FS6377-01
FS6377-01 is Programmable 3-PLL Clock Generator manufactured by onsemi.
Features
- Three on-chip PLLs with programmable reference and feedback dividers
- Four independently programmable muxes and post dividers
- I2C™-bus serial interface
- Programmable power-down of all PLLs and output clock drivers
Data Sheet
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- One PLL and two mux/post-divider binations can be modified by SEL_CD input
- Tristate outputs for board testing
- 5V to 3.3V operation
- Accepts 5MHz to 27MHz crystal resonators
- mercial (FS6377-01) and industrial (FS6377-01i) temperature ranges
2.0 Description
The FS6377 is a CMOS clock generator IC designed to minimize cost and ponent count in a variety of electronic systems. Three I2C-programmable phaselocked loops feeding four programmable muxes and post dividers provide a high degree of flexibility.
SDA SEL_CD PD VSS XIN XOUT OE VDD
1 2 3
16 15 14
SCL CLK_A VDD CLK_B CLK_C VSS CLK_D ADDR
FS6377
4 5 6 7 8
13 12 11 10 9
16-pin (0.150") SOIC
Figure 1: Pin Configuration
XIN XOUT
Reference Oscillator PLL A
Mux A
Post Divider A
CLK_A
Power Down Control PLL B
Mux B
Post Divider B
CLK_B
SCL SDA ADDR
I2C-bus Interface PLL C Mux C Post Divider C CLK_C
SEL_CD Mux D Post Divider D CLK_D
FS6377
Figure 2: Block Diagram
AMI Semiconductor...
