CYPRESS CY24119SCT

CY7C09079V/89V/99V
CY7C09179V/89V/99V
CY24119
PRELIMINARY
MediaClock™ 27-MHz VCXO Clock Generator
Features
Benefits
• Low-jitter, high-accuracy output
• Meets critical timing requirements in complex system designs
• VCXO with analog adjust
• Large ± 150 ppm range, better linearity
• 3.3V operation
Part Number
Outputs
Input Frequency Range
Output Frequencies
CY24119
1
27-MHz pullable crystal per Cypress specification
One copy of 27-MHz (3.3V) positive
slope VCXO curve
CY24119-1
1
27-MHz pullable crystal per Cypress specification
One copy of 27-MHz (3.3V) negative
slope VCXO curve
Pin Configuration
Logic Block Diagram
CY24119,-1
8-pin SOIC
27 XIN
XOUT
OSC
27 MHz
VCXO
AVDD VDD
AVSS
XIN
1
8
XOUT
AVDD
VCXO
2
7
3
6
AVSS
4
5
VSS
27 MHz
VDD
VSS
Cypress Semiconductor Corporation
Document #: 38-07200 Rev. *B
•
3901 North First Street
•
San Jose, CA 95134
•
408-943-2600
Revised October 8, 2003
PRELIMINARY
CY24119
Pin Summary
Name
Pin Number
Description
AVDD
2
Analog Voltage Supply
VDD
5
Output Voltage Supply
AVSS
4
Analog Ground
VSS
7
Output Ground
XIN
1
Reference Crystal Input
VCXO
3
Analog Control for VCXO
XOUT
8
Reference Crystal Output
27 MHz
6
27-MHz Clock Output
Absolute Maximum Conditions
Parameter
VDD
Description
Supply Voltage
Temperature[1]
TS
Storage
TJ
Junction Temperature
Min.
Max.
Unit
–0.5
7.0
V
–65
Electrostatic Discharge
125
°C
125
°C
2
kV
Recommended Operating Conditions
Parameter
Description
VDD, AVDD
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
10
70
°C
15
pF
30
MHz
500
ms
27
0.05
DC Electrical Characteristics
Description
Min.
Typ.
IOH
Parameter
Output HIGH Current
Name
VOH = VDD – 0.5, VDD = 3.3V (source)
12
24
IOL
Output LOW Current
VOL = 0.5, VDD = 3.3V (sink)
12
24
CIN
Input Capacitance
IIZ
Input Leakage Current
f∆xo
VCXO Pullability Range
VVCXO
VCXO Input Range
fVBW
VCXO Input Bandwidth
IDD
Supply Current
Max.
Unit
mA
mA
7
pF
+150
ppm
µA
5
–150
0
AVDD
V
DC to 200
Sum of Core and Output Current
kHz
13
mA
Pullable Crystal Specifications
Parameter
Description
FNOM
Nominal crystal frequency
CLNOM
Nominal load capacitance
R1
Equivalent series resistance (ESR)
Condition
Parallel resonance, fundamental mode, AT cut
Min.
Typ.
Max.
27
MHz
14
Fundamental mode
Unit
pF
25
Ω
Note:
1. Not 100% tested.
Document #: 38-07200 Rev. *B
Page 2 of 5
PRELIMINARY
CY24119
Pullable Crystal Specifications (continued)
Parameter
Description
Condition
Min.
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
F3SEPLO
Third overtone separation from 3.FNOM
Low side
C0
Crystal shunt capacitance
C0/C1
Ratio of shunt to motional capacitance
180
C1
Crystal motional capacitance
14.4
Typ.
Max.
Unit
0.5
2.0
mW
3
300
ppm
–150
ppm
7
pF
250
18
21.6
pF
Typ.
Max.
Unit
55
AC Electrical Characteristics (VDD = 3.3V)
Parameter[1]
DC
Name
Description
Min.
Output Duty Cycle
Duty Cycle is defined in Figure 1, 50% of VDD
45
50
t3
Rising Edge Slew Rate
Output Clock Rise Time, 20% – 80% of VDD
0.8
1.4
t4
Falling Edge Slew Rate
Output Clock Fall Time, 80% – 20% of VDD
0.8
1.4
t9
Clock Jitter
Peak-to-Peak Period Jitter
V/ns
100
t3
t1
t2
27 MHz
%
V/ns
ps
t4
80%
50%
27 MHz
Figure 1. Duty Cycle Definition; DC = t2/t1
20%
Figure 2. Rise and Fall Time Definitions
AVDD
CLK out
0.1 µF
OUTPUTS
CLOAD
VDD
0.1 µF
GND
Test Circuit
Ordering Information
Ordering Code
Package
Name
Package Type
Operating Range
Operating Voltage
CY24119SC
S8
8-pin SOIC
Commercial
3.3V
CY24119SCT
S8
8-pin SOIC – Tape and Reel
Commercial
3.3V
CY24119SC-1
S8
8-pin SOIC
Commercial
3.3V
CY24119SC-1T
S8
8-pin SOIC – Tape and Reel
Commercial
3.3V
Document #: 38-07200 Rev. *B
Page 3 of 5
CY24119
PRELIMINARY
Package Diagram
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
MediaClock is a trademark of Cypress Semiconductor. All product and company names mentioned in this document may be the
trademarks of their respective holders.
Document #: 38-07200 Rev. *B
Page 4 of 5
© 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.
PRELIMINARY
CY24119
Document History Page
Document Title: CY24119 MediaClock™ 27-MHz VCXO Clock Generator
Document Number: 38-07200
REV.
ECN NO.
Issue Date
Orig. of
Change
Description of Change
**
111551
03/22/02
CKN
New Data Sheet
*A
121877
12/14/02
RBI
Power-up requirements added to Operating Conditions Information
*B
129724
10/09/03
IJA
Added -1 part, updated Crystal Spec Table
Document #: 38-07200 Rev. *B
Page 5 of 5