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Part: CY24119-SCT
Category:
Timing Circuits
Description: 27 MHZ With Vcxo
Company: Cypress Semiconductor Corp.
Datasheet: Download CY24119-SCT datasheet File size : 207 kB
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Datasheet text preview:
PRELIMINARY
CY24119
MediaClockTM 27-MHz VCXO Clock Generator
Features · Low-jitter, high-accuracy output · VCXO with analog adjust · 3.3V operation Part Number CY24119 Outputs 1 Input Frequency Range 27-MHz pullable crystal per Cypress Specification Output Frequencies One copy of 27 MHz (3.3V) Benefits Meets critical timing requirements in complex system designs Large ± 150 ppm range, better linearity
Logic Block Diagram
27 XIN O SC XOUT 27 MHz
Pin Configuration
CY24119 8-pin SOIC
XIN AVDD VCXO AVSS 1 2 3 4 8 7 6 5 XOUT VSS 27 MHz VDD
VCXO
AVDD VDD
AVSS
VSS
Cypress Semiconductor Corporation Document #: 38-07200 Rev. *A
·
3901 North First Street
·
San Jose
·
CA 95134 · 408-943-2600 Revised December 14, 2002
PRELIMINARY
Pin Summary
Name AVDD VDD AVSS VSS XIN VCXO XOUT 27 MHz Pin Number 2 5 4 7 1 3 8 6 Description Analog Voltage Supply Output Voltage Supply Analog Ground Output Ground Reference Crystal Input Analog Control for VCXO Reference Crystal Output 27-MHz Clock Output
CY24119
Absolute Maximum Conditions
Parameter VDD TS TJ Description Supply Voltage Storage Temperature
[1]
Min. 0.5 65 2
Max. 7.0 125 125
Unit V °C °C kV
Junction Temperature Electrostatic Discharge
Recommended Operating Conditions
Parameter VDD, AVDD TA CLOAD fREF tPU Description Operating Voltage Ambient Temperature Max Load Capacitance Reference Frequency Power-up time for all VDD's to reach minimum specified voltage (power ramps must be monotonic) 10 0.05 27 Min. 3.14 0 Typ. 3.3 Max. 3.47 70 15 30 500 Unit V °C pF MHz ms
DC Electrical Characteristics
Parameter IOH IOL CIN IIZ Name Output HIGH Current Output LOW Current Input Capacitance Input Leakage Current VCXO Pullability Range VCXO Input Range VCXO Input Bandwidth Supply Current Sum of Core and Output Current 150 0 DC to 200 13 5 +150 AVDD Description VOH = VDD 0.5, VDD = 3.3V (source) VOL = 0.5, VDD = 3.3V (sink) Min. 12 12 Typ. 24 24 7 Max. Unit mA mA pF µA ppm V k Hz mA
fxo
VVCXO fVBW IDD
Pullable Crystal Specifications
Parameter CRload C0/C1 ESR To Crystal Accuracy TTs Equivalent Series Resistance Operating Temperature Crystal Accuracy Stability over Temperature and Aging +20 0 35 Name Crystal Load Capacitance Min. 13 240 50 70 +20 +50 °C ppm ppm Typ. Max. pF Unit
Document #: 38-07200 Rev. *A
Page 2 of 6
PRELIMINARY
Pullable Crystal Specifications
Parameter
Notes: 1. Rated for 10 years.
CY24119
Typ. Max. Unit
Name
Min.
Document #: 38-07200 Rev. *A
Page 3 of 6
PRELIMINARY
AC Electrical Characteristics (VDD = 3.3V)
Parameter[2] DC t3 t4 t9 Name Output Duty Cycle Rising Edge Slew Rate Falling Edge Slew Rate Clock Jitter Description Duty Cycle is defined in Figure 1, 50% of VDD Output Clock Rise Time, 20% 80% of VDD Output Clock Fall Time, 80% 20% of VDD Peak-to-Peak Period Jitter Min. 45 0.8 0.8 Typ. 50 1.4 1.4
CY24119
Max. 55
Unit % V/ns V/ns
100
ps
t1 t2 27 MHz 50% 27 MHz
t3 80% 20%
t4
Figure 1. Duty Cycle Definition; DC = t2/t1
Figure 2. Rise and Fall Time Definitions
AVDD 0.1 µF OUTPUTS
CLK out CLOAD
VDD 0.1 µF GND Test Circuit
Ordering Information
Ordering Code CY24119-SC CY24119-SCT
Note: 2. Not 100% tested.
Package Name S8 S8
Package Type 8-pin SOIC 8-pin SOIC Tape and Reel
Operating Range Commercial Commercial
Operating Voltage 3.3V 3.3V
Document #: 38-07200 Rev. *A
Page 4 of 6
PRELIMINARY
Package Diagram
8-lead (150-mil) SOIC S8
CY24119
51-85066-A
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. *A
Page 5 of 6
© Cypress Semiconductor Corporation, 2002. 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.
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