118
PRELIMINARY
Document #: 38-07274 Rev. *A
Page 3 of 5
AC Electrical
Characteristics
(V
DD
= 3.3V)
Figure 1. Duty Cycle Definition; DC = t
2
/t
1
Figure 2. Rise and Fall Time Definitions
Parameter
[3]
Name
Description
Min.
Typ.
Max.
Unit
DC
Output Duty Cycle
Duty Cycle is defined in Figure 1 50% of V
DD
45
50
55
%
t
3
Rising Edge Slew Rate
Output Clock Rise Time 20% - 80% of V
DD
0.8
1.8
V/ns
t
4
Falling Edge Slew Rate
Output Clock Fall Time 80% to 20% of V
DD
0.8
1.8
V/ns
t
9
Clock Jitter
Peak-to-Peak period jitter
200
ps
t
10
PLL Lock Time
3
ms
Note:
3.
Not 100% tested.
t
1
t
2
19.6608 MHz
50%
t
3
19.6608 MHz
80%
20%
t
4
Test Circuit
Ordering Information
Ordering Code
Package Name
Package Type
Operating Range
Operating Voltage
CY26118SC
S8
8-Pin SOIC
Commercial
3.3V
0.1
F
AV
DD
0.1
F
V
DD
CLK out
C
LOAD
GND
OUTPUTS
CY26118
PRELIMINARY
Document #: 38-07274 Rev. *A
Page 4 of 5
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.
Pin Diagrams
8-Lead (150-Mil) SOIC S8
CY26118
PRELIMINARY
Document #: 38-07274 Rev. *A
Page 5 of 5
Document Title: CY26118 19.6608-MHz Clock Generator
Document Number: 38-07274
REV.
ECN NO.
Issue
Date
Orig. of
Change
Description of Change
**
110764
02/06/02
CKN
New Data Sheet
*A
121883
12/14/02
RBI
Power up requirements added to Operating Conditions Information
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