CY29976_08 Datasheet, PDF (1/9 Pages) Cypress Semiconductor – 3.3V, 125-MHz, Multi-Output Zero Delay Buffer

CY29976
3.3V, 125-MHz, Multi-Output Zero Delay Buffer
Features
■ Output frequency up to 125 MHz
■ Supports PowerPC^®, and Pentium^® processors
■ 12 clock outputs: frequency configurable
■ Configurable Output Disable
■ Two reference clock inputs for dynamic toggling
■ Oscillator or PECL reference input
Table 1. Frequency Table^[1]
VC0_SEL
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
FB_SEL2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
■ Spread spectrum compatible
■ Glitch-free output clocks transitioning
■ 3.3V power supply
■ Pin compatible with SC973X
■ Industrial temperature range: –40°C to +85°C
■ 52-Pin TQFP package
FB_SEL1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
FB_SEL0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
F_VCO
8x
12x
16x
20x
8x
12x
16x
20x
4x
6x
8x
10x
4x
6x
8x
10x
Note
1. x = the reference input frequency, 200MHz < F_VCO < 480MHz.
Cypress Semiconductor Corporation • 198 Champion Court
Document #: 38-07413 Rev. *B
• San Jose, CA 95134-1709 • 408-943-2600
Revised September 09, 2008
[+] Feedback