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SM8760CA Datasheet(PDF) 1 Page - Nippon Precision Circuits Inc

Part No. SM8760CA
Description  Spread Spectrum Clock Generator
Download  8 Pages
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Maker  NPC [Nippon Precision Circuits Inc]
Homepage  http://www.npc.co.jp/en
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SM8760CA Datasheet(HTML) 1 Page - Nippon Precision Circuits Inc

   
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SM8760CA
SEIKO NPC CORPORATION —1
Spread Spectrum Clock Generator
OVERVIEW
The SM8760CA is a compact clock generator IC with 4-times multiplication clock signal output that has a
spread spectrum (SS) function to reduce undesirable EMI radiation. The SM8760CA has built-in crystal oscil-
lator circuit, PLL, and loop filter. It accepts an input clock signal, generated using an external crystal or direct
external clock input, and outputs 1 SS-modulated 4-times multiplication clock signal and 1 unmodulated refer-
ence signal. In addition, the SM8760CA features control pins to select SS modulation function ON/OFF and
power-down modes.
FEATURES
I
Spread spectrum clock output to reduce EMI
I
Modulation rate: Center spread:
± 1.0%
I
Input frequency
• Using crystal element connection: 12.75MHz
(fundamental frequency)
• Using external input clock: 12.75MHz
I
Multiplication: 4-time multiplication
I
Operating supply voltage: 3.3
± 0.3V
I
Low jitter: 350ps typ (Cycle-to-Cycle)
I
Functions: Power-down function, SS modulation
ON/OFF
I
Mode control pins: Pull-up resistors built-in
I
Package: 8-pin VSOP
APPLICATIONS
I
Printer (laser/inkjet)
I
Photocopiers, scanners
I
LCD/PDP displays
I
Projectors
I
Miscellaneous electronic equipment
ORDERING INFORMATION
PINOUT
(Top view)
PACKAGE DIMENSIONS
(Unit: mm)
Device
Package
SM8760CAV
8-pin VSOP
XT
VDD
CLKOUT
VSS
REFOUT
XTN
PDN
ENS
1
4
8
5
0.575TYP
3.1 ± 0.3
0.10
0.22 ± 0.1
0.12
0.15 −
0.05
+ 0.1
0.65
M
0 to 10 °


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