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Cypress Semiconductor Electronic Components Datasheet



CY22M1

Low Power Programmable Clock Generator



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CY22M1 pdf
PRELIMINARY
MoBL® UniClock CY22M1
Single Output, Low Power Programmable Clock
Generator for Portable Applications
Features
Small Footprint, 8-Pin QFN 1.7 x 1.7 x 0.6 mm3 Package
Low Power and Low Jitter Operation
Multiple Operating Voltages:
CY22M1S: 2.5V, 3.0V, or 3.3V
CY22M1L: 1.8V
Programmable Single Output Clock Generator Frequency
Range:
1 to 80 MHz
Crystal or External Reference Clock Input Frequency Range:
Fundamental Tuned Crystal: 8 to 48 MHz
External Reference Clock: 1 to 80 MHz
Programmable Capacitor Tuning Array
Programmable PD# or OE Control Pin
Programmable Asynchronous or Synchronous OE and PD#
Modes
Programmable Output Buffer Drive Strength
Benefits
Services handsets, portable media players, personal
navigation devices, digital cameras, digital camcorders, and
other portable applications.
Saves PCB space due to small form factor.
Enables quick turnaround as well as flexibility and adaptability
to design changes through programmability.
Enables synthesis of highly accurate and stable output clock
frequencies with zero or low PPM error.
Enables fine tuning of output clock frequency by adjusting the
crystal load CLoad using programmable internal capacitors.
Lowers clock solution cost by pairing a high frequency PLL
programmability with a low cost, low frequency crystal.
Enables low power during the power down or output disable
function.
Provides flexibility for system applications through selectable
asynchronous or synchronous output enable and disable.
Logic Block Diagram
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-49075 Rev. *C
www.DataSheet.in
• San Jose, CA 95134-1709 • 408-943-2600
Revised August 20, 2009
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CY22M1 pdf
PRELIMINARY
MoBL® UniClock CY22M1
Pin Description
Figure 1. Package Pinout Drawing: CY22M1 8-Pin 1.7 x 1.7 mm2 QFN
XOUT 1
XIN/CLKIN 2
87
CY22M1
8-Pin QFN
34
6 CLKOUT
5 NC
Table 1. Pin Definition: CY22M1 8-Pin 1.7 x 1.7 mm2 QFN
Pin Number
1
2
3
Name
XOUT
XIN/CLKIN
PD#/OE
4 GND
5 NC
6 CLKOUT
7 NC
8 VDD
IO
Output
Input
Input
Power
Output
Power
Description
Crystal output. Float for external clock input.
Crystal or external clock input.
Multifunction pin. Active low power down or active high output enable pin. Has weak
internal pull up.
Power supply ground.
No connect. Pin has no internal connection.
Programmable clock output. Output voltage depends on VDD. Has weak internal
pull down.
No connect. Pin has no internal connection.
Programmable power supply:
CY22M1S: 2.5V, 3.0V, 3.3V (standard voltage)
CY22M1L: 1.8V (low voltage)
Document Number: 001-49075 Rev. *C
www.DataSheet.in
Page 2 of 12
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Part Number CY22M1
Description Low Power Programmable Clock Generator
Maker Cypress Semiconductor - Cypress Semiconductor
Total Page 12 Pages
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