CY3670
CY3670 is Single-PLL General-Purpose EPROM Programmable Clock Generator manufactured by Cypress.
Features
Single phase-locked loop architecture EPROM programmability Benefits Generates a custom frequency from an external source Easy customization and fast turnaround
Factory-programmable (CY2071A, CY2071AI) or field- Programming support available for all opportunities programmable (CY2071AF, CY2071AFI) device options Up to three configurable outputs Low-skew, low-jitter, high-accuracy outputs Internal loop filter Power management (OE) Frequency select options Configurable 5V or 3.3V operation 8-pin 150-mil SOIC package i
Generates three related frequencies from a single device Meets critical industry standard timing requirements Alleviates the need for external ponents Supports low-power applications 3 outputs with 2 user selectable frequencies Supports industry standard design platforms Industry-standard packaging saves on board space
Selector Guide
Part Number CY2071A CY2071AI CY2071AF CY2071AFI Outputs 3 3 3 3 Input Frequency Range 10 MHz- 25 MHz (external crystal) 1 MHz- 30 MHz (reference clock) 10 MHz- 25 MHz (external crystal) 1 MHz- 30 MHz (reference clock) 10 MHz- 25 MHz (external crystal) 1 MHz- 30 MHz (reference clock) 10 MHz- 25 MHz (external crystal) 1 MHz- 30 MHz (reference clock) Output Frequency Range 500 k Hz- 130 MHz (5V) 500 k Hz- 100 MHz (3.3V) 500 k Hz- 100 MHz (5V) 500 k Hz- 80 MHz (3.3V) 500 k Hz- 100 MHz (5V) 500 k Hz- 80 MHz (3.3V) 500 k Hz- 90 MHz (5V) 500 k Hz- 66.6 MHz (3.3V) Specifics Factory Programmable mercial Temperature Factory Programmable Industrial Temperature Field Programmable mercial Temperature Field Programmable Industrial Temperature
Logic Block Diagram for CY2071A
XTALIN XTALOUT PLL Block REFERENCE OSCILLATOR CLKA EPROMConfigurable Multiplexer and Divide Logic
CLKB
CLKC
OE / FS
Pin Configuration
8-pin SOIC Top View
CLKA GND XTALIN XTALOUT 1 2 3 4 8 7 6 5 OE/FS VDD CLKC CLKB
Cypress Semiconductor Corporation Document #: 38-07139 Rev.
- A
- 3901 North First Street
- San Jose
- CA 95134
- 408-943-2600 Revised December 14,...