FS6370-01 American Microsystems, Inc., FS6370-01 Datasheet
FS6370-01
Manufacturer Part Number
FS6370-01
Description
EePROM Programmable 3-pll Clock Generator ic
Manufacturer
American Microsystems, Inc.
Datasheet
1.FS6370-01.pdf
(25 pages)
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1.0
Figure 2: Block Diagram
I
its products.
2
C is a licensed trademark of Philips Electronics, N.V. American Microsystems, Inc., reserves the right to change the detail specifications as may be required to permit improvements in the design of
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
ROM-based device available for cost reduction mi-
gration path – contact your AMI sales representative
for more information
2
C
ä
Features
-bus serial interface
SEL_CD
OE/SDA
PD/SCL
MODE
XOUT
XIN
Power Down
Reference
EEPROM
Oscillator
Interface
I
Control
2
C-bus
PLL A
PLL B
PLL C
EEPROM Programmable 3-PLL Clock Generator IC
EEPROM Programmable 3-PLL Clock Generator IC
EEPROM Programmable 3-PLL Clock Generator IC
EEPROM Programmable 3-PLL Clock Generator IC
2.0
The FS6370 is a CMOS clock generator IC designed to
minimize cost and component count in a variety of elec-
tronic 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 pro-
gramming of devices for end user requirements.
Figure 1: Pin Configuration
Description
SEL_CD
OE/SDA
PD/SCL
Mux A
Mux B
Mux C
Mux D
XOUT
VDD
VSS
VSS
XIN
16-pin (0.150”) SOIC
1
2
3
4
5
6
7
8
Divider A
Divider B
Divider C
Divider D
Post
Post
Post
Post
FS6370
FS6370-01
FS6370-01
FS6370-01
FS6370-01
16
15
14
13
12
11
10
9
VDD
CLK_A
VDD
CLK_B
CLK_C
VSS
CLK_D
MODE
CLK_A
CLK_B
CLK_C
CLK_D
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