fs6370 AMI Semiconductor, Inc., fs6370 Datasheet

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fs6370

Manufacturer Part Number
fs6370
Description
Fs6370-01g Eeprom Programmable 3-pll Clock Generator Ic
Manufacturer
AMI Semiconductor, Inc.
Datasheet

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F F S S 6 6 3 3 7 7 0 0 - - 0 0 1 1 / / F F S S 6 6 3 3 7 7 0 0 - - 0 0 1 1 g g E E E E P P R R O O M M P P r r o o g g r r a a m m m m a a b b l l e e 3 3 - - P P L L L L C C l l o o c c k k G G e e n n e e r r a a t t o o r r I I C C
A A M M I I S S e e m m i i c c o o n n d d u u c c t t o o r r - - R R e e v v . . 2 2 . . 0 0 , , M M a a r r . . 0 0 5 5
1.0 Features
• Just-in-time customization of clock frequencies via internal non-volatile 128-bit serial EEPROM
• I
• Three on-chip PLLs with programmable reference and feedback dividers
• Four independently programmable muxes and post dividers
• Programmable power-down of all PLLs and output clock drivers
• Tristate outputs for board testing
• One PLL and two mux/post-divider combinations can be modified via SEL_CD input
• 5V to 3.3V operation
• Accepts 5MHz to 27MHz crystal resonators
2.0 Description
The FS6370 is a CMOS clock generator IC designed to minimize cost and component count in a variety of electronic systems. Three EEPROM-
programmable phase-locked loops (PLLs) driving four programmable muxes and post dividers provide a high degree of flexibility.
An internal EEPROM permits just-in-time factory programming of devices for end user requirements.
2
C™-bus serial interface
SEL_CD
OE/SDA
PD/SCL
XOUT
VDD
VSS
VSS
XIN
Figure 1: Pin Configuration
1
2
3
4
5
6
7
8
1
16
15
14
13
12
11
10
9
VDD
CLK_A
VDD
CLK_B
CLK_C
VSS
CLK_D
MODE
Data Sheet

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