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
Configurable 5V or 3.3V operation
8-pin or 14-pin SOIC packages
Provides clocking requirements from a single device
Meets critical industry standard timing requirements
Supports low-power applications
Up to 16 user-selectable frequencies
Supports industry-standard design platforms
Industry-standard packaging saves on board space
Selector Guide
Part Number
CY2907
CY2907I
CY2907F8
CY2907F14
CY2907F8I
CY2907F14I
Outputs
2
2
2
2
Input Frequency Range
10 MHz鈥?5 MHz (external crystal)
1 MHz鈥?0 MHz (reference clock)
10 MHz鈥?5 MHz (external crystal)
1 MHz鈥?0 MHz (reference clock)
10 MHz鈥?5 MHz (external crystal)
1 MHz鈥?0 MHz (reference clock)
10 MHz鈥?5 MHz (external crystal)
1 MHz鈥?0 MHz (reference clock)
Output Frequency Range
500 kHz鈥?30 MHz (5V)
500 kHz鈥?00 MHz (3.3V)
500 kHz鈥?00 MHz (5V)
500 kHz鈥?0 MHz (3.3V)
500 kHz鈥?00 MHz (5V)
500 kHz鈥?0 MHz (3.3V)
500 kHz鈥?0 MHz (5V)
500 kHz鈥?6.66 MHz (3.3V)
Specifics
Factory Programmable
Commercial Temperature
Factory Programmable
Industrial Temperature
Field Programmable
Commercial Temperature
Field Programmable
Industrial Temperature
Logic Block Diagram
OEA
OER
Pin Configurations
Top View
14-Pin SOIC
S1
1
2
3
4
5
6
7
14
13
12
11
10
9
8
S0
REFCLK
V
DD
CLKA
OEA
OER
XTALOUT
PD
XTALIN
OSC.
XTALOUT
EPROM
Table
Configuration
EPROM
and Test Logic
PLL
Output
Multiplexer
and
Dividers
REFCLK
S2
S3
V
SS
CLKA
V
SS
PD
XTALIN
8-Pin SOIC
S0
V
SS
XTALIN
XTALOUT
1
2
3
4
8
7
6
5
REFCLK
V
DD
CLKA
S1
S0
S1
S2
S3
CyClocks is a trademark of Cypress Semiconductor Corporation.
Cypress Semiconductor Corporation
Document #: 38-07137 Rev. **
鈥?/div>
3901 North First Street
鈥?/div>
San Jose
鈥?/div>
CA 95134 鈥?408-943-2600
Revised September 26, 2001
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