CY2907
Single-PLL General-Purpose
EPROM Programmable Clock Generator
Features
Single phase-locked loop architecture
EPROM programmability
Benefits
Generates a custom frequency from an external source
Easy customization and fast turnaround
Factory-programmable (CY2907, CY2907I) or field-pro- Programming support available for all opportunities
grammable (CY2907F & CY2907FI) device options
Up to two configurable outputs
Low-skew, low-jitter, high-accuracy outputs
Power management (Power-Down, OE)
Frequency select option
Provides clocking requirements from a single device
Meets critical industry standard timing requirements
Supports low-power applications
Up to 16 user-selectable frequencies
Configurable 5V or 3.3V operation
8-pin or 14-pin SOIC packages
Supports industry-standard design platforms
Industry-standard packaging saves on board space
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)
1 MHz–30 MHz (reference clock)
Factory Programmable
Commercial Temperature
500 kHz–100 MHz (3.3V)
CY2907I
10 MHz–25 MHz (external crystal) 500 kHz–100 MHz (5V)
Factory Programmable
Industrial Temperature
500 kHz–80 MHz (3.3V)
10 MHz–25 MHz (external crystal) 500 kHz–100 MHz (5V)
1 MHz–30 MHz (reference clock)
CY2907F8
CY2907F14
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
CyClocks is a trademark of Cypress Semiconductor Corporation.
Cypress Semiconductor Corporation
•
3901 North First Street
•
San Jose
•
CA 95134
•
408-943-2600
Document #: 38-07137 Rev. **
Revised September 26, 2001