CY2907
Single-PLL General Purpose EPROM
Programmable Clock Generator
Benefits
Features
• Single phase locked loop (PLL) architecture
• EPROM programmability
• Generates a custom frequency from an external source
• Easy customization and fast turnaround
• Factory-programmable (CY2907, CY2907I) or
• Programming support available for all opportunities
field-programmable (CY2907F, CY2907FI) device options
• Provides clocking requirements from a single device
• Meets critical industry-standard timing requirements
• Supports low-power applications
• Up to two configurable outputs
• Low skew, low jitter, high accuracy outputs
• Power management (power down, OE)
• Frequency select option
• Up to 16 user-selectable frequencies
• Supports industry-standard design platforms
• Industry-standard packaging saves on board space
• Configurable 5V or 3.3V operation
• 8-pin or 14-pin SOIC packages
Selector Guide
Part Number Outputs
Input Frequency Range
Output Frequency Range
Specifics
CY2907
2
2
2
2
10 MHz–25 MHz (external crystal) 500 kHz–130 MHz (5V)
Factory Programmable
Commercial Temperature
500 kHz–100 MHz (3.3V)
10 MHz–25 MHz (external crystal) 500 kHz–100 MHz (5V)
1 MHz–30 MHz (reference clock)
CY2907I
Factory Programmable
Industrial Temperature
500 kHz–80 MHz (3.3V)
1 MHz–30 MHz (reference clock)
CY2907F8
CY2907F14
10 MHz–25 MHz (external crystal) 500 kHz–100 MHz (5V)
Field Programmable
Commercial Temperature
500 kHz–80 MHz (3.3V)
1 MHz–30 MHz (reference clock)
CY2907F8I
CY2907F14I
10 MHz–25 MHz (external crystal) 500 kHz–90 MHz (5V)
Field Programmable
Industrial Temperature
500 kHz–66.66 MHz (3.3V)
1 MHz–30 MHz (reference clock)
Logic Block Diagram
Pin Configurations
Top View
OEA
OER
14-Pin SOIC
14
13
12
11
10
9
S1
S2
S3
S0
1
2
3
4
5
6
7
REFCLK
CLKA
REFCLK
PD
V
DD
Output
Multiplexer
and
Dividers
V
SS
CLKA
XTALIN
OSC.
V
SS
OEA
OER
PLL
PD
XTALOUT
XTALIN
8
XTALOUT
EPROM
Table
Configuration
EPROM
and Test Logic
8-Pin SOIC
S0
S1
S0
REFCLK
1
2
3
4
8
7
6
5
V
SS
V
DD
XTALIN
CLKA
S1
XTALOUT
S2
S3
Cypress Semiconductor Corporation
Document #: 38-07137 Rev. *A
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised May 21, 2007
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